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PartsTable / COMPONENT / NAS816-131
NAS816-131 ✓ 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-PLUG,PROTECTIVE,DUST AND MOI. Key specifications include material: PLASTIC, length_under_shoulder: 0.656 INCHES NOMINAL IN, open_end_inside_diameter: 1.402 INCHES NOMINAL IN, closed_end_overall_diameter: 1.312 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-848-7259, 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
NAS816-131
NSN: 5340-00-848-7259
FSC: 5340
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
materialPLASTIC
length_under_shoulder0.656 INCHES NOMINAL IN
open_end_inside_diameter1.402 INCHES NOMINAL IN
closed_end_overall_diameter1.312 INCHES NOMINAL IN
NSN5340-00-848-7259
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NAS816-131 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
•
OPEN END INSIDE DIAMETER: 1.402 INCHES NOMINAL IN
•
MATERIAL: PLASTIC
•
CLOSED END OVERALL DIAMETER: 1.312 INCHES NOMINAL IN
•
LENGTH UNDER SHOULDER: 0.656 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OPEN END INSIDE DIAMETER1.402 INCHES NOMINAL IN
MATERIALPLASTIC
CLOSED END OVERALL DIAMETER1.312 INCHES NOMINAL IN
LENGTH UNDER SHOULDER0.656 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
1M7911Interchangeable
interchangeable cross-reference
interchangeable
36AInterchangeable
interchangeable cross-reference
interchangeable
111129Interchangeable
interchangeable cross-reference
interchangeable
77213Interchangeable
interchangeable cross-reference
interchangeable
213WDDNFS381AInterchangeable
interchangeable cross-reference
interchangeable
K79PInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAS816-131?
NAS816-131 is a CAP-PLUG,PROTECTIVE,DUST AND MOI.
What parts can replace NAS816-131?
There are 12 known substitutes for NAS816-131: 1M7911, 36A, 111129 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NAS816-131?
NAS816-131 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-848-7259. 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