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A3091 — RESISTOR,FIXED,COMPOSITION

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

A3091: RESISTOR,FIXED,COMPOSITION.

The RESISTOR,FIXED,COMPOSITION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1035 OVERALL, hole_type: DRILLED, head_style: HEXAGON, head_height: 0.281 INCHES NOMINAL IN, thread_class: 2A A, hole_diameter: 0.062 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-298-7986, 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
A3091
NSN: 5305-00-298-7986
NIINs: 002987986, 007343604, 009790108, 014253143
FSC: 5305 — Screws
CAGE: 93343 — WHITE FARM EQUIPMENT CO SUB OF TIC INVESTMENT CORP
SPECIFICATIONS
materialSTEEL COMP 1035 OVERALL
hole_typeDRILLED
head_styleHEXAGON
head_height0.281 INCHES NOMINAL IN
thread_class2A A
hole_diameter0.062 INCHES NOMINAL IN
hole_quantity1
thread_length1.000 INCHES NOMINAL IN
overall_length0.260 INCHES MAXIMUM IN
fastener_length1.500 INCHES NOMINAL IN
hardness_rating20.3 ROCKWELL C MINIMUM AND 26.6 ROCKWELL C MAXIMUM OVERALL
mounting_methodTERMINAL
NSN5305-00-298-7986
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A3091 · 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: 0.281 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.500 INCHES NOMINAL IN
•
THREAD LENGTH: 1.000 INCHES NOMINAL IN
•
HARDNESS RATING: 20.3 ROCKWELL C MINIMUM AND 26.6 ROCKWELL C MAXIMUM OVERALL
•
HOLE CONFIGURATION STYLE: HEXAGON FLATS
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 MIL STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
HEAD STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.281 INCHES NOMINAL IN
FASTENER LENGTH1.500 INCHES NOMINAL IN
THREAD LENGTH1.000 INCHES NOMINAL IN
HARDNESS RATING20.3 ROCKWELL C MINIMUM AND 26.6 ROCKWELL C MAXIMUM OVERALL
HOLE CONFIGURATION STYLEHEXAGON FLATS
MATERIAL DOCUMENT AND CLASSIFICATION66 MIL STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.562 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
472176Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A3091?
A3091 is a RESISTOR,FIXED,COMPOSITION.
What parts can replace A3091?
There is 1 known substitute for A3091: 472176. Substitute compatibility should be verified for your specific system.
What is the NSN for A3091?
A3091 is cataloged in the U.S. Government catalog under NSN 5305-00-298-7986. 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.