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1920-71-230-8645 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1920-71-230-8645: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: STEEL COMP 302, design_type: FRICTION, special_features: CAP HAS LANYARD TERMINATIONS AND RING, material_document_and_classification: QQ-S-766, CLASS 302 FED SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-147-0720, 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
1920-71-230-8645
NSN: 5340-01-147-0720
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 302
design_typeFRICTION
special_featuresCAP HAS LANYARD TERMINATIONS AND RING
material_document_and_classificationQQ-S-766, CLASS 302 FED SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-147-0720
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1920-71-230-8645 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-766, CLASS 302 FED SPEC SINGLE MATERIAL RESPONSE
•
MATERIAL: STEEL COMP 302
TECHNICAL CHARACTERISTICS
DESIGN TYPEFRICTION
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-766, CLASS 302 FED SPEC SINGLE MATERIAL RESPONSE
SPECIAL FEATURESCAP HAS LANYARD TERMINATIONS AND RING
MATERIALSTEEL COMP 302
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
660-020M14R14Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 1920-71-230-8645?
1920-71-230-8645 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 1920-71-230-8645?
There is 1 known substitute for 1920-71-230-8645: 660-020M14R14. Substitute compatibility should be verified for your specific system.
What is the NSN for 1920-71-230-8645?
1920-71-230-8645 is cataloged in the U.S. Government catalog under NSN 5340-01-147-0720. 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.