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4429K253 — TEE,PIPE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

4429K253: TEE,PIPE.

The TEE,PIPE is a the manufacturer industrial component. Key specifications include end_item_identification: B2 SUPPORT EQUIP, part_name_assigned_by_controlling_agency: FITTING. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-235-3007, 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
4429K253
NSN: 4730-01-235-3007
NIINs: 012353007, 015959079
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
end_item_identificationB2 SUPPORT EQUIP
part_name_assigned_by_controlling_agencyFITTING
NSN4730-01-235-3007
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4429K253 · 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 8
1713710Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
9276993-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
WF3700X8Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
3700X8Reference document
Same NSN cross-reference
Reference document — Secondary reference
J530 8-8-8 140439BReference document
Same NSN cross-reference
Reference document — Secondary reference
FT3700X8Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4429K253?
4429K253 is a TEE,PIPE.
What parts can replace 4429K253?
There are 8 known substitutes for 4429K253: 1713710, 9276993-1, WF3700X8 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4429K253?
4429K253 is cataloged in the U.S. Government catalog under NSN 4730-01-235-3007. 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.