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Technical Data Sheet
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1088977-3 — Technical Data Sheet

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— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

RESISTOR,VARIABLE,WIRE WOUND,NON. Key specifications include material: STEEL, body_style: CYLINDRICAL BUSHING MOUNTED, bore_shape: TAPERED, body_length: 0.625 INCHES MAXIMUM IN, bore_length: 1.1700 INCHES NOMINAL IN, shaft_style: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 3010-00-899-4487, 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→ 1088977-3
NSN: 3010-00-899-4487
FSC: 3010
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL
body_styleCYLINDRICAL BUSHING MOUNTED
bore_shapeTAPERED
body_length0.625 INCHES MAXIMUM IN
bore_length1.1700 INCHES NOMINAL IN
shaft_styleROUND
shaft_length0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN
actuator_typeSINGLE SHAFT
body_diameter0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
overall_length1.170 INCHES NOMINAL IN
shaft_diameter0.124 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
mounting_methodSTANDARD BUSHING
NSN3010-00-899-4487
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,WIRE WOUND,NON TITLE COMPONENT PN 1088977-3 MFR RESISTOR,VARIABLE,WIRE
KEY FEATURES
•
BORE SHAPE: TAPERED
•
MATERIAL DOCUMENT AND CLASSIFICATION: S.A.E., 1112 ASSN STD SINGLE MATERIAL RESPONSE
•
BODY STYLE: MULTIPLE POSITIONING HOLES, RAISED FACE
•
TAPER LARGEST DIAMETER: 0.7119 INCHES NOMINAL IN
•
BORE LENGTH: 1.1700 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
BORE SHAPETAPERED
MATERIAL DOCUMENT AND CLASSIFICATIONS.A.E., 1112 ASSN STD SINGLE MATERIAL RESPONSE
BODY STYLEMULTIPLE POSITIONING HOLES, RAISED FACE
TAPER LARGEST DIAMETER0.7119 INCHES NOMINAL IN
SPECIAL FEATURESFSC APPLICATION DATA:METERING AND DISTRIBUTING FUEL PUMP,ENGINE,NON-AIRCRAFT; BORE THREAD SIZE DESIGNATOR:3/8-24 UNF 3B; RAISED FACE THICKNESS:0.340" NOM.; POSITIONING FACILITY BOLT CIRCLE DIA.:2.250" NOM.; POSITIONG FACILITY QTY:3; POSITIONING HOLE STYLE:TAPPED; BORE COUNTERBORE FEATURE:NOT INCLUDED; KEYING FACILITY TYPE:KEYWAY; KEYING FACILITY:INCLUDED; O/A OUTSIDE DIMENSION:3" NOM.; HUB OD:1.260" NOM.; RAISED FACE DIA.:1.495" MIN., 1.499" MAX.; THREAD PROVISION:UNTHREADED; DISTANCE FORM CENTER OF BORE TO BOTTOM OF KEYWAY:0.4439" NOM.; KEYWAY WD:0.1588" NOM.; TAPER MINOR DIA.:0.620" NOM.; FLANGE THICKNESS:0.400" NOM.
OVERALL LENGTH1.170 INCHES NOMINAL IN
BORE LENGTH1.1700 INCHES NOMINAL IN
MATERIALSTEEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
G395808-5InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AP1-2 521-5InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
554InterchangeableGOVERNMENT REGISTRY
Resistor,variable,wire Wound,non
interchangeable
AP05C530-8InterchangeableGOVERNMENT REGISTRY
Resistor,variable,wire Wound,non
interchangeable
57EMAX-500OHMS5PCTInterchangeableGOVERNMENT REGISTRY
Resistor,variable,wire Wound,non
interchangeable
57EM5InterchangeableGOVERNMENT REGISTRY
Resistor,variable,wire Wound,non
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1088977-3?
1088977-3 is a RESISTOR,VARIABLE,WIRE WOUND,NON. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1088977-3?
There are 7 known substitutes for 1088977-3: G395808-5, AP1-2 521-5, 554 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1088977-3?
1088977-3 is cataloged in the Federal Logistics Information System under NSN 3010-00-899-4487. This indicates validated use in U.S. government and defense supply chains.
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Last verified: October 2026