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Technical Data Sheet
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28HS ✓ 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 CLAMP,HOSE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, overall_width: 0.500 INCHES NOMINAL IN, inside_diameter: 1.312 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN, style_designator: WIRE, fastening_device_type: SLOTTED HEXAGON HEAD SCREW. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-254-7379, 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
28HS
NSN: 4730-01-254-7379
FSC: 4730
CAGE: 66295 — WITTEK COMPANIES INTL INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
overall_width0.500 INCHES NOMINAL IN
inside_diameter1.312 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN
style_designatorWIRE
fastening_device_typeSLOTTED HEXAGON HEAD SCREW
NSN4730-01-254-7379
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 28HS · 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
•
STYLE DESIGNATOR: WIRE
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
FASTENING DEVICE TYPE: SLOTTED HEXAGON HEAD SCREW
•
INSIDE DIAMETER: 1.312 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH0.500 INCHES NOMINAL IN
STYLE DESIGNATORWIRE
MATERIALSTEEL CORROSION RESISTING OVERALL
FASTENING DEVICE TYPESLOTTED HEXAGON HEAD SCREW
INSIDE DIAMETER1.312 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
940-28Interchangeable
interchangeable cross-reference
interchangeable
F12675-28Interchangeable
interchangeable cross-reference
interchangeable
640-28Interchangeable
interchangeable cross-reference
interchangeable
M-2756Interchangeable
interchangeable cross-reference
interchangeable
64028-1Interchangeable
interchangeable cross-reference
interchangeable
AM-7633/GInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 28HS?
28HS is a CLAMP,HOSE.
What parts can replace 28HS?
There are 13 known substitutes for 28HS: 940-28, F12675-28, 640-28 and 10 more. Substitute compatibility should be verified for your specific system.
Is 28HS still available?
28HS 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