AIC549-4-12 — BOLT,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

AIC549-4-12: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP H11 OVERALL, head_style: DOUBLE HEXAGON, grip_length: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN, head_height: 0.154 INCHES MINIMUM AND 0.174 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.268 INCHES MINIMUM AND 0.318 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-101-3158, 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

AIC549-4-12

NSN: 5306-01-101-3158
FSC: 5306 — Bolts
CAGE: 06725 — SPS TECHNOLOGIES, LLC DBA AIR INDUSTRIES COMPANY DIV AIR INDUSTRIES COMPANY (USA)

SPECIFICATIONS

material	STEEL COMP H11 OVERALL
head_style	DOUBLE HEXAGON
grip_length	0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
head_height	0.154 INCHES MINIMUM AND 0.174 INCHES MAXIMUM IN
thread_class	3A A
thread_length	0.268 INCHES MINIMUM AND 0.318 INCHES MAXIMUM IN
surface_finish	32.0 MICROINCHES BEARING SURFACE OF HEAD
fastener_length	1.028 INCHES MINIMUM AND 1.058 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
features_provided	FINISHED HEAD
surface_treatment	CADMIUM OVERALL
width_between_flats	0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
NSN	5306-01-101-3158

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 32.0 MICROINCHES THREADS

•

HEAD HEIGHT: 0.154 INCHES MINIMUM AND 0.174 INCHES MAXIMUM IN

•

FASTENER LENGTH: 1.028 INCHES MINIMUM AND 1.058 INCHES MAXIMUM IN

•

THREAD LENGTH: 0.268 INCHES MINIMUM AND 0.318 INCHES MAXIMUM IN

•

SHANK UNTHREADED HOLE DIAMETER: 0.075 INCHES MINIMUM AND 0.080 INCHES MAXIMUM FIRST HOLE IN

•

NOMINAL THREAD DIAMETER: 0.250 INCHES IN

TECHNICAL CHARACTERISTICS

SURFACE FINISH	32.0 MICROINCHES THREADS
SURFACE FINISH	32.0 MICROINCHES GRIP
SURFACE FINISH	32.0 MICROINCHES BEARING SURFACE OF HEAD
HEAD HEIGHT	0.154 INCHES MINIMUM AND 0.174 INCHES MAXIMUM IN
FASTENER LENGTH	1.028 INCHES MINIMUM AND 1.058 INCHES MAXIMUM IN
THREAD LENGTH	0.268 INCHES MINIMUM AND 0.318 INCHES MAXIMUM IN
SHANK UNTHREADED HOLE DIAMETER	0.075 INCHES MINIMUM AND 0.080 INCHES MAXIMUM FIRST HOLE IN
NOMINAL THREAD DIAMETER	0.250 INCHES IN
FEATURES PROVIDED	FINISHED HEAD
HEAD STYLE	DOUBLE HEXAGON

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 3

VS3071F4-12DSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

549-4-12Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

5306PL1497709Reference document

Same NSN cross-reference

Reference document — Informative reference only

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 AIC549-4-12?

AIC549-4-12 is a BOLT,MACHINE.

What parts can replace AIC549-4-12?

There are 3 known substitutes for AIC549-4-12: VS3071F4-12D, 549-4-12, 5306PL1497709. Substitute compatibility should be verified for your specific system.

What is the NSN for AIC549-4-12?

AIC549-4-12 is cataloged in the U.S. Government catalog under NSN 5306-01-101-3158. This indicates validated use in U.S. government and defense supply chains.

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