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  • Armstrong 9975001-837 Mechanical Seal Assembly highlighted, item 62 on the Series 4380 drawing
  • Armstrong Series 4380 parts drawing with Mechanical Seal Assembly 9975001-837 highlighted

    • Armstrong Mechanical Seal Assembly 9975001-837 for Series 4380, 4280, 4030

    Call for pricing (416) 236-2338 or email sales@bramhambros.com

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    SKU:
    9975001-837
    Brand:
    Armstrong
    Armstrong Part Number:
    9975001-837
    Part Type:
    Mechanical Seal
    Fits Series 4380 (1):
    4 x 4 x 6W, 1-1/2 x 1-1/2 x 8, 2 x 2 x 8, 3 x 3 x 8, 4 x 4 x 8, 5 x 5 x 8, 6 x 6 x 8W, 8 x 8 x 8, 1-1/2 x 1-1/2 x 10, 2 x 2 x 10, 3 x 3 x 10, 4 x 4 x 10, 6 x 6 x 10, 8 x 8 x 10, 4 x 4 x 11-1/2, 5 x 5 x 11-1/2, 6 x 6 x 11-1/2, 8 x 8 x 11-1/2
    Fits Series 4380 (2):
    3 x 3 x 13, 4 x 4 x 13, 5 x 5 x 13, 5 x 5 x 13H, 6 x 6 x 13, 6 x 6 x 13H, 8 x 8 x 13
    Fits Series 4280 (1):
    4 x 3 x 6W, 1-1/2 x 1 x 8, 3 x 1-1/2 x 8, 3 x 2 x 8, 3 x 2-1/2 x 8, 4 x 3 x 8, 5 x 4 x 8, 6 x 4 x 8W, 8 x 8 x 8, 2 x 1 x 10, 2 x 1-1/2 x 10, 3 x 1-1/2 x 10, 3 x 2 x 10, 3 x 2-1/2 x 10, 4 x 3 x 10, 5 x 4 x 10, 6 x 4 x 10, 6 x 5 x 10
    Fits Series 4280 (2):
    8 x 6 x 10, 4 x 3 x 11-1/2, 5 x 4 x 11-1/2, 6 x 5 x 11-1/2, 8 x 6 x 11-1/2, 3 x 1-1/2 x 13, 3 x 2 x 13, 4 x 3 x 13, 6 x 4 x 13, 6 x 4 x 13H, 6 x 5 x 13, 6 x 5 x 13H, 8 x 6 x 13
    Fits Series 4030 (1):
    4 x 3 x 6, 3 x 1-1/2 x 8, 3 x 2 x 8, 3 x 2-1/2 x 8, 4 x 3 x 8, 5 x 4 x 8W, 6 x 4 x 8W, 6 x 5 x 8, 8 x 8 x 8, 2 x 1 x 10, 2 x 1-1/2 x 10, 3 x 1-1/2 x 10, 3 x 2 x 10, 3 x 2-1/2 x 10, 4 x 3 x 10, 5 x 4 x 10, 6 x 4 x 10, 6 x 5 x 10, 8 x 6 x 10W
    Fits Series 4030 (2):
    4 x 3 x 11-1/2, 5 x 4 x 11-1/2, 6 x 5 x 11-1/2, 8 x 6 x 11-1/2, 3 x 1-1/2 x 13, 3 x 2 x 13, 4 x 3 x 13, 4 x 3 x 13L, 6 x 4 x 13, 6 x 4 x 13H, 6 x 5 x 13, 6 x 5 x 13H, 8 x 6 x 13
    Drawing Item:
    4030: item 62; 4280: item 62; 4380: item 62, 60
    Specification:
    1-5/8" seal; Mechanical seal kit, 1-5/8" - glycol over 30% by weight; Mechanical seal kit, 1-5/8" - rotating unit (62) and stationary seat (60) as one kit - glycol over 30% by weight
    Note:
    * Confirm before ordering - printed inconsistently in Armstrong parts list
    Shipping cost::
    Inquire
    Parts Finder:
    canadianpumpshop.com/armstrong-parts-finder/

    Product Description

    Armstrong Mechanical Seal Assembly – Part No. 9975001-837

    Genuine Armstrong replacement mechanical seal assembly, Armstrong part number 9975001-837, for Series 4380, 4280, 4030 pumps. Shown as item 62 on the Series 4380 drawing (parts list 6043.129 / 6043.130) – highlighted in the pictures above.

