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PartsTable / COMPONENT / BP171TYPE21 1.75
BP171TYPE21 1.75 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The BP171TYPE21 1.75 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-01-303-1040, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
BP171TYPE21 1.75
NSN: 4320-01-303-1040
FSC: 4320
CAGE: 99189 — JOHN CRANE-HOUDAILLE INC LAPMASTER INTL DIV (USA)
SPECIFICATIONS
Part NumberBP171TYPE21 1.75
NSN4320-01-303-1040
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BP171TYPE21 1.75 TITLE COMPONENT PN BP171TYPE21 1.75 MFR BP171TYPE21 1.75
KEY FEATURES
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: ITEM CONSISTS OF 1 EA. SPRING HOLDER; 1 EA. SPRING; 1 EA. DRIVE RING; 1 EA. RETAINER; 1 EA. FLEXIBLE DIAPHRAGM; 1 EA. WASHER; 1 EA. O-RING; 1 EA. O-RING SEAT; SPRING AND METAL STAMPING ARE MADE OF STAINLESS STEEL; O-RING SEAT IS MADE OF NICKEL ALLOY; ELASTOMER PARTS ARE MADE OF BUNA-N
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONFUEL DISPENSING SYSTEM, TACT AIRFLD (3ID)(M1966). SHIPBOARD MATERIAL HANDLING EQUIPMENT (MHE). FUEL SYSTEM AMPHIBIOUS ASSULT 600,000 GAL CAP (3ID).
GENERAL CHARACTERISTICS ITEM DESCRIPTIONITEM CONSISTS OF 1 EA. SPRING HOLDER; 1 EA. SPRING; 1 EA. DRIVE RING; 1 EA. RETAINER; 1 EA. FLEXIBLE DIAPHRAGM; 1 EA. WASHER; 1 EA. O-RING; 1 EA. O-RING SEAT; SPRING AND METAL STAMPING ARE MADE OF STAINLESS STEEL; O-RING SEAT IS MADE OF NICKEL ALLOY; ELASTOMER PARTS ARE MADE OF BUNA-N
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
79101Interchangeable
interchangeable cross-reference
interchangeable
68C1-40Interchangeable
interchangeable cross-reference
interchangeable
813137-1Interchangeable
interchangeable cross-reference
interchangeable
AT-2206Interchangeable
interchangeable cross-reference
interchangeable
A7506Interchangeable
interchangeable cross-reference
interchangeable
722899-057Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BP171TYPE21 1.75?
BP171TYPE21 1.75 is a BP171TYPE21 1.75.
What parts can replace BP171TYPE21 1.75?
There are 8 known substitutes for BP171TYPE21 1.75: 79101, 68C1-40, 813137-1 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BP171TYPE21 1.75?
BP171TYPE21 1.75 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-01-303-1040. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026