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4U6HU6-S-WLK — UNION,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

4U6HU6-S-WLK: UNION,TUBE.

The UNION,TUBE is a the manufacturer industrial component. Key specifications include thread_class: 2B ALL ENDS, connection_type: THREADED INTERNAL TUBE ALL ENDS, nominal_thread_size: 0.437 INCHES ALL ENDS IN, thread_quantity_per_inch: 20 ALL ENDS, thread_series_designator: UNF ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-716-1405, 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
4U6HU6-S-WLK
NSN: 4730-01-716-1405
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 1H392 — AFP INDUSTRIES, INC. DBA AFP INDUSTRIES INC (USA)
SPECIFICATIONS
thread_class2B ALL ENDS
connection_typeTHREADED INTERNAL TUBE ALL ENDS
nominal_thread_size0.437 INCHES ALL ENDS IN
thread_quantity_per_inch20 ALL ENDS
thread_series_designatorUNF ALL ENDS
NSN4730-01-716-1405
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4U6HU6-S-WLK · 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
•
CONNECTION TYPE: THREADED INTERNAL TUBE ALL ENDS
•
NOMINAL THREAD SIZE: 0.437 INCHES ALL ENDS IN
•
THREAD CLASS: 2B ALL ENDS
•
THREAD QUANTITY PER INCH: 20 ALL ENDS
•
THREAD SERIES DESIGNATOR: UNF ALL ENDS
TECHNICAL CHARACTERISTICS
CONNECTION TYPETHREADED INTERNAL TUBE ALL ENDS
NOMINAL THREAD SIZE0.437 INCHES ALL ENDS IN
THREAD CLASS2B ALL ENDS
THREAD QUANTITY PER INCH20 ALL ENDS
THREAD SERIES DESIGNATORUNF ALL ENDS
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
1366AS1148Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4U6HU6-S-WLK?
4U6HU6-S-WLK is a UNION,TUBE.
What parts can replace 4U6HU6-S-WLK?
There is 1 known substitute for 4U6HU6-S-WLK: 1366AS1148. Substitute compatibility should be verified for your specific system.
What is the NSN for 4U6HU6-S-WLK?
4U6HU6-S-WLK is cataloged in the U.S. Government catalog under NSN 4730-01-716-1405. 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.