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9409221 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

9409221: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.750 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN, fastener_length: 1.625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-780-8109, 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
9409221
NSN: 5306-00-780-8109
FSC: 5306 — Bolts
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
thread_class2A A
thread_length0.750 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN
fastener_length1.625 INCHES NOMINAL IN
locking_featureDISTORTIONS BEARING SURFACE OF HEAD
thread_directionRIGHT-HAND
features_providedUNFINISHED HEAD
width_between_flats0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
nominal_thread_diameter0.250 INCHES IN
thread_quantity_per_inch28
NSN5306-00-780-8109
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 9409221 · 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: 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.625 INCHES NOMINAL IN
•
THREAD LENGTH: 0.750 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
FEATURES PROVIDED: UNFINISHED HEAD
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
FASTENER LENGTH1.625 INCHES NOMINAL IN
THREAD LENGTH0.750 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
FEATURES PROVIDEDUNFINISHED HEAD
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
LOCKING FEATUREDISTORTIONS BEARING SURFACE OF HEAD
THREAD CLASS2A A
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-004-7044 5306-00-007-6129 5306-00-008-7899 5306-00-009-4739 5306-00-118-7332 5306-00-151-1777 5306-00-255-4507 5306-01-101-2459
SUBSTITUTES & CROSS-REFERENCES 1
5306007808109Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9409221?
9409221 is a BOLT,MACHINE.
What parts can replace 9409221?
There is 1 known substitute for 9409221: 5306007808109. Substitute compatibility should be verified for your specific system.
What is the NSN for 9409221?
9409221 is cataloged in the U.S. Government catalog under NSN 5306-00-780-8109. 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.