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4WJJTX-WLN-S — TEE,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

4WJJTX-WLN-S: TEE,TUBE.

The TEE,TUBE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OR STEEL COMP 304 OVERALL, special_features: SAE 070958 MS51516, THREAD UN/UNF-2A 7/16-20, TUBE O.D. 1/4 INCH, A, nominal_thread_size: 0.438 INCHES FIRST END BULKHEAD IN, end_item_identification: AIRCRAFT, part_name_assigned_by_controlling_agency: TRIPLE-LOK 37DEG FLARE ENDS.

This part is cataloged in the U.S. Government catalog under NSN 4730-01-673-8288, 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
4WJJTX-WLN-S
NSN: 4730-01-673-8288
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 30780 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV TUBE FITTINGS DIVISION (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OR STEEL COMP 304 OVERALL
special_featuresSAE 070958 MS51516, THREAD UN/UNF-2A 7/16-20, TUBE O.D. 1/4 INCH, A
nominal_thread_size0.438 INCHES FIRST END BULKHEAD IN
end_item_identificationAIRCRAFT
part_name_assigned_by_controlling_agencyTRIPLE-LOK 37DEG FLARE ENDS
NSN4730-01-673-8288
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4WJJTX-WLN-S · 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 THREAD SIZE: 0.438 INCHES FIRST END BULKHEAD IN
•
MATERIAL: STEEL COMP 316 OR STEEL COMP 304 OVERALL
TECHNICAL CHARACTERISTICS
NOMINAL THREAD SIZE0.438 INCHES FIRST END BULKHEAD IN
NOMINAL THREAD SIZE0.438 INCHES ALL ENDS IN
SPECIAL FEATURESSAE 070958 MS51516, THREAD UN/UNF-2A 7/16-20, TUBE O.D. 1/4 INCH, A
PART NAME ASSIGNED BY CONTROLLING AGENCYTRIPLE-LOK 37DEG FLARE ENDS
END ITEM IDENTIFICATIONAIRCRAFT
MATERIALSTEEL COMP 316 OR STEEL COMP 304 OVERALL
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4WJJTX-WLN-S?
4WJJTX-WLN-S is a TEE,TUBE.
What is the NSN for 4WJJTX-WLN-S?
4WJJTX-WLN-S is cataloged in the U.S. Government catalog under NSN 4730-01-673-8288. 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.