U4 — RESISTOR,VARIABLE,NONWIRE WOUND,

✓ Government record, cited

Middle Atlantic Products · MRO · MRO_GENERAL

PRODUCT OVERVIEW

U4: RESISTOR,VARIABLE,NONWIRE WOUND,.

Steel construction, black powder coat finish. Key specifications include phase: THREE, length: 1.125 INCHES NOMINAL IN, diameter: 0.125 INCHES NOMINAL IN, material: COPPER ALLOY TERMINALS, body_style: BARRIER TYPE, body_length: 0.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3455-00-140-3041, 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

MRO→ MRO_GENERAL→ U4

NSN: 3455-00-140-3041
NIINs: 001403041, 002216499, 002270404, 003602459, 008685368, 008690553, 010841371, 013643765
FSC: 3455 — Cutting Tools for Machine Tools
CAGE: 97308 — ATRAX-NEWCARB CORP (USA)

SPECIFICATIONS

phase	THREE
length	1.125 INCHES NOMINAL IN
diameter	0.125 INCHES NOMINAL IN
material	COPPER ALLOY TERMINALS
body_style	BARRIER TYPE
body_length	0.375 INCHES NOMINAL IN
design_type	UNIVERSAL
shaft_style	ROUND
current_type	AC
power_source	ELECTRIC MOTOR
shaft_length	2.375 INCHES NOMINAL IN
usage_design	PROTECTIVE COVER FOR ELECTRICAL RELAY
NSN	3455-00-140-3041

COMPONENT DIAGRAM

KEY FEATURES

•

LENGTH: 1.125 INCHES NOMINAL IN

•

OVERALL DIAMETER: 0.125 INCHES NOMINAL IN

•

CUTTER TOOTH STYLE DESIGNATOR: C1

•

CUTTING SURFACE LENGTH: 0.375 INCHES NOMINAL IN

•

STYLE DESIGNATOR: CONE SHAPE

•

DIAMETER: 0.125 INCHES NOMINAL IN

•

MOUNTING SHANK: INCLUDED

•

REMOVABILITY FEATURE: NOT INCLUDED

TECHNICAL CHARACTERISTICS

LENGTH	1.125 INCHES NOMINAL IN
OVERALL DIAMETER	0.125 INCHES NOMINAL IN
CUTTER TOOTH STYLE DESIGNATOR	C1
CUTTING SURFACE LENGTH	0.375 INCHES NOMINAL IN
STYLE DESIGNATOR	CONE SHAPE
DIAMETER	0.125 INCHES NOMINAL IN
MOUNTING SHANK	INCLUDED
REMOVABILITY FEATURE	NOT INCLUDED
NONDEFINITIVE SPEC/STD DATA	2 TYPE AND A STYLE AND 1 SIZE AND B CLASS
SPECIAL FEATURES	8 DEG INCLUDED ANGLE OF CONE

SUBSTITUTES & CROSS-REFERENCES 8

A-10Reference document

Same NSN cross-reference

Reference document — Secondary reference

SL-41Reference document

Same NSN cross-reference

Reference document — Secondary reference

32.898-1Reference document

Same NSN cross-reference

Reference document — Secondary reference

JU-4Reference document

Same NSN cross-reference

Reference document — Secondary reference

A-A-51176Reference document

Same NSN cross-reference

Reference document — Identification reference

AA51176A-2A1BSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is U4?

U4 is a RESISTOR,VARIABLE,NONWIRE WOUND, manufactured by Middle Atlantic Products. It is classified as a MRO (MRO_GENERAL).

What parts can replace U4?

There are 8 known substitutes for U4: A-10, SL-41, 32.898-1 and 5 more. Substitute compatibility should be verified for your specific system.

What is the NSN for U4?

U4 is cataloged in the U.S. Government catalog under NSN 3455-00-140-3041. This indicates validated use in U.S. government and defense supply chains.

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U4 — RESISTOR,VARIABLE,NONWIRE WOUND,

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