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Technical Data Sheet
PartsTable / COMPONENT / 1/4-4NA
1/4-4NA ✓ 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 1/4-4NA 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 5340-00-582-3122, 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
1/4-4NA
NSN: 5340-00-582-3122
FSC: 5340
CAGE: 85480 — BRADY UNITED STATES (USA)
SPECIFICATIONS
Part Number1/4-4NA
NSN5340-00-582-3122
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1/4-4NA 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
•
DIAMETER: 0.167 INCHES NOMINAL IN
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 0.5632 INCHES NOMINAL IN
•
LOOP INSIDE DIAMETER: 0.250 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE: 0.407 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SINGLE LOOP
•
MATERIAL: PLASTIC BAND
•
MATERIAL THICKNESS: 0.040 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
DIAMETER0.167 INCHES NOMINAL IN
DISTANCE FROM LOOP CENTER TO TONGUE END0.5632 INCHES NOMINAL IN
LOOP INSIDE DIAMETER0.250 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE0.407 INCHES NOMINAL IN
STYLE DESIGNATORSINGLE LOOP
MATERIALPLASTIC BAND
OVERALL WIDTH0.375 INCHES NOMINAL IN
MATERIAL THICKNESS0.040 INCHES NOMINAL IN
TONGUE HOLE TYPEROUND, UNTHREADED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
1/4-4NAUpgraded Successor
successor cross-reference
successor
5570150Interchangeable
interchangeable cross-reference
interchangeable
T-44Interchangeable
SUN Oracle Sparc T4-4 Server
interchangeable
LF-532Interchangeable
interchangeable cross-reference
interchangeable
6248345Interchangeable
interchangeable cross-reference
interchangeable
T44-1CInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1/4-4NA?
1/4-4NA is a 1/4-4NA.
What parts can replace 1/4-4NA?
There are 18 known substitutes for 1/4-4NA: 1/4-4NA, 5570150, T-44 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1/4-4NA?
1/4-4NA is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-582-3122. 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