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12302239 — RETAINER,SEAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12302239: RETAINER,SEAL.

The RETAINER,SEAL is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, construction: SOLID, style_designator: FLANGED, aperture_diameter: 5.710 INCHES NOMINAL IN, end_item_identification: 2350-01-136-8738;TANK CMBT IMPROV ARM M1IA. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-074-3743, 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
12302239
NSN: 5330-01-074-3743
FSC: 5330 — Packing and Gasket Materials
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
constructionSOLID
style_designatorFLANGED
aperture_diameter5.710 INCHES NOMINAL IN
end_item_identification2350-01-136-8738;TANK CMBT IMPROV ARM M1IA
NSN5330-01-074-3743
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12302239 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
•
STYLE DESIGNATOR: FLANGED
•
APERTURE DIAMETER: 5.710 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
CONSTRUCTION: SOLID
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORFLANGED
APERTURE DIAMETER5.710 INCHES NOMINAL IN
END ITEM IDENTIFICATION2350-01-136-8738;TANK CMBT IMPROV ARM M1IA
MATERIALSTEEL CORROSION RESISTING OVERALL
CONSTRUCTIONSOLID
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 2
12286496Reference document
Same NSN cross-reference
Reference document — Secondary reference
3-140-185X03Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 12302239?
12302239 is a RETAINER,SEAL.
What parts can replace 12302239?
There are 2 known substitutes for 12302239: 12286496, 3-140-185X03. Substitute compatibility should be verified for your specific system.
What is the NSN for 12302239?
12302239 is cataloged in the U.S. Government catalog under NSN 5330-01-074-3743. 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.