    * Please confirm before ordering: this number is printed this way in Armstrong’s Series 4280, 4380 parts list but looks inconsistent. Call us with your pump serial number to confirm.

    • Printed with an extra digit.
    • Printed as 9975001-837 (one more digit than the standard kit number) – confirm before ordering.
    • Not sold separately – order the complete mechanical seal kit (item 62).

    Specification: 1⅝" seal; Mechanical seal kit, 1⅝" – glycol over 30% by weight; Mechanical seal kit, 1⅝" – rotating unit (62) and stationary seat (60) as one kit – glycol over 30% by weight

    Fits these Armstrong pumps

    • Series 4380 (vertical in-line) – pump sizes 4 × 4 × 6W, 1½ × 1½ × 8, 2 × 2 × 8, 3 × 3 × 8, 4 × 4 × 8, 5 × 5 × 8, 6 × 6 × 8W, 8 × 8 × 8, 1½ × 1½ × 10, 2 × 2 × 10, 3 × 3 × 10, 4 × 4 × 10, 6 × 6 × 10, 8 × 8 × 10, 4 × 4 × 11½, 5 × 5 × 11½, 6 × 6 × 11½, 8 × 8 × 11½, 3 × 3 × 13, 4 × 4 × 13, 5 × 5 × 13, 5 × 5 × 13H, 6 × 6 × 13, 6 × 6 × 13H, 8 × 8 × 13
      • Designation: 'M'
      • Motor frames: 254JM, 256JM, 213JP, 215JP, 284JM, 286JM, 324JM, 326JM, 284JP, 286JP, 324JP, 326JP
      • Service: Glycol over 30%
      • Drawing item: 62, 60
    • Series 4280 (close coupled end suction) – pump sizes 4 × 3 × 6W, 1½ × 1 × 8, 3 × 1½ × 8, 3 × 2 × 8, 3 × 2½ × 8, 4 × 3 × 8, 5 × 4 × 8, 6 × 4 × 8W, 8 × 8 × 8, 2 × 1 × 10, 2 × 1½ × 10, 3 × 1½ × 10, 3 × 2 × 10, 3 × 2½ × 10, 4 × 3 × 10, 5 × 4 × 10, 6 × 4 × 10, 6 × 5 × 10, 8 × 6 × 10, 4 × 3 × 11½, 5 × 4 × 11½, 6 × 5 × 11½, 8 × 6 × 11½, 3 × 1½ × 13, 3 × 2 × 13, 4 × 3 × 13, 6 × 4 × 13, 6 × 4 × 13H, 6 × 5 × 13, 6 × 5 × 13H, 8 × 6 × 13
      • Designation: 'M'
      • Motor frames: 254JM, 256JM, 213JP, 215JP, 284JM, 286JM, 324JM, 326JM, 284JP, 286JP, 324JP, 326JP
      • Service: Glycol over 30%
      • Drawing item: 62
    • Series 4030 (base mounted end suction) – pump sizes 4 × 3 × 6, 3 × 1½ × 8, 3 × 2 × 8, 3 × 2½ × 8, 4 × 3 × 8, 5 × 4 × 8W, 6 × 4 × 8W, 6 × 5 × 8, 8 × 8 × 8, 2 × 1 × 10, 2 × 1½ × 10, 3 × 1½ × 10, 3 × 2 × 10, 3 × 2½ × 10, 4 × 3 × 10, 5 × 4 × 10, 6 × 4 × 10, 6 × 5 × 10, 8 × 6 × 10W, 4 × 3 × 11½, 5 × 4 × 11½, 6 × 5 × 11½, 8 × 6 × 11½, 3 × 1½ × 13, 3 × 2 × 13, 4 × 3 × 13, 4 × 3 × 13L, 6 × 4 × 13, 6 × 4 × 13H, 6 × 5 × 13, 6 × 5 × 13H, 8 × 6 × 13
      • Designation: 'M', 'MHD', 'MXHD'
      • Motor frames: 254T, 256T, 284TS, 286TS, 324TS, 326TS, 364TS, 365TS, 213T, 215T, 404TS, 405TS, 284T, 286T, 324T, 326T
      • Service: Glycol over 30%
      • Bearings: Regreaseable bearings, Oil lubricated bearings
      • Drawing item: 62

    Other parts for this pump

    Rebuilding a Series 4380 4 × 4 × 6W? These parts are often replaced at the same time:

    ItemPart
    39Water Slinger
    40Stuffing Box / Adapter
    40Stuffing Box / Adapter
    57Male Connector
    59Flush Line Tubing
    62Mechanical Seal Kit
    62Mechanical Seal Kit
    62Mechanical Seal Kit
    62Mechanical Seal Kit
    70Shaft Sleeve
    71Shaft Sleeve Spacer
    80Impeller
    83Impeller Washer
    84Impeller Lockwasher
    86Impeller Capscrew
    90Case Wear Ring
    100Casing
    100Casing
    101Casing Gasket
    102Casing Gauge Plug
    103Casing Capscrew Washer
    104Casing Capscrew

    Not sure this is the right part?

