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PartsTable / COMPONENT / D401941 ITEM 27
D401941 ITEM 27 ✓ 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 D401941 ITEM 27 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 5330-00-920-6811, 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
D401941 ITEM 27
NSN: 5330-00-920-6811
FSC: 5330
CAGE: 4W944 — NUTTALL GEAR L L C (USA)
SPECIFICATIONS
Part NumberD401941 ITEM 27
NSN5330-00-920-6811
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: D401941 ITEM 27 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
54931Interchangeable
interchangeable cross-reference
interchangeable
SM-B-186882Interchangeable
interchangeable cross-reference
interchangeable
AA2100-11D11Interchangeable
interchangeable cross-reference
interchangeable
RC171AG0ZZ ITEM 3Interchangeable
interchangeable cross-reference
interchangeable
SMB171533Interchangeable
interchangeable cross-reference
interchangeable
54933Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D401941 ITEM 27?
D401941 ITEM 27 is a D401941 ITEM 27.
What parts can replace D401941 ITEM 27?
There are 20 known substitutes for D401941 ITEM 27: 54931, SM-B-186882, AA2100-11D11 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D401941 ITEM 27?
D401941 ITEM 27 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-920-6811. 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