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39800-12-8 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

39800-12-8: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: ALUMINUM, design_type: FRICTION, overall_diameter: 2.075 INCHES MAXIMUM IN, special_features: EQUIPPED WITH RETAINING CABLE AND HOOK, round_cap_outside_surface_condition: RIBBED. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-277-3849, 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
39800-12-8
NSN: 5340-00-277-3849
FSC: 5340 — Hardware, Commercial
CAGE: 00624 — EATON AEROQUIP LLC DBA JACKSON NORTH 1 DIV FLUID AND ELECTRICAL DISTRIBUTION (USA)
SPECIFICATIONS
materialALUMINUM
design_typeFRICTION
overall_diameter2.075 INCHES MAXIMUM IN
special_featuresEQUIPPED WITH RETAINING CABLE AND HOOK
round_cap_outside_surface_conditionRIBBED
NSN5340-00-277-3849
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 39800-12-8 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: 2.075 INCHES MAXIMUM IN
•
MATERIAL: ALUMINUM
•
ROUND CAP OUTSIDE SURFACE CONDITION: RIBBED
TECHNICAL CHARACTERISTICS
DESIGN TYPEFRICTION
OVERALL DIAMETER2.075 INCHES MAXIMUM IN
SPECIAL FEATURESEQUIPPED WITH RETAINING CABLE AND HOOK
MATERIALALUMINUM
ROUND CAP OUTSIDE SURFACE CONDITIONRIBBED
SUBSTITUTES & CROSS-REFERENCES 1
3979-12Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 39800-12-8?
39800-12-8 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 39800-12-8?
There is 1 known substitute for 39800-12-8: 3979-12. Substitute compatibility should be verified for your specific system.
What is the NSN for 39800-12-8?
39800-12-8 is cataloged in the U.S. Government catalog under NSN 5340-00-277-3849. This indicates validated use in U.S. government and defense supply chains.
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