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230399 — COOLER,FLUID,TRANSMISSION

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

230399: COOLER,FLUID,TRANSMISSION.

The COOLER,FLUID,TRANSMISSION is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-278-6319, 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
230399
NSN: 4730-00-278-6319
NIINs: 002786319, 012275446
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 28265 — HERCULES ENGINE CO INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
NSN4730-00-278-6319
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 230399 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 10
83867HXReference document
Same NSN cross-reference
Reference document — Secondary reference
0317058Reference document
Same NSN cross-reference
Reference document — Secondary reference
AC2281Reference document
Same NSN cross-reference
Reference document — Secondary reference
074-0001Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
301-ST-739Reference document
Same NSN cross-reference
Reference document — Secondary reference
301SA0455000Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 230399?
230399 is a COOLER,FLUID,TRANSMISSION.
What parts can replace 230399?
There are 10 known substitutes for 230399: 83867HX, 0317058, AC2281 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 230399?
230399 is cataloged in the U.S. Government catalog under NSN 4730-00-278-6319. 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.