81508-7-46 — BOLT,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

81508-7-46: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include head_style: DOUBLE HEXAGON EXTENDED WASHER, head_height: 0.464 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.665 INCHES NOMINAL IN, fastener_length: 3.525 INCHES MINIMUM AND 3.555 INCHES MAXIMUM IN, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-167-0462, 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

81508-7-46

NSN: 5306-01-167-0462
FSC: 5306 — Bolts
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)

SPECIFICATIONS

head_style	DOUBLE HEXAGON EXTENDED WASHER
head_height	0.464 INCHES NOMINAL IN
thread_class	3A A
thread_length	0.665 INCHES NOMINAL IN
fastener_length	3.525 INCHES MINIMUM AND 3.555 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
width_between_flats	0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
nominal_thread_diameter	0.437 INCHES IN
extended_washer_diameter	0.820 INCHES MINIMUM AND 0.830 INCHES MAXIMUM IN
thread_quantity_per_inch	20
thread_series_designator	UNIFIED NATIONAL JOINT FINE (UNJF)
extended_washer_thickness	0.083 INCHES NOMINAL IN
NSN	5306-01-167-0462

COMPONENT DIAGRAM

KEY FEATURES

•

EXTENDED WASHER THICKNESS: 0.083 INCHES NOMINAL IN

•

HEAD HEIGHT: 0.464 INCHES NOMINAL IN

•

FASTENER LENGTH: 3.525 INCHES MINIMUM AND 3.555 INCHES MAXIMUM IN

•

EXTENDED WASHER DIAMETER: 0.820 INCHES MINIMUM AND 0.830 INCHES MAXIMUM IN

•

THREAD LENGTH: 0.665 INCHES NOMINAL IN

•

NOMINAL THREAD DIAMETER: 0.437 INCHES IN

•

HEAD STYLE: DOUBLE HEXAGON EXTENDED WASHER

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

EXTENDED WASHER THICKNESS	0.083 INCHES NOMINAL IN
HEAD HEIGHT	0.464 INCHES NOMINAL IN
FASTENER LENGTH	3.525 INCHES MINIMUM AND 3.555 INCHES MAXIMUM IN
EXTENDED WASHER DIAMETER	0.820 INCHES MINIMUM AND 0.830 INCHES MAXIMUM IN
THREAD LENGTH	0.665 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER	0.437 INCHES IN
HEAD STYLE	DOUBLE HEXAGON EXTENDED WASHER
THREAD DIRECTION	RIGHT-HAND
WIDTH BETWEEN FLATS	0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
THREAD CLASS	3A A

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

5306PL1498227Reference document

Same NSN cross-reference

Reference document — Informative reference only

K618769-13Same 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 81508-7-46?

81508-7-46 is a BOLT,MACHINE.

What parts can replace 81508-7-46?

There are 2 known substitutes for 81508-7-46: 5306PL1498227, K618769-13. Substitute compatibility should be verified for your specific system.

What is the NSN for 81508-7-46?

81508-7-46 is cataloged in the U.S. Government catalog under NSN 5306-01-167-0462. This indicates validated use in U.S. government and defense supply chains.

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81508-7-46 — BOLT,MACHINE

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