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MIL-P-83461 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MIL-P-83461: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, temp_rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF, hardness_rating: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MINIMUM, center_hole_diameter: 10.429 INCHES MINIMUM AND 10.539 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN, material_document_and_classification: MIL-P-83461 MIL SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-322-2149, 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
MIL-P-83461
NSN: 5331-00-322-2149
NIINs: 003222149, 010431419, 011132083, 011604324, 011830986, 012033239, 012253520, 012299612, 013307620, 013365358, 013413672, 013496182, 013514199, 013601902, 013615425, 013639568, 013721273, 013721274, 013771499, 013876863, 013877506, 013899188, 013900617, 013903882, 013913000, 013913037, 013920830, 013921793, 013922750, 014138791, 014189015, 014230910, 014294576, 014295089, 014352479, 014352491, 014369522, 014398775, 014562356, 014574549, 014574560, 014582896, 014595239, 014600074, 014623039, 014642844, 014676320, 014708076, 014746304, 015039838, 015095415
FSC: 5331 — O-ring
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
hardness_rating70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MINIMUM
center_hole_diameter10.429 INCHES MINIMUM AND 10.539 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
material_document_and_classificationMIL-P-83461 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5331-00-322-2149
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MIL-P-83461 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: 0.061 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.356 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
CENTER HOLE DIAMETER: 0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.061 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.356 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 8
5331PL0813732Reference document
Same NSN cross-reference
Reference document — Informative reference only
M83461/2-902Reference document
Same NSN cross-reference
Reference document — Secondary reference
9-02-4081-85Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AMS-P-83461Reference document
Same NSN cross-reference
Reference document — Secondary reference
M83461/1-902Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
3-902N168-8Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MIL-P-83461?
MIL-P-83461 is a O-RING.
What parts can replace MIL-P-83461?
There are 8 known substitutes for MIL-P-83461: 5331PL0813732, M83461/2-902, 9-02-4081-85 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-P-83461?
MIL-P-83461 is cataloged in the U.S. Government catalog under NSN 5331-00-322-2149. 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.