PartsTable
Technical Data Sheet
Download PDF

312995-004 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

312995-004: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: PLASTIC, POLYETHYLENE (PP), design_type: FRICTION, overall_diameter: 0.480 INCHES NOMINAL IN, inside_diameter_length: 0.500 INCHES NOMINAL IN, round_cap_outside_surface_condition: SMOOTH, material_document_and_classification: L-P-390, TYPE 1, CLASS L FED SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-321-0628, 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
312995-004
NSN: 5340-01-321-0628
FSC: 5340 — Hardware, Commercial
CAGE: 81413 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. DBA BAE SYSTEMS (USA)
SPECIFICATIONS
materialPLASTIC, POLYETHYLENE (PP)
design_typeFRICTION
overall_diameter0.480 INCHES NOMINAL IN
special_featuresCONDUCTIVE POLYETHYLENE,SURFACE RESISTIVITY SHALL BE LESS THAN 30000 OHMS/SQ IN.; TENSILE STRENGTH 60000 PSI MIN; COLOR BLACK
inside_diameter_length0.500 INCHES NOMINAL IN
round_cap_outside_surface_conditionSMOOTH
material_document_and_classificationL-P-390, TYPE 1, CLASS L FED SPEC SINGLE MATERIAL RESPONSE
tube_outside_diameter_for_which_designed0.250 INCHES NOMINAL IN
connector_nominal_thread_size_for_which_designed0.250 INCHES IN
NSN5340-01-321-0628
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 312995-004 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: 0.480 INCHES NOMINAL IN
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 0.250 INCHES NOMINAL IN
•
CONNECTOR NOMINAL THREAD SIZE FOR WHICH DESIGNED: 0.250 INCHES IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: L-P-390, TYPE 1, CLASS L FED SPEC SINGLE MATERIAL RESPONSE
•
MATERIAL: PLASTIC, POLYETHYLENE (PP)
•
INSIDE DIAMETER LENGTH: 0.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
DESIGN TYPEFRICTION
OVERALL DIAMETER0.480 INCHES NOMINAL IN
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.250 INCHES NOMINAL IN
CONNECTOR NOMINAL THREAD SIZE FOR WHICH DESIGNED0.250 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATIONL-P-390, TYPE 1, CLASS L FED SPEC SINGLE MATERIAL RESPONSE
SPECIAL FEATURESCONDUCTIVE POLYETHYLENE,SURFACE RESISTIVITY SHALL BE LESS THAN 30000 OHMS/SQ IN.; TENSILE STRENGTH 60000 PSI MIN; COLOR BLACK
MATERIALPLASTIC, POLYETHYLENE (PP)
INSIDE DIAMETER LENGTH0.500 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 6
CEC-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
5340PL2148866Reference document
Same NSN cross-reference
Reference document — Informative reference only
P4330556-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
10124178-101Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
12438684Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
A2002416Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy 312995-004?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 312995-004?
312995-004 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 312995-004?
There are 6 known substitutes for 312995-004: CEC-4, 5340PL2148866, P4330556-1 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 312995-004?
312995-004 is cataloged in the U.S. Government catalog under NSN 5340-01-321-0628. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 312995-004