1A3103 — BOLT,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

1A3103: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.549 INCHES MINIMUM AND 0.576 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.375 INCHES MAXIMUM IN, fastener_length: 3.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-426-3036, 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

1A3103

NSN: 5306-00-426-3036
FSC: 5306 — Bolts
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)

SPECIFICATIONS

material	STEEL OVERALL
head_style	HEXAGON
head_height	0.549 INCHES MINIMUM AND 0.576 INCHES MAXIMUM IN
thread_class	2A A
thread_length	1.375 INCHES MAXIMUM IN
fastener_length	3.750 INCHES NOMINAL IN
hardness_rating	30.0 ROCKWELL C MAXIMUM OVERALL
special_features	WITH HEADER POINT
thread_direction	RIGHT-HAND
features_provided	FINISHED HEAD
width_between_flats	1.060 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
end_item_identification	LOGISTGICS SUPPORT VESSEL
NSN	5306-00-426-3036

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.549 INCHES MINIMUM AND 0.576 INCHES MAXIMUM IN

•

FASTENER LENGTH: 3.750 INCHES NOMINAL IN

•

THREAD LENGTH: 1.375 INCHES MAXIMUM IN

•

HARDNESS RATING: 30.0 ROCKWELL C MAXIMUM OVERALL

•

NOMINAL THREAD DIAMETER: 0.750 INCHES IN

•

FEATURES PROVIDED: FINISHED HEAD

•

HEAD STYLE: HEXAGON

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.549 INCHES MINIMUM AND 0.576 INCHES MAXIMUM IN
FASTENER LENGTH	3.750 INCHES NOMINAL IN
THREAD LENGTH	1.375 INCHES MAXIMUM IN
HARDNESS RATING	30.0 ROCKWELL C MAXIMUM OVERALL
NOMINAL THREAD DIAMETER	0.750 INCHES IN
FEATURES PROVIDED	FINISHED HEAD
HEAD STYLE	HEXAGON
THREAD DIRECTION	RIGHT-HAND
WIDTH BETWEEN FLATS	1.060 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
SPECIAL FEATURES	WITH HEADER POINT

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

223759Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 1A3103?

1A3103 is a BOLT,MACHINE.

What parts can replace 1A3103?

There is 1 known substitute for 1A3103: 223759. Substitute compatibility should be verified for your specific system.

What is the NSN for 1A3103?

1A3103 is cataloged in the U.S. Government catalog under NSN 5306-00-426-3036. This indicates validated use in U.S. government and defense supply chains.

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