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BP271 — SEAL ASSEMBLY,SHAFT,SPRING LOADE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

BP271: SEAL ASSEMBLY,SHAFT,SPRING LOADE.

SEAL ASSEMBLY,SHAFT,SPRING LOADE. Key specifications include general_characteristics_item_description: STEEL;BRASS;CRES;2.000 IN. OD;1.375 IN.

ID;3.500 IN. H O/A IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-758-1192, 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
BP271
NSN: 5330-00-758-1192
NIINs: 007581192, 008742299, 016316564
FSC: 5330 — Packing and Gasket Materials
CAGE: 71724 — JOHN CRANE, INC (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTEEL;BRASS;CRES;2.000 IN. OD;1.375 IN. ID;3.500 IN. H O/A IN
NSN5330-00-758-1192
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: BP271 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 6
X2373Reference document
Same NSN cross-reference
Reference document — Secondary reference
NSP-00302 XF9110151(316)Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
A1770-8Reference document
Same NSN cross-reference
Reference document — Secondary reference
X2373 W/X2478Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
CF-SP-79659 XF911O151(316)Reference document
Same NSN cross-reference
Reference document — Secondary reference
FSP8465Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BP271?
BP271 is a SEAL ASSEMBLY,SHAFT,SPRING LOADE.
What parts can replace BP271?
There are 6 known substitutes for BP271: X2373, NSP-00302 XF9110151(316), A1770-8 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BP271?
BP271 is cataloged in the U.S. Government catalog under NSN 5330-00-758-1192. This indicates validated use in U.S. government and defense supply chains.
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