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391031 — RESISTOR,VARIABLE,NONWIRE WOUND,

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

391031: RESISTOR,VARIABLE,NONWIRE WOUND,.

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include material: RUBBER SYNTHETIC OVERALL, end_style: 90 DEGREE PARALLEL, body_style: STRAIGHT SHAPE, EXTERNAL COUPLING, ring_style: STRAIGHT GAP, shell_type: SOLID, thread_class: 2A A. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-230-6231, 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→ 391031
NSN: 5325-00-230-6231
NIINs: 002306231, 010568719, 011027764, 012903007
FSC: 5325 — Fastening Devices
CAGE: 80249 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
end_style90 DEGREE PARALLEL
body_styleSTRAIGHT SHAPE, EXTERNAL COUPLING
ring_styleSTRAIGHT GAP
shell_typeSOLID
thread_class2A A
usage_designINTERNAL
hole_diameter0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width13.700 INCHES NOMINAL IN
terminal_typeCRIMP SINGLE MATING END SINGLE CONTACT GROUPING
aperture_width11.260 INCHES NOMINAL IN
overall_length21.550 INCHES NOMINAL IN
NSN5325-00-230-6231
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 391031 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
USAGE DESIGN: INTERNAL
•
END STYLE: 90 DEGREE PARALLEL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 CLASS 302,CONDITION A FED SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 0.175 INCHES MINIMUM AND 0.179 INCHES MAXIMUM IN
•
MAJOR THICKNESS: 0.007 INCHES MINIMUM AND 0.013 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 0.077 INCHES MINIMUM AND 0.107 INCHES MAXIMUM IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS
USAGE DESIGNINTERNAL
END STYLE90 DEGREE PARALLEL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 CLASS 302,CONDITION A FED SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER0.175 INCHES MINIMUM AND 0.179 INCHES MAXIMUM IN
MAJOR THICKNESS0.007 INCHES MINIMUM AND 0.013 INCHES MAXIMUM IN
INSIDE DIAMETER0.077 INCHES MINIMUM AND 0.107 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESTRAIGHT GAP
SURFACE TREATMENTPASSIVATE
SUBSTITUTES & CROSS-REFERENCES 7
Z18-5002-501Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
4382-1SSReference document
Same NSN cross-reference
Reference document — Secondary reference
222496-001Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
4382-1SS7Reference document
Same NSN cross-reference
Reference document — Secondary reference
2136796G001Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
00-1058-0001Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 391031?
391031 is a RESISTOR,VARIABLE,NONWIRE WOUND,. It is classified as a MRO (MRO_GENERAL).
What parts can replace 391031?
There are 7 known substitutes for 391031: Z18-5002-501, 4382-1SS, 222496-001 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 391031?
391031 is cataloged in the U.S. Government catalog under NSN 5325-00-230-6231. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.