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Technical Data Sheet
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D4F4 — D4F4

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

D4F4: D4F4.

The D4F4 is a the manufacturer industrial component. Key specifications include thread_class: 2B INTERNAL, thread_direction: RIGHT-HAND INTERNAL, nominal_thread_size: 0.500 INCHES INTERNAL IN, end_item_identification: 016595057, thread_series_designator: NPTF INTERNAL, part_name_assigned_by_controlling_agency: HOSE COUPLING PLUG, FEMALE. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-236-3028, 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
D4F4
NSN: 4730-01-236-3028
NIINs: 012363028, 016727783
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 95138 — DIXON VALVE & COUPLING COMPANY, LLC (USA)
SPECIFICATIONS
thread_class2B INTERNAL
thread_directionRIGHT-HAND INTERNAL
nominal_thread_size0.500 INCHES INTERNAL IN
end_item_identification016595057
thread_series_designatorNPTF INTERNAL
part_name_assigned_by_controlling_agencyHOSE COUPLING PLUG, FEMALE
NSN4730-01-236-3028
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: D4F4 · 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

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 D4F4?
D4F4 is a D4F4.
What is the NSN for D4F4?
D4F4 is cataloged in the U.S. Government catalog under NSN 4730-01-236-3028. 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.