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B-56148 — SEAL ASSEMBLY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

B-56148: SEAL ASSEMBLY.

The SEAL ASSEMBLY is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: CONSISTS OF 1 SEAL,PLAIN,ENCASED P/N A-56157 FSCM 77842,1 MATING RING P/N B-53143 FSCM 77842. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-151-1110, 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
B-56148
NSN: 5330-01-151-1110
FSC: 5330 — Packing and Gasket Materials
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
general_characteristics_item_descriptionCONSISTS OF 1 SEAL,PLAIN,ENCASED P/N A-56157 FSCM 77842,1 MATING RING P/N B-53143 FSCM 77842
NSN5330-01-151-1110
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B-56148 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
KEY FEATURES
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: CONSISTS OF 1 SEAL,PLAIN,ENCASED P/N A-56157 FSCM 77842,1 MATING RING P/N B-53143 FSCM 77842
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCONSISTS OF 1 SEAL,PLAIN,ENCASED P/N A-56157 FSCM 77842,1 MATING RING P/N B-53143 FSCM 77842
SUBSTITUTES & CROSS-REFERENCES 4
747691-3Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
56148Reference document
Same NSN cross-reference
Reference document — Secondary reference
1-575-6Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
903-0050-052Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B-56148?
B-56148 is a SEAL ASSEMBLY.
What parts can replace B-56148?
There are 4 known substitutes for B-56148: 747691-3, 56148, 1-575-6 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B-56148?
B-56148 is cataloged in the U.S. Government catalog under NSN 5330-01-151-1110. This indicates validated use in U.S. government and defense supply chains.
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