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91746A979 — THUMBSCREW

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

91746A979: THUMBSCREW.

The THUMBSCREW is a the manufacturer industrial component. Key specifications include end_item_identification: HOWITZER, LIGHT TOWED, 105MM, M119A1 MM, part_name_assigned_by_controlling_agency: KNURLED HEAD THUMB SCREW. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-606-7982, 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
91746A979
NSN: 5305-01-606-7982
FSC: 5305 — Screws
CAGE: 07BY4 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
end_item_identificationHOWITZER, LIGHT TOWED, 105MM, M119A1 MM
part_name_assigned_by_controlling_agencyKNURLED HEAD THUMB SCREW
NSN5305-01-606-7982
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91746A979 · 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
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYKNURLED HEAD THUMB SCREW
END ITEM IDENTIFICATIONHOWITZER, LIGHT TOWED, 105MM, M119A1 MM
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES 1
13034184Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 91746A979?
91746A979 is a THUMBSCREW.
What parts can replace 91746A979?
There is 1 known substitute for 91746A979: 13034184. Substitute compatibility should be verified for your specific system.
What is the NSN for 91746A979?
91746A979 is cataloged in the U.S. Government catalog under NSN 5305-01-606-7982. 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.