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MIL-DTL-22050 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MIL-DTL-22050: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER ETHYLENE-PROPYLENE CLASS EPM, hardness_rating: 65.0 SHORE DUROMETER A NOMINAL, outside_diameter: 1.139 INCHES MINIMUM AND 1.173 INCHES MAXIMUM IN, center_hole_diameter: 0.915 INCHES MINIMUM AND 0.933 INCHES MAXIMUM IN, cross-sectional_height: 0.112 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN, specification/standard_data: 81349-MIL-DTL-22050 GOVERNMENT SPECIFICATION. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-004-3227, 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-DTL-22050
NSN: 5331-00-004-3227
NIINs: 000043227, 004010812, 005421722, 005853168, 006123643, 006186259, 007022736, 007022737, 007527820, 007528265, 007528609, 007532032, 007532033, 007532204, 008038019, 008082327, 008111334, 008111338, 008118919, 008119015, 008169726, 008182814, 008182815, 008182817, 008183130, 008183131, 008183132, 008183133, 008188607, 008218331, 008251437, 008353453, 008392661, 008823596, 008903738, 008921646, 008921655, 009359203, 010248886, 011308423, 011488215, 012304602, 012700754, 012770369, 012839224, 013798166, 013798454, 013909247, 013945995, 013945996, 014566655, 014633892, 014706148, 014708059, 014708071, 014708072, 014832020, 014832023, 015066707, 015426984, 015783932, 015879438, 015919057, 015919063, 015919117, 015919130, 015971860, 015971875, 015975888, 016001389, 016037317, 016037350, 016037370, 016037754, 016037780, 016038976, 016043938, 016297091, 016297093, 016297096, 016297103, 016297109, 016533119, 016544937, 016725196, 016771750, 016778797, 016807941, 016993639, 017349577
FSC: 5331 — O-ring
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialRUBBER ETHYLENE-PROPYLENE CLASS EPM
hardness_rating65.0 SHORE DUROMETER A NOMINAL
outside_diameter1.139 INCHES MINIMUM AND 1.173 INCHES MAXIMUM IN
center_hole_diameter0.915 INCHES MINIMUM AND 0.933 INCHES MAXIMUM IN
cross-sectional_height0.112 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
specification/standard_data81349-MIL-DTL-22050 GOVERNMENT SPECIFICATION
part_name_assigned_by_controlling_agencyGASKET AND PACKING MATERIAL, RUBBER, FOR USE WITH POLAR FLUIDS, STEAM, AND AIR AT MODERATELY HIGH TEMPERATURES
NSN5331-00-004-3227
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MIL-DTL-22050 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: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 0.669 INCHES MINIMUM AND 0.679 INCHES MAXIMUM IN
•
MATERIAL: RUBBER ETHYLENE-PROPYLENE CLASS EPM
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.669 INCHES MINIMUM AND 0.679 INCHES MAXIMUM IN
MATERIALRUBBER ETHYLENE-PROPYLENE CLASS EPM
SUBSTITUTES & CROSS-REFERENCES 8
78004267Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
211071633Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
AS568-115Reference document
Same NSN cross-reference
Reference document — Secondary reference
2-115E515-80Reference document
Same NSN cross-reference
Reference document — Secondary reference
SP160-13Reference document
Same NSN cross-reference
Reference document — Secondary reference
M22050-1-115Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MIL-DTL-22050?
MIL-DTL-22050 is a O-RING.
What parts can replace MIL-DTL-22050?
There are 8 known substitutes for MIL-DTL-22050: 78004267, 211071633, AS568-115 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-DTL-22050?
MIL-DTL-22050 is cataloged in the U.S. Government catalog under NSN 5331-00-004-3227. 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.