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Technical Data Sheet
PartsTable / COMPONENT / 812516-5
812516-5 ✓ 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: 0.560 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 5340-01-190-0798, 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
812516-5
NSN: 5340-01-190-0798
FSC: 5340
CAGE: 06331 — PACIFIC SCIENTIFIC ENERGETIC MATERIALS COMPANY (CALIFORNIA LLC) (USA)
SPECIFICATIONS
materialPLASTIC, POLYETHYLENE (PP)
design_typeTHREADED
thread_class1B
overall_diameter0.560 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_designator0.438-20 UNF
NSN5340-01-190-0798
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 812516-5 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: 0.560 INCHES NOMINAL IN
•
THREAD CLASS: 1B
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 0.438-20 UNF
•
ROUND CAP OUTSIDE SURFACE CONDITION: RIBBED OR SMOOTH
•
INSIDE DIAMETER LENGTH: 0.850 INCHES NOMINAL IN
•
DESIGN TYPE: THREADED
•
MATERIAL: PLASTIC, POLYETHYLENE (PP)
•
MATERIAL DOCUMENT AND CLASSIFICATION: L-P-390, TYPE 1, CLASS M, GRADE 3 FED SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER0.560 INCHES NOMINAL IN
THREAD CLASS1B
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.438-20 UNF
ROUND CAP OUTSIDE SURFACE CONDITIONRIBBED OR SMOOTH
INSIDE DIAMETER LENGTH0.850 INCHES NOMINAL IN
DESIGN TYPETHREADED
MATERIALPLASTIC, POLYETHYLENE (PP)
MATERIAL DOCUMENT AND CLASSIFICATIONL-P-390, TYPE 1, CLASS M, GRADE 3 FED SPEC SINGLE MATERIAL RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
AMS-QQ-A-200/11Interchangeable
interchangeable cross-reference
interchangeable
PA6874Interchangeable
interchangeable cross-reference
interchangeable
32764Interchangeable
interchangeable cross-reference
interchangeable
C3950UPX14Interchangeable
interchangeable cross-reference
interchangeable
22-277Interchangeable
interchangeable cross-reference
interchangeable
PL06-0051 ITEM 59Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 812516-5?
812516-5 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 812516-5?
There are 10 known substitutes for 812516-5: AMS-QQ-A-200/11, PA6874, 32764 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 812516-5?
812516-5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-190-0798. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026