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121-403 — SWEEPER,ROTARY,VEHICLE MOUNTING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

121-403: SWEEPER,ROTARY,VEHICLE MOUNTING.

SWEEPER,ROTARY,VEHICLE MOUNTING. Key specifications include end_item_identification: SWEEPSTER CO. INC.

RUNWAY SWEEPER. This part is cataloged in the U.S. Government catalog under NSN 5306-00-846-3246, 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
121-403
NSN: 5306-00-846-3246
NIINs: 008463246, 014155675
FSC: 5306 — Bolts
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
end_item_identificationSWEEPSTER CO. INC. RUNWAY SWEEPER
NSN5306-00-846-3246
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 121-403 · 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: 0.736 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.656 INCHES MINIMUM AND 2.750 INCHES MAXIMUM IN
•
THREAD LENGTH: 1.250 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN
•
HARDNESS RATING: 32.0 ROCKWELL C NOMINAL OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: GM-300-7 FSCM 24617 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
FEATURES PROVIDED: UNFINISHED HEAD
•
HEAD STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.736 INCHES NOMINAL IN
FASTENER LENGTH2.656 INCHES MINIMUM AND 2.750 INCHES MAXIMUM IN
THREAD LENGTH1.250 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN
HARDNESS RATING32.0 ROCKWELL C NOMINAL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONGM-300-7 FSCM 24617 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.500 INCHES IN
FEATURES PROVIDEDUNFINISHED HEAD
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.736 INCHES MINIMUM IN
SUBSTITUTES & CROSS-REFERENCES 3
A721050C275Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
5306008463246Reference document
Same NSN cross-reference
Reference document — Informative reference only
9409203Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 121-403?
121-403 is a SWEEPER,ROTARY,VEHICLE MOUNTING.
What parts can replace 121-403?
There are 3 known substitutes for 121-403: A721050C275, 5306008463246, 9409203. Substitute compatibility should be verified for your specific system.
What is the NSN for 121-403?
121-403 is cataloged in the U.S. Government catalog under NSN 5306-00-846-3246. 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.