    Use our Armstrong Pump Parts Finder: choose Series 4380, your pump size and motor to see every part on the drawing. Or send us your pump’s nameplate details – call (416) 236-2338 or email sales@bramhambros.com. Bramham Bros is an authorized Armstrong dealer.

    Product Videos

    Custom Field

    Brand Armstrong
    Armstrong Part Number 9975001-837
    Part Type Mechanical Seal
    Fits Series 4380 (1) 4 x 4 x 6W, 1-1/2 x 1-1/2 x 8, 2 x 2 x 8, 3 x 3 x 8, 4 x 4 x 8, 5 x 5 x 8, 6 x 6 x 8W, 8 x 8 x 8, 1-1/2 x 1-1/2 x 10, 2 x 2 x 10, 3 x 3 x 10, 4 x 4 x 10, 6 x 6 x 10, 8 x 8 x 10, 4 x 4 x 11-1/2, 5 x 5 x 11-1/2, 6 x 6 x 11-1/2, 8 x 8 x 11-1/2
    Fits Series 4380 (2) 3 x 3 x 13, 4 x 4 x 13, 5 x 5 x 13, 5 x 5 x 13H, 6 x 6 x 13, 6 x 6 x 13H, 8 x 8 x 13
    Fits Series 4280 (1) 4 x 3 x 6W, 1-1/2 x 1 x 8, 3 x 1-1/2 x 8, 3 x 2 x 8, 3 x 2-1/2 x 8, 4 x 3 x 8, 5 x 4 x 8, 6 x 4 x 8W, 8 x 8 x 8, 2 x 1 x 10, 2 x 1-1/2 x 10, 3 x 1-1/2 x 10, 3 x 2 x 10, 3 x 2-1/2 x 10, 4 x 3 x 10, 5 x 4 x 10, 6 x 4 x 10, 6 x 5 x 10
    Fits Series 4280 (2) 8 x 6 x 10, 4 x 3 x 11-1/2, 5 x 4 x 11-1/2, 6 x 5 x 11-1/2, 8 x 6 x 11-1/2, 3 x 1-1/2 x 13, 3 x 2 x 13, 4 x 3 x 13, 6 x 4 x 13, 6 x 4 x 13H, 6 x 5 x 13, 6 x 5 x 13H, 8 x 6 x 13
    Fits Series 4030 (1) 4 x 3 x 6, 3 x 1-1/2 x 8, 3 x 2 x 8, 3 x 2-1/2 x 8, 4 x 3 x 8, 5 x 4 x 8W, 6 x 4 x 8W, 6 x 5 x 8, 8 x 8 x 8, 2 x 1 x 10, 2 x 1-1/2 x 10, 3 x 1-1/2 x 10, 3 x 2 x 10, 3 x 2-1/2 x 10, 4 x 3 x 10, 5 x 4 x 10, 6 x 4 x 10, 6 x 5 x 10, 8 x 6 x 10W
    Fits Series 4030 (2) 4 x 3 x 11-1/2, 5 x 4 x 11-1/2, 6 x 5 x 11-1/2, 8 x 6 x 11-1/2, 3 x 1-1/2 x 13, 3 x 2 x 13, 4 x 3 x 13, 4 x 3 x 13L, 6 x 4 x 13, 6 x 4 x 13H, 6 x 5 x 13, 6 x 5 x 13H, 8 x 6 x 13
    Drawing Item 4030: item 62; 4280: item 62; 4380: item 62, 60
    Specification 1-5/8" seal; Mechanical seal kit, 1-5/8" - glycol over 30% by weight; Mechanical seal kit, 1-5/8" - rotating unit (62) and stationary seat (60) as one kit - glycol over 30% by weight
    Note * Confirm before ordering - printed inconsistently in Armstrong parts list
    Shipping cost: Inquire
    Parts Finder canadianpumpshop.com/armstrong-parts-finder/

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