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81.91605-0046 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

81.91605-0046: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: COPPER ALLOY OR STEEL, overall_diameter: 1.650 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-394-9043, 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
81.91605-0046
NSN: 5340-01-394-9043
FSC: 5340 — Hardware, Commercial
CAGE: D3273 — MAN TRUCK & BUS SE (DEU)
SPECIFICATIONS
materialCOPPER ALLOY OR STEEL
overall_diameter1.650 INCHES NOMINAL IN
NSN5340-01-394-9043
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 81.91605-0046 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
•
OVERALL DIAMETER: 1.650 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY OR STEEL
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER1.650 INCHES NOMINAL IN
MATERIALCOPPER ALLOY OR STEEL
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 5
5000289605Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5400-S6-12Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
91714725Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
151049012Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
151038000Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 81.91605-0046?
81.91605-0046 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 81.91605-0046?
There are 5 known substitutes for 81.91605-0046: 5000289605, 5400-S6-12, 91714725 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 81.91605-0046?
81.91605-0046 is cataloged in the U.S. Government catalog under NSN 5340-01-394-9043. This indicates validated use in U.S. government and defense supply chains.
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