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Technical Data Sheet
PartsTable / COMPONENT / 279025R91
279025R91 ✓ 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 phase: SINGLE INPUT, material: COPPER ALLOY SINGLE TUBING SEGMENT, flexibility: FLEXIBLE ALL TUBING SEGMENT, power_rating: 0.750 HORSEPOWER INPUT, wall_thickness: 0.438 INCHES NOMINAL IN, working_length: 22.000 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-556-5477, 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
279025R91
NSN: 4730-01-556-5477
FSC: 4730
CAGE: 338X5 — ND DEFENSE LLC (USA)
SPECIFICATIONS
phaseSINGLE INPUT
materialCOPPER ALLOY SINGLE TUBING SEGMENT
flexibilityFLEXIBLE ALL TUBING SEGMENT
power_rating0.750 HORSEPOWER INPUT
wall_thickness0.438 INCHES NOMINAL IN
working_length22.000 INCHES NOMINAL IN
flange_quantity2
inside_diameter2.500 INCHES NOMINAL IN
special_featuresFLANGE CONNECTION FACILITIES QTY 4
style_designatorSTRAIGHT CORRUGATED
frequency_in_hertz60.0 INPUT
fsc_application_dataANTENNA-RECEIVER-TRANSMITTER-GROUP,MISSILE TRACKINGANTENNA-RECEIVER-TRANSMITTER-GROUP,MISSILE TRACKING
NSN4730-01-556-5477
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 279025R91 · 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 15
MS35927-13Interchangeable
interchangeable cross-reference
interchangeable
B51124-14Interchangeable
interchangeable cross-reference
interchangeable
W1063Interchangeable
interchangeable cross-reference
interchangeable
45025Interchangeable
interchangeable cross-reference
interchangeable
TS57126Interchangeable
interchangeable cross-reference
interchangeable
10044209Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 279025R91?
279025R91 is a CLAMP,HOSE.
What parts can replace 279025R91?
There are 15 known substitutes for 279025R91: MS35927-13, B51124-14, W1063 and 12 more. Substitute compatibility should be verified for your specific system.
Is 279025R91 still available?
279025R91 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