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Technical Data Sheet
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444624 — PLUG,PIPE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

444624: PLUG,PIPE.

The PLUG,PIPE is a the manufacturer industrial component. Key specifications include outside_diameter: 3.469 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 3.218 INCHES NOMINAL IN, cross-sectional_height: 0.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-052-3666, 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
444624
NSN: 4730-00-052-3666
NIINs: 000523666, 010675205
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 31007 — NAVISTAR INTERNATIONAL CORPORATION DBA NAVISTAR (USA)
SPECIFICATIONS
outside_diameter3.469 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter3.218 INCHES NOMINAL IN
cross-sectional_height0.125 INCHES NOMINAL IN
NSN4730-00-052-3666
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 444624 · 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
•
HEAD TYPE: SOLID
•
NOMINAL PIPE SIZE FOR WHICH DESIGNED: 0.375 INCHES IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 FED SPEC 1ST TREATMENT RESPONSE OVERALL
•
CONNECTION STYLE: PLAIN
•
DRIVE END STYLE: HEXAGON
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-681,CL 65-35 FED SPEC 1ST MATERIAL RESPONSE OR 66,AISI 12L14,LOW CARBON STEEL FED STD 2ND MATERIAL RESPONSE OVERALL
•
FEATURES PROVIDED: THREAD RELIEF
•
THREAD DIRECTION: RIGHT-HAND EXTERNAL
TECHNICAL CHARACTERISTICS
HEAD TYPESOLID
NOMINAL PIPE SIZE FOR WHICH DESIGNED0.375 INCHES IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 FED SPEC 1ST TREATMENT RESPONSE OVERALL
CONNECTION STYLEPLAIN
DRIVE END STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-681,CL 65-35 FED SPEC 1ST MATERIAL RESPONSE OR 66,AISI 12L14,LOW CARBON STEEL FED STD 2ND MATERIAL RESPONSE OVERALL
FEATURES PROVIDEDTHREAD RELIEF
THREAD DIRECTIONRIGHT-HAND EXTERNAL
NOMINAL THREAD SIZE0.375 INCHES EXTERNAL IN
SURFACE TREATMENTCADMIUM OR OXIDE OVERALL
SUBSTITUTES & CROSS-REFERENCES 7
69003-SSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
20990-5-000337Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
PLU574Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
J531Reference document
Same NSN cross-reference
Reference document — Secondary reference
SAE J531 6 130109ECReference document
Same NSN cross-reference
Reference document — Secondary reference
4730000523666Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 444624?
444624 is a PLUG,PIPE.
What parts can replace 444624?
There are 7 known substitutes for 444624: 69003-S, 20990-5-000337, PLU574 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 444624?
444624 is cataloged in the U.S. Government catalog under NSN 4730-00-052-3666. This indicates validated use in U.S. government and defense supply chains.
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