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A231B3012 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

A231B3012: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: BUTTON, head_height: 0.091 INCHES MINIMUM AND 0.101 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.347 INCHES MINIMUM AND 0.361 INCHES MAXIMUM IN, thread_length: 0.313 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-988-1499, 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
A231B3012
NSN: 5305-00-988-1499
FSC: 5305 — Screws
CAGE: 70318 — ALLMETAL SCREW PRODUCTS CORP (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleBUTTON
head_height0.091 INCHES MINIMUM AND 0.101 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.347 INCHES MINIMUM AND 0.361 INCHES MAXIMUM IN
thread_length0.313 INCHES MINIMUM IN
fastener_length0.375 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_across_flats0.125 INCHES NOMINAL IN
internal_drive_styleHEXAGON
nominal_thread_diameter0.190 INCHES IN
NSN5305-00-988-1499
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A231B3012 · 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
•
WIDTH ACROSS FLATS: 0.125 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.091 INCHES MINIMUM AND 0.101 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.375 INCHES NOMINAL IN
•
THREAD LENGTH: 0.313 INCHES MINIMUM IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: BUTTON
•
THREAD DIRECTION: RIGHT-HAND
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.125 INCHES NOMINAL IN
HEAD HEIGHT0.091 INCHES MINIMUM AND 0.101 INCHES MAXIMUM IN
FASTENER LENGTH0.375 INCHES NOMINAL IN
THREAD LENGTH0.313 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEBUTTON
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENTPASSIVATE OVERALL
INTERNAL DRIVE STYLEHEXAGON
THREAD CLASS3A A
SUBSTITUTES & CROSS-REFERENCES 3
38031-OF-6Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
38031-3F6Reference document
Same NSN cross-reference
Reference document — Secondary reference
790-303Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 A231B3012?
A231B3012 is a SCREW,CAP,SOCKET HEAD.
What parts can replace A231B3012?
There are 3 known substitutes for A231B3012: 38031-OF-6, 38031-3F6, 790-303. Substitute compatibility should be verified for your specific system.
What is the NSN for A231B3012?
A231B3012 is cataloged in the U.S. Government catalog under NSN 5305-00-988-1499. This indicates validated use in U.S. government and defense supply chains.
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