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Technical Data Sheet
PartsTable / COMPONENT / 5/16-3
5/16-3 ✓ 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

The 5/16-3 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-205-6135, 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
5/16-3
NSN: 5340-00-205-6135
FSC: 5340
CAGE: 85480 — BRADY UNITED STATES (USA)
SPECIFICATIONS
Part Number5/16-3
NSN5340-00-205-6135
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5/16-3 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
•
STYLE DESIGNATOR: SINGLE LOOP
•
LOOP INSIDE DIAMETER: 0.313 INCHES NOMINAL IN
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 0.651 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-M-20693,COMP A,TYPE I,COLOR NATURAL MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE: 0.448 INCHES NOMINAL IN
•
DIAMETER: 0.203 INCHES NOMINAL IN
•
TONGUE HOLE TYPE: ROUND, UNTHREADED
•
MATERIAL THICKNESS: 0.036 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSINGLE LOOP
LOOP INSIDE DIAMETER0.313 INCHES NOMINAL IN
DISTANCE FROM LOOP CENTER TO TONGUE END0.651 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-M-20693,COMP A,TYPE I,COLOR NATURAL MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE0.448 INCHES NOMINAL IN
DIAMETER0.203 INCHES NOMINAL IN
TONGUE HOLE TYPEROUND, UNTHREADED
MATERIAL THICKNESS0.036 INCHES NOMINAL IN
MATERIALPLASTIC POLYHEXAMETHYLENE AMIDE OVERALL
OVERALL WIDTH0.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
5-16 4Upgraded Successor
successor cross-reference
successor
NAS1397P5NUpgraded Successor
successor cross-reference
successor
8317-2067-3Upgraded Successor
successor cross-reference
successor
5163Upgraded Successor
successor cross-reference
successor
6515NCM072003Upgraded Successor
successor cross-reference
successor
M8702Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5/16-3?
5/16-3 is a 5/16-3.
What parts can replace 5/16-3?
There are 17 known substitutes for 5/16-3: 5-16 4, NAS1397P5N, 8317-2067-3 and 14 more. Substitute compatibility should be verified for your specific system.
Is 5/16-3 still available?
5/16-3 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026