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451341C — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

451341C: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include design_type: FRICTION, overall_diameter: 1.156 INCHES NOMINAL IN, special_features: CHAIN ATTACHED 8 IN. LG IN, inside_diameter_length: 1.359 INCHES NOMINAL IN, round_cap_outside_surface_condition: SMOOTH.

This part is cataloged in the U.S. Government catalog under NSN 5340-00-776-9908, 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
451341C
NSN: 5340-00-776-9908
FSC: 5340 — Hardware, Commercial
CAGE: 78570 — SMITHS TUBULAR SYSTEMS-LACONIA, INC. (USA)
SPECIFICATIONS
design_typeFRICTION
overall_diameter1.156 INCHES NOMINAL IN
special_featuresCHAIN ATTACHED 8 IN. LG IN
inside_diameter_length1.359 INCHES NOMINAL IN
round_cap_outside_surface_conditionSMOOTH
NSN5340-00-776-9908
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 451341C 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
•
DESIGN TYPE: FRICTION
•
OVERALL DIAMETER: 1.156 INCHES NOMINAL IN
•
INSIDE DIAMETER LENGTH: 1.359 INCHES NOMINAL IN
•
ROUND CAP OUTSIDE SURFACE CONDITION: SMOOTH
TECHNICAL CHARACTERISTICS
DESIGN TYPEFRICTION
OVERALL DIAMETER1.156 INCHES NOMINAL IN
SPECIAL FEATURESCHAIN ATTACHED 8 IN. LG IN
INSIDE DIAMETER LENGTH1.359 INCHES NOMINAL IN
ROUND CAP OUTSIDE SURFACE CONDITIONSMOOTH
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 1
10866605Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 451341C?
451341C is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 451341C?
There is 1 known substitute for 451341C: 10866605. Substitute compatibility should be verified for your specific system.
What is the NSN for 451341C?
451341C is cataloged in the U.S. Government catalog under NSN 5340-00-776-9908. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.