PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 812516-6
812516-6 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: PLASTIC, POLYETHYLENE (PP), design_type: THREADED, thread_class: 1B, overall_diameter: 0.620 INCHES NOMINAL IN, inside_diameter_length: 0.850 INCHES NOMINAL IN, round_cap_outside_surface_condition: RIBBED OR SMOOTH. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-190-0799, 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
812516-6
NSN: 5340-01-190-0799
FSC: 5340
CAGE: 06331 — PACIFIC SCIENTIFIC ENERGETIC MATERIALS COMPANY (CALIFORNIA LLC) (USA)
SPECIFICATIONS
materialPLASTIC, POLYETHYLENE (PP)
design_typeTHREADED
thread_class1B
overall_diameter0.620 INCHES NOMINAL IN
inside_diameter_length0.850 INCHES NOMINAL IN
round_cap_outside_surface_conditionRIBBED OR SMOOTH
material_document_and_classificationL-P-390, TYPE 1, CLASS M, GRADE 3 FED SPEC SINGLE MATERIAL RESPONSE
thread_size_and_series/type_designator0.500-20 UNF
NSN5340-01-190-0799
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 812516-6 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: 0.620 INCHES NOMINAL IN
•
MATERIAL: PLASTIC, POLYETHYLENE (PP)
•
MATERIAL DOCUMENT AND CLASSIFICATION: L-P-390, TYPE 1, CLASS M, GRADE 3 FED SPEC SINGLE MATERIAL RESPONSE
•
DESIGN TYPE: THREADED
•
INSIDE DIAMETER LENGTH: 0.850 INCHES NOMINAL IN
•
ROUND CAP OUTSIDE SURFACE CONDITION: RIBBED OR SMOOTH
•
THREAD CLASS: 1B
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 0.500-20 UNF
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER0.620 INCHES NOMINAL IN
MATERIALPLASTIC, POLYETHYLENE (PP)
MATERIAL DOCUMENT AND CLASSIFICATIONL-P-390, TYPE 1, CLASS M, GRADE 3 FED SPEC SINGLE MATERIAL RESPONSE
DESIGN TYPETHREADED
INSIDE DIAMETER LENGTH0.850 INCHES NOMINAL IN
ROUND CAP OUTSIDE SURFACE CONDITIONRIBBED OR SMOOTH
THREAD CLASS1B
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.500-20 UNF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
222773Interchangeable
interchangeable cross-reference
interchangeable
42-55-7 BAInterchangeable
interchangeable cross-reference
interchangeable
10501943Interchangeable
interchangeable cross-reference
interchangeable
8342Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 812516-6?
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 812516-6?
812516-6 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 812516-6?
There are 4 known substitutes for 812516-6: 222773, 42-55-7 BA, 10501943 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 812516-6?
812516-6 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-190-0799. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 812516-6

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026