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Technical Data Sheet
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721303 ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The ADAPTER,STRAIGHT,PIPE TO HOSE is a the manufacturer industrial component. Key specifications include color: BLUE OVERALL, height: 0.574 INCHES MINIMUM AND 0.621 INCHES MAXIMUM IN, diameter: 0.204 INCHES NOMINAL IN, material: STEEL OVERALL, point_type: CONVENTIONAL, point_angle: 118.0 DEGREES NOMINAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-392-9056, 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
721303
NSN: 4730-00-392-9056
FSC: 4730
CAGE: 07334 — ITW INDUSTRIAL FINISHING DBA BINKS DEVILBISS (USA)
SPECIFICATIONS
colorBLUE OVERALL
height0.574 INCHES MINIMUM AND 0.621 INCHES MAXIMUM IN
diameter0.204 INCHES NOMINAL IN
materialSTEEL OVERALL
point_typeCONVENTIONAL
point_angle118.0 DEGREES NOMINAL
shank_styleSTANDARD TAPER W/TANG
flute_length9.250 INCHES NOMINAL IN
emission_typeF4
end_item_namePICKUP TRUCK
overall_width1.310 INCHES NOMINAL IN
terminal_typeCONNECTOR, RECEPTACLE
NSN4730-00-392-9056
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 721303 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
3038-9012PC4Interchangeable
interchangeable cross-reference
interchangeable
4Interchangeable
interchangeable cross-reference
interchangeable
6R4Interchangeable
interchangeable cross-reference
interchangeable
110 1-15/32Interchangeable
interchangeable cross-reference
interchangeable
C12304Interchangeable
interchangeable cross-reference
interchangeable
53194Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 721303?
721303 is a ADAPTER,STRAIGHT,PIPE TO HOSE.
What parts can replace 721303?
There are 19 known substitutes for 721303: 3038-9012PC4, 4, 6R4 and 16 more. Substitute compatibility should be verified for your specific system.
Is 721303 still available?
721303 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026