LS5995-5-59 — BOLT,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

LS5995-5-59: BOLT,CLOSE TOLERANCE.

The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: DOUBLE HEXAGON W/HOLE, grip_length: 3.677 INCHES MINIMUM AND 3.697 INCHES MAXIMUM IN, head_height: 0.309 INCHES MINIMUM AND 0.329 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-043-1877, 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

LS5995-5-59

NSN: 5306-01-043-1877
FSC: 5306 — Bolts
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)

SPECIFICATIONS

material	STEEL OVERALL
head_style	DOUBLE HEXAGON W/HOLE
grip_length	3.677 INCHES MINIMUM AND 3.697 INCHES MAXIMUM IN
head_height	0.309 INCHES MINIMUM AND 0.329 INCHES MAXIMUM IN
thread_class	3A A
grip_diameter	0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN
thread_length	0.595 INCHES MINIMUM AND 0.645 INCHES MAXIMUM IN
surface_finish	32.0 MICROINCHES GRIP
fastener_length	4.292 INCHES MINIMUM AND 4.322 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
surface_treatment	CADMIUM OVERALL
width_between_flats	0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN
NSN	5306-01-043-1877

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 32.0 MICROINCHES GRIP

•

EXTENDED WASHER THICKNESS: 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN

•

HEAD HEIGHT: 0.309 INCHES MINIMUM AND 0.329 INCHES MAXIMUM IN

•

FASTENER LENGTH: 4.292 INCHES MINIMUM AND 4.322 INCHES MAXIMUM IN

•

EXTENDED WASHER DIAMETER: 0.575 INCHES MINIMUM AND 0.585 INCHES MAXIMUM IN

•

THREAD LENGTH: 0.595 INCHES MINIMUM AND 0.645 INCHES MAXIMUM IN

•

NOMINAL THREAD DIAMETER: 0.312 INCHES IN

TECHNICAL CHARACTERISTICS

SURFACE FINISH	32.0 MICROINCHES GRIP
SURFACE FINISH	32.0 MICROINCHES BEARING SURFACE OF HEAD
EXTENDED WASHER THICKNESS	0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
HEAD HEIGHT	0.309 INCHES MINIMUM AND 0.329 INCHES MAXIMUM IN
FASTENER LENGTH	4.292 INCHES MINIMUM AND 4.322 INCHES MAXIMUM IN
EXTENDED WASHER DIAMETER	0.575 INCHES MINIMUM AND 0.585 INCHES MAXIMUM IN
THREAD LENGTH	0.595 INCHES MINIMUM AND 0.645 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER	0.312 INCHES IN
HEAD STYLE	DOUBLE HEXAGON W/HOLE
THREAD DIRECTION	RIGHT-HAND

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 2

STSBG003A57059Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

STSBG003A5U059Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 LS5995-5-59?

LS5995-5-59 is a BOLT,CLOSE TOLERANCE.

What parts can replace LS5995-5-59?

There are 2 known substitutes for LS5995-5-59: STSBG003A57059, STSBG003A5U059. Substitute compatibility should be verified for your specific system.

What is the NSN for LS5995-5-59?

LS5995-5-59 is cataloged in the U.S. Government catalog under NSN 5306-01-043-1877. This indicates validated use in U.S. government and defense supply chains.

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