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N277 ✓ 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 BOW DOOR OPERATING is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON, shank_length: 0.160 INCHES NOMINAL IN, overall_height: 0.220 INCHES NOMINAL IN, shank_diameter: 0.093 INCHES NOMINAL IN, style_designator: ROUND TOP FLANGE, outside/top_flange_diameter: 0.190 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-054-4551, 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
N277
NSN: 5340-00-054-4551
FSC: 5340
CAGE: 08863 — NYLOMATIC (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON
shank_length0.160 INCHES NOMINAL IN
overall_height0.220 INCHES NOMINAL IN
shank_diameter0.093 INCHES NOMINAL IN
style_designatorROUND TOP FLANGE
outside/top_flange_diameter0.190 INCHES NOMINAL IN
NSN5340-00-054-4551
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: N277 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
•
MATERIAL: PLASTIC POLYAMIDE NYLON
•
SHANK LENGTH: 0.160 INCHES NOMINAL IN
•
OUTSIDE/TOP FLANGE DIAMETER: 0.190 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND TOP FLANGE
•
SHANK DIAMETER: 0.093 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALPLASTIC POLYAMIDE NYLON
SHANK LENGTH0.160 INCHES NOMINAL IN
OUTSIDE/TOP FLANGE DIAMETER0.190 INCHES NOMINAL IN
OVERALL HEIGHT0.220 INCHES NOMINAL IN
STYLE DESIGNATORROUND TOP FLANGE
SHANK DIAMETER0.093 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
HC6166SPCN277Interchangeable
interchangeable cross-reference
interchangeable
N277Interchangeable
interchangeable cross-reference
interchangeable
D2-9420PC155Interchangeable
interchangeable cross-reference
interchangeable
504963Interchangeable
interchangeable cross-reference
interchangeable
P680000303Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N277?
N277 is a BOW DOOR OPERATING.
What parts can replace N277?
There are 5 known substitutes for N277: HC6166SPCN277, N277, D2-9420PC155 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N277?
N277 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-054-4551. 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