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304691C1 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

304691C1: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1020 OVERALL, hole_type: DRILLED, head_style: HEXAGON, grip_length: 1.000 INCHES NOMINAL IN, head_height: 0.219 INCHES MINIMUM IN, thread_class: 2A A. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-930-1427, 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
304691C1
NSN: 5306-00-930-1427
FSC: 5306 — Bolts
CAGE: 31007 — NAVISTAR INTERNATIONAL CORPORATION DBA NAVISTAR (USA)
SPECIFICATIONS
materialSTEEL COMP 1020 OVERALL
hole_typeDRILLED
head_styleHEXAGON
grip_length1.000 INCHES NOMINAL IN
head_height0.219 INCHES MINIMUM IN
thread_class2A A
hole_diameter0.078 INCHES NOMINAL IN
hole_quantity1
thread_length0.875 INCHES MINIMUM IN
fastener_length1.875 INCHES NOMINAL IN
hardness_rating34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
special_features70 PCT LOCK THD
NSN5306-00-930-1427
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 304691C1 · 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: 0.219 INCHES MINIMUM IN
•
FASTENER LENGTH: 1.875 INCHES NOMINAL IN
•
THREAD LENGTH: 0.875 INCHES MINIMUM IN
•
HARDNESS RATING: 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
•
HOLE CONFIGURATION STYLE: HEXAGON LONGITUDINAL HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
FEATURES PROVIDED: FINISHED HEAD
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.219 INCHES MINIMUM IN
FASTENER LENGTH1.875 INCHES NOMINAL IN
THREAD LENGTH0.875 INCHES MINIMUM IN
HARDNESS RATING34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HOLE CONFIGURATION STYLEHEXAGON LONGITUDINAL HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
SUBSTITUTES & CROSS-REFERENCES 1
224797Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 304691C1?
304691C1 is a BOLT,MACHINE.
What parts can replace 304691C1?
There is 1 known substitute for 304691C1: 224797. Substitute compatibility should be verified for your specific system.
What is the NSN for 304691C1?
304691C1 is cataloged in the U.S. Government catalog under NSN 5306-00-930-1427. 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.