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337981010001 — PLUG,TUBE REPAIR

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

337981010001: PLUG,TUBE REPAIR.

The PLUG,TUBE REPAIR is a the manufacturer industrial component. Key specifications include material: PLASTIC, special_features: PHENALIC PLASTIC, end_item_identification: HEAT EXCHANGER FILTER ASSEMBLY, nominal_outside_diameter_tube_accommodated: 0.625 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-487-5399, 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
337981010001
NSN: 4730-01-487-5399
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 6LE50 — FLUID HANDLING LLC (USA)
SPECIFICATIONS
materialPLASTIC
special_featuresPHENALIC PLASTIC
end_item_identificationHEAT EXCHANGER FILTER ASSEMBLY
nominal_outside_diameter_tube_accommodated0.625 INCHES IN
NSN4730-01-487-5399
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 337981010001 · 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
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.625 INCHES IN
•
MATERIAL: PLASTIC
TECHNICAL CHARACTERISTICS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.625 INCHES IN
SPECIAL FEATURESPHENALIC PLASTIC
END ITEM IDENTIFICATIONHEAT EXCHANGER FILTER ASSEMBLY
MATERIALPLASTIC
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES 1
337981010005Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 337981010001?
337981010001 is a PLUG,TUBE REPAIR.
What parts can replace 337981010001?
There is 1 known substitute for 337981010001: 337981010005. Substitute compatibility should be verified for your specific system.
What is the NSN for 337981010001?
337981010001 is cataloged in the U.S. Government catalog under NSN 4730-01-487-5399. 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.