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Technical Data Sheet
PartsTable / COMPONENT / 120281
120281 ✓ 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 TRANSFORMER,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include bearings: NOT INCLUDED, material: IRON CAST OVERALL, bore_type: STRAIGHT, face_width: 2.281 INCHES NOMINAL IN, leg_length: 0.840 INCHES NOMINAL ALL ENDS IN, body_length: 0.125 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-277-7331, 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
120281
NSN: 4730-00-277-7331
FSC: 4730
CAGE: 29510 — KOMATSU AMERICAN INTL CO (USA)
SPECIFICATIONS
bearingsNOT INCLUDED
materialIRON CAST OVERALL
bore_typeSTRAIGHT
face_width2.281 INCHES NOMINAL IN
leg_length0.840 INCHES NOMINAL ALL ENDS IN
body_length0.125 INCHES NOMINAL IN
bore_length2.281 INCHES NOMINAL IN
design_formPLAIN
bore_featureINCLUDED
groove_shapeV
turn_quantity7 SINGLE COMPONENT SINGLE PRIMARY
coil_form_typeSOLID SINGLE COMPONENT
NSN4730-00-277-7331
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 120281 · 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 THREAD SIZE: 0.375 INCHES ALL ENDS IN
•
CONNECTION STYLE: PLAIN (PIPE) ALL ENDS
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
MATERIAL: COPPER ALLOY OVERALL
•
THREAD SERIES DESIGNATOR: NPTF ALL ENDS
•
LEG LENGTH: 0.840 INCHES NOMINAL ALL ENDS IN
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATION3810-00-151-4431,MODEL M320T2, CRANE,TRUCK MOUNTED;2320-01-097-0248,2320-01-097-0249,2320-01-100-7672,2320-01-097-0260,2320-01-195-7641 HEMTT (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS);4210-01-486-1035 TFFT (TACTICAL FIRE FIGHTING TRUCK); HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS)
NOMINAL THREAD SIZE0.375 INCHES ALL ENDS IN
SPECIAL FEATURESSUPPORTS HARNISCHFEGER CORP;ALL THREAD DIRECTIONS RH
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
MATERIALCOPPER ALLOY OVERALL
THREAD SERIES DESIGNATORNPTF ALL ENDS
LEG LENGTH0.840 INCHES NOMINAL ALL ENDS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
101BInterchangeable
interchangeable cross-reference
interchangeable
8327043Interchangeable
interchangeable cross-reference
interchangeable
101CInterchangeable
interchangeable cross-reference
interchangeable
EE-39868Interchangeable
interchangeable cross-reference
interchangeable
345Interchangeable
interchangeable cross-reference
interchangeable
120281Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 120281?
120281 is a TRANSFORMER,RADIO FREQUENCY.
What parts can replace 120281?
There are 26 known substitutes for 120281: 101B, 8327043, 101C and 23 more. Substitute compatibility should be verified for your specific system.
Is 120281 still available?
120281 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