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4638K615 — MANIFOLD,REFUEL AND DUMP LINES

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

4638K615: MANIFOLD,REFUEL AND DUMP LINES.

The MANIFOLD,REFUEL AND DUMP LINES is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: PIPE LOCKNUT, nut_height: 0.210 INCHES NOMINAL IN, thread_class: 2B, thread_series: NPS, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-365-3587, 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
4638K615
NSN: 4730-01-365-3587
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_stylePIPE LOCKNUT
nut_height0.210 INCHES NOMINAL IN
thread_class2B
thread_seriesNPS
thread_directionRIGHT-HAND
width_across_flats1.380 INCHES NOMINAL IN
nominal_thread_size0.750 INCHES IN
end_item_identificationAIRCRAFT; SUPPORT EQUIPMENT F-16; MISSILE,AIR TO AIR AMRAAM
thread_quantity_per_inch14
NSN4730-01-365-3587
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4638K615 · 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
•
WIDTH ACROSS FLATS: 1.380 INCHES NOMINAL IN
•
THREAD SERIES: NPS
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.750 INCHES IN
•
NUT HEIGHT: 0.210 INCHES NOMINAL IN
•
NUT STYLE: PIPE LOCKNUT
•
THREAD CLASS: 2B
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS1.380 INCHES NOMINAL IN
THREAD SERIESNPS
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.750 INCHES IN
NUT HEIGHT0.210 INCHES NOMINAL IN
NUT STYLEPIPE LOCKNUT
THREAD CLASS2B
END ITEM IDENTIFICATIONAIRCRAFT; SUPPORT EQUIPMENT F-16; MISSILE,AIR TO AIR AMRAAM
THREAD QUANTITY PER INCH14
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
3821992Reference document
Same NSN cross-reference
Reference document — Secondary reference
4557K15Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4638K615?
4638K615 is a MANIFOLD,REFUEL AND DUMP LINES.
What parts can replace 4638K615?
There are 2 known substitutes for 4638K615: 3821992, 4557K15. Substitute compatibility should be verified for your specific system.
What is the NSN for 4638K615?
4638K615 is cataloged in the U.S. Government catalog under NSN 4730-01-365-3587. 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.