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Technical Data Sheet
PartsTable / COMPONENT / 1/8-2NA
1/8-2NA ✓ 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 1/8-2NA is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-280-6158, 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
1/8-2NA
NSN: 5340-01-280-6158
FSC: 5340
CAGE: 60641 — INTERNATIONAL CARBONIC INC (USA)
SPECIFICATIONS
Part Number1/8-2NA
NSN5340-01-280-6158
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1/8-2NA 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
•
LOOP INSIDE DIAMETER: 0.125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SINGLE LOOP
•
TONGUE HOLE TYPE: ROUND, UNTHREADED
•
MATERIAL: PLASTIC POLYAMIDE NYLON BAND
•
MATERIAL THICKNESS: 0.320 INCHES NOMINAL IN
•
DIAMETER: 0.128 INCHES NOMINAL IN
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 0.447 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
LOOP INSIDE DIAMETER0.125 INCHES NOMINAL IN
STYLE DESIGNATORSINGLE LOOP
OVERALL WIDTH0.281 INCHES NOMINAL IN
TONGUE HOLE TYPEROUND, UNTHREADED
MATERIALPLASTIC POLYAMIDE NYLON BAND
MATERIAL THICKNESS0.320 INCHES NOMINAL IN
DIAMETER0.128 INCHES NOMINAL IN
DISTANCE FROM LOOP CENTER TO TONGUE END0.447 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE0.275 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
1-8-2NAUpgraded Successor
successor cross-reference
successor
33033-0012Upgraded Successor
successor cross-reference
successor
831 00015 01Upgraded Successor
successor cross-reference
successor
SM-C-920478-11Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1/8-2NA?
1/8-2NA is a 1/8-2NA.
What parts can replace 1/8-2NA?
There are 4 known substitutes for 1/8-2NA: 1-8-2NA, 33033-0012, 831 00015 01 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1/8-2NA?
1/8-2NA is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-280-6158. 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