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A-24A4-912 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

A-24A4-912: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 430 OVERALL, head_style: SPADESPADE, head_height: 0.781 INCHES NOMINAL0.781 INCHES NOMINAL IN, head_length: 0.219 INCHES NOMINAL0.219 INCHES NOMINAL IN, thread_class: 2A2A, thread_length: 0.344 INCHES MINIMUM0.344 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-133-0140, 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
A-24A4-912
NSN: 5306-01-133-0140
FSC: 5306 — Bolts
CAGE: 79251 — WENCO MFG CO (USA)
SPECIFICATIONS
materialSTEEL COMP 430 OVERALL
head_styleSPADESPADE
head_height0.781 INCHES NOMINAL0.781 INCHES NOMINAL IN
head_length0.219 INCHES NOMINAL0.219 INCHES NOMINAL IN
thread_class2A2A
thread_length0.344 INCHES MINIMUM0.344 INCHES MINIMUM IN
fastener_length1.188 INCHES NOMINAL1.188 INCHES NOMINAL IN
special_featuresTWO 0.125 IN. DIA. HOLES IN HEAD,0.312 IN. APARTTWO 0.125 IN. DIA. HOLES IN HEAD,0.312 IN. APART IN
thread_directionRIGHT-HANDRIGHT-HAND
surface_treatmentPASSIVATE OVERALLPASSIVATE OVERALL
width_between_flats0.031 INCHES NOMINAL0.031 INCHES NOMINAL IN
nominal_thread_diameter0.112 INCHES0.112 INCHES IN
NSN5306-01-133-0140
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A-24A4-912 · 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: 0.781 INCHES NOMINAL0.781 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.188 INCHES NOMINAL1.188 INCHES NOMINAL IN
•
THREAD LENGTH: 0.344 INCHES MINIMUM0.344 INCHES MINIMUM IN
•
NOMINAL THREAD DIAMETER: 0.112 INCHES0.112 INCHES IN
•
HEAD STYLE: SPADESPADE
•
THREAD DIRECTION: RIGHT-HANDRIGHT-HAND
•
HEAD LENGTH: 0.219 INCHES NOMINAL0.219 INCHES NOMINAL IN
•
WIDTH BETWEEN FLATS: 0.031 INCHES NOMINAL0.031 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.781 INCHES NOMINAL0.781 INCHES NOMINAL IN
FASTENER LENGTH1.188 INCHES NOMINAL1.188 INCHES NOMINAL IN
THREAD LENGTH0.344 INCHES MINIMUM0.344 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER0.112 INCHES0.112 INCHES IN
HEAD STYLESPADESPADE
THREAD DIRECTIONRIGHT-HANDRIGHT-HAND
HEAD LENGTH0.219 INCHES NOMINAL0.219 INCHES NOMINAL IN
WIDTH BETWEEN FLATS0.031 INCHES NOMINAL0.031 INCHES NOMINAL IN
SPECIAL FEATURESTWO 0.125 IN. DIA. HOLES IN HEAD,0.312 IN. APARTTWO 0.125 IN. DIA. HOLES IN HEAD,0.312 IN. APART IN
SURFACE TREATMENTPASSIVATE OVERALLPASSIVATE OVERALL
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES 1
397958-1Reference document
Same NSN cross-reference
Reference document — Vendor item drawing 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 A-24A4-912?
A-24A4-912 is a BOLT,MACHINE.
What parts can replace A-24A4-912?
There is 1 known substitute for A-24A4-912: 397958-1. Substitute compatibility should be verified for your specific system.
What is the NSN for A-24A4-912?
A-24A4-912 is cataloged in the U.S. Government catalog under NSN 5306-01-133-0140. 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.