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283978 — PLUG,TEMPERATURE COMPRESSIVE LOA

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

283978: PLUG,TEMPERATURE COMPRESSIVE LOA.

PLUG,TEMPERATURE COMPRESSIVE LOA. Key specifications include general_characteristics_item_description: 0.326 IN. MIN,0.328 IN.

MAX OD,0.448 IN. MIN,0.450 IN. MAX LG IN.

This part is cataloged in the U.S. Government catalog under NSN 4730-00-370-9504, 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
283978
NSN: 4730-00-370-9504
NIINs: 003709504, 007233378
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
general_characteristics_item_description0.326 IN. MIN,0.328 IN. MAX OD,0.448 IN. MIN,0.450 IN. MAX LG IN
NSN4730-00-370-9504
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 283978 · 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
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: 0.326 IN. MIN,0.328 IN. MAX OD,0.448 IN. MIN,0.450 IN. MAX LG IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTION0.326 IN. MIN,0.328 IN. MAX OD,0.448 IN. MIN,0.450 IN. MAX LG IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 283978?
283978 is a PLUG,TEMPERATURE COMPRESSIVE LOA.
What is the NSN for 283978?
283978 is cataloged in the U.S. Government catalog under NSN 4730-00-370-9504. 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.