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2507294 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2507294: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, temp_rating: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, center_hole_diameter: 6.211 INCHES MINIMUM AND 6.257 INCHES MAXIMUM IN, elongation_percentage: 331 MAXIMUM, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-582-1560, 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
2507294
NSN: 5331-00-582-1560
NIINs: 005821560, 010293674, 010311331, 010311340, 010311346, 010318207, 010318209, 010318211, 010318212, 010318213, 010318243, 010376127, 010477956, 011131320, 017139045, 017141338, 017142149, 017142158, 017142162, 017142173, 017142195, 017142218, 017142223, 017142229, 017142347, 017142350, 017142352, 017142354, 017142359, 017142437, 017142441, 017142893, 017142898, 017142905, 017142915, 017142917, 017142918, 017142920, 017142922, 017142931, 017143171, 017143183, 017143202, 017143405, 017143412, 017143419, 017143422, 017143665, 017143729, 017143742, 017143986, 017143991, 017144517, 017144534, 017144819, 017144824, 017144828, 017144829, 017145085, 017145088, 017145226, 017145991, 017148922, 017149513, 017150745, 017159513, 017159760, 017159763, 017159810, 017159892, 017161865, 017176466, 017180922, 017358599
FSC: 5331 — O-ring
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating-30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
hardness_rating70.0 SHORE DUROMETER A NOMINAL
center_hole_diameter6.211 INCHES MINIMUM AND 6.257 INCHES MAXIMUM IN
elongation_percentage331 MAXIMUM
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN5331-00-582-1560
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2507294 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
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 3.355 INCHES MINIMUM AND 3.419 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 3.085 INCHES MINIMUM AND 3.133 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
OUTSIDE DIAMETER3.355 INCHES MINIMUM AND 3.419 INCHES MAXIMUM IN
CENTER HOLE DIAMETER3.085 INCHES MINIMUM AND 3.133 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 10
N0304 2-235Reference document
Same NSN cross-reference
Reference document — Secondary reference
2-235 N304-75Reference document
Same NSN cross-reference
Reference document — Secondary reference
N304-75-235Reference document
Same NSN cross-reference
Reference document — Secondary reference
P48026-235Reference document
Same NSN cross-reference
Reference document — Secondary reference
PSI03-5-QBReference document
Same NSN cross-reference
Reference document — Secondary reference
SR 832-75-235Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2507294?
2507294 is a O-RING.
What parts can replace 2507294?
There are 10 known substitutes for 2507294: N0304 2-235, 2-235 N304-75, N304-75-235 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2507294?
2507294 is cataloged in the U.S. Government catalog under NSN 5331-00-582-1560. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.