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DAX12391 — RETAINER,HELICAL COMPRESSION SPR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

DAX12391: RETAINER,HELICAL COMPRESSION SPR.

RETAINER,HELICAL COMPRESSION SPR. Key specifications include material: ALUMINUM ALLOY 355.0, special_features: 2350-01-087-1095, casehardening_indicator: CASEHARDENED, material_document_and_classification: QQ-A-601, ALLOY 10, T71 FED SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-077-1668, 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
DAX12391
NSN: 5340-01-077-1668
FSC: 5340 — Hardware, Commercial
CAGE: 73342 — ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 355.0
special_features2350-01-087-1095
casehardening_indicatorCASEHARDENED
material_document_and_classificationQQ-A-601, ALLOY 10, T71 FED SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-077-1668
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: DAX12391 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-601, ALLOY 10, T71 FED SPEC SINGLE MATERIAL RESPONSE
•
CASEHARDENING INDICATOR: CASEHARDENED
•
MATERIAL: ALUMINUM ALLOY 355.0
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-601, ALLOY 10, T71 FED SPEC SINGLE MATERIAL RESPONSE
CASEHARDENING INDICATORCASEHARDENED
SPECIAL FEATURES2350-01-087-1095
MATERIALALUMINUM ALLOY 355.0
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 1
12267116Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is DAX12391?
DAX12391 is a RETAINER,HELICAL COMPRESSION SPR.
What parts can replace DAX12391?
There is 1 known substitute for DAX12391: 12267116. Substitute compatibility should be verified for your specific system.
What is the NSN for DAX12391?
DAX12391 is cataloged in the U.S. Government catalog under NSN 5340-01-077-1668. 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.