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PartsTable / COMPONENT / D15-772NPC464-457
D15-772NPC464-457 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The SEAL ASSEMBLY 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 5330-00-216-9374, 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
D15-772NPC464-457
NSN: 5330-00-216-9374
FSC: 5330
CAGE: 79500 — WESTINGHOUSE ELECTRIC CORP (USA)
SPECIFICATIONS
general_characteristics_item_description7.123 IN. OD,3.750 IN. ID,0.750 IN. W,6 COUNTERSUNK HOLES FOR 0.375 IN. DIA FLAT HEAD MACHINE SCREWS EQUALLY SPACED ON 6.250 IN. DIA BOLT CIRCLE IN
NSN5330-00-216-9374
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: D15-772NPC464-457 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: 7.123 IN. OD,3.750 IN. ID,0.750 IN. W,6 COUNTERSUNK HOLES FOR 0.375 IN. DIA FLAT HEAD MACHINE SCREWS EQUALLY SPACED ON 6.250 IN. DIA BOLT CIRCLE IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTION7.123 IN. OD,3.750 IN. ID,0.750 IN. W,6 COUNTERSUNK HOLES FOR 0.375 IN. DIA FLAT HEAD MACHINE SCREWS EQUALLY SPACED ON 6.250 IN. DIA BOLT CIRCLE IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
31825Interchangeable
interchangeable cross-reference
interchangeable
10015366-056Interchangeable
interchangeable cross-reference
interchangeable
41406Interchangeable
interchangeable cross-reference
interchangeable
410440Interchangeable
interchangeable cross-reference
interchangeable
MS25008-1DT2RATInterchangeable
interchangeable cross-reference
interchangeable
8365287Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D15-772NPC464-457?
D15-772NPC464-457 is a SEAL ASSEMBLY.
What parts can replace D15-772NPC464-457?
There are 9 known substitutes for D15-772NPC464-457: 31825, 10015366-056, 41406 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D15-772NPC464-457?
D15-772NPC464-457 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-216-9374. 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