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191985 — RESISTOR,FIXED,WIRE WOUND,INDUCT

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

191985: RESISTOR,FIXED,WIRE WOUND,INDUCT.

RESISTOR,FIXED,WIRE WOUND,INDUCT. Key specifications include head_style: PAN, body_length: 2.125 INCHES NOMINAL IN, head_height: 0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN, thread_class: 2A A, body_diameter: 0.562 INCHES NOMINAL IN, head_diameter: 0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-499-7694, 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→ 191985
NSN: 5305-00-499-7694
NIINs: 004997694, 010845619
FSC: 5305 — Screws
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
head_stylePAN
body_length2.125 INCHES NOMINAL IN
head_height0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
thread_class2A A
body_diameter0.562 INCHES NOMINAL IN
head_diameter0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN
terminal_typeTAB W/WIRE LEAD
thread_length0.341 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
inclosure_typeENCAPSULATED
fastener_length0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
hardness_rating30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM FASTENER
terminal_length0.874 INCHES MAXIMUM IN
NSN5305-00-499-7694
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 191985 · 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
•
HEAD HEIGHT: 0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: G-4252M,FSCM 24617 MFR REF ALL TREATMENT RESPONSES OVERALL
•
PRIMARY WASHER OUTSIDE DIAMETER: 0.494 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.341 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
•
HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM FASTENER
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD ALL MATERIAL RESPONSES PRIMARY WASHER
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
FASTENER LENGTH0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONG-4252M,FSCM 24617 MFR REF ALL TREATMENT RESPONSES OVERALL
PRIMARY WASHER OUTSIDE DIAMETER0.494 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
THREAD LENGTH0.341 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM FASTENER
HARDNESS RATING40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM PRIMARY WASHER
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD ALL MATERIAL RESPONSES PRIMARY WASHER
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD ALL MATERIAL RESPONSES FASTENER
NOMINAL THREAD DIAMETER0.250 INCHES IN
SUBSTITUTES & CROSS-REFERENCES 5
454542Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
7539392Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
FF-S-92Reference document
Same NSN cross-reference
Reference document — Identification reference
973551Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
5305PL0725642Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 191985?
191985 is a RESISTOR,FIXED,WIRE WOUND,INDUCT. It is classified as a MRO (MRO_GENERAL).
What parts can replace 191985?
There are 5 known substitutes for 191985: 454542, 7539392, FF-S-92 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 191985?
191985 is cataloged in the U.S. Government catalog under NSN 5305-00-499-7694. This indicates validated use in U.S. government and defense supply chains.
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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.