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10176957 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

10176957: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: ALUMINUM ALLOY, design_type: FRICTION, special_features: 10 IN. LG BRASS BEAD CHAIN ATTACHED TO CAP IN, surface_treatment: ANODIZE, round_cap_outside_surface_condition: KNURLED, connector_nominal_thread_size_for_which_designed: 0.250 INCHES IN.

This part is cataloged in the U.S. Government catalog under NSN 5340-01-068-2161, 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
10176957
NSN: 5340-01-068-2161
FSC: 5340 — Hardware, Commercial
CAGE: A486G — NIMIKKEISTOKESKUS NCB FINLAND (FIN)
SPECIFICATIONS
materialALUMINUM ALLOY
design_typeFRICTION
special_features10 IN. LG BRASS BEAD CHAIN ATTACHED TO CAP IN
surface_treatmentANODIZE
round_cap_outside_surface_conditionKNURLED
connector_nominal_thread_size_for_which_designed0.250 INCHES IN
NSN5340-01-068-2161
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 10176957 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
•
CONNECTOR NOMINAL THREAD SIZE FOR WHICH DESIGNED: 0.250 INCHES IN
•
SURFACE TREATMENT: ANODIZE
•
MATERIAL: ALUMINUM ALLOY
•
ROUND CAP OUTSIDE SURFACE CONDITION: KNURLED
TECHNICAL CHARACTERISTICS
DESIGN TYPEFRICTION
CONNECTOR NOMINAL THREAD SIZE FOR WHICH DESIGNED0.250 INCHES IN
SPECIAL FEATURES10 IN. LG BRASS BEAD CHAIN ATTACHED TO CAP IN
SURFACE TREATMENTANODIZE
MATERIALALUMINUM ALLOY
ROUND CAP OUTSIDE SURFACE CONDITIONKNURLED
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
ADCH-4W/BC-3.50Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 10176957?
10176957 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 10176957?
There is 1 known substitute for 10176957: ADCH-4W/BC-3.50. Substitute compatibility should be verified for your specific system.
What is the NSN for 10176957?
10176957 is cataloged in the U.S. Government catalog under NSN 5340-01-068-2161. 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.