PartsTable
Technical Data Sheet
Download PDF

4HF4-B — COUPLING HALF,QUICK DISCONNECT

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

4HF4-B: COUPLING HALF,QUICK DISCONNECT.

The COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, overall_length: 2.86 INCHES NOMINAL IN, connection_type: INTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END, style_designator: FEMALE COUPLING HALF, nominal_thread_size: 0.50 INCHES FIRST FLUID END CONNECTION IN, nominal_outside_diameter: 1.86 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-680-4103, 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
4HF4-B
NSN: 4730-01-680-4103
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 72661 — DIXON VALVE & COUPLING COMPANY, LLC DIV DIXON FIRE (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
overall_length2.86 INCHES NOMINAL IN
connection_typeINTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END
style_designatorFEMALE COUPLING HALF
nominal_thread_size0.50 INCHES FIRST FLUID END CONNECTION IN
nominal_outside_diameter1.86 INCHES IN
thread_quantity_per_inch14 FIRST FLUID END CONNECTION
thread_series_designatorNPTF FIRST FLUID END CONNECTION
nominal_width_across_flats1.3125 INCHES IN
NSN4730-01-680-4103
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4HF4-B · 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 WIDTH ACROSS FLATS: 1.3125 INCHES IN
•
CONNECTION TYPE: INTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END
•
STYLE DESIGNATOR: FEMALE COUPLING HALF
•
NOMINAL THREAD SIZE: 0.50 INCHES FIRST FLUID END CONNECTION IN
•
NOMINAL OUTSIDE DIAMETER: 1.86 INCHES IN
•
THREAD QUANTITY PER INCH: 14 FIRST FLUID END CONNECTION
•
MATERIAL: COPPER ALLOY BODY
TECHNICAL CHARACTERISTICS
NOMINAL WIDTH ACROSS FLATS1.3125 INCHES IN
CONNECTION TYPEINTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END
STYLE DESIGNATORFEMALE COUPLING HALF
OVERALL LENGTH2.86 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.50 INCHES FIRST FLUID END CONNECTION IN
NOMINAL OUTSIDE DIAMETER1.86 INCHES IN
THREAD QUANTITY PER INCH14 FIRST FLUID END CONNECTION
MATERIALCOPPER ALLOY BODY
THREAD SERIES DESIGNATORNPTF FIRST FLUID END CONNECTION
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
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy 4HF4-B?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 4HF4-B?
4HF4-B is a COUPLING HALF,QUICK DISCONNECT.
What is the NSN for 4HF4-B?
4HF4-B is cataloged in the U.S. Government catalog under NSN 4730-01-680-4103. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 4HF4-B