12NB108 — NUT,SELF-LOCKING,INTERNAL WRENCH

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

12NB108: NUT,SELF-LOCKING,INTERNAL WRENCH.

NUT,SELF-LOCKING,INTERNAL WRENCH. Key specifications include material: STEEL OVERALL, nut_style: INTERNAL WRENCHING, nut_height: 1.281 INCHES NOMINAL IN, nut_diameter: 1.062 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNF. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-297-8345, 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

12NB108

NSN: 5310-00-297-8345
FSC: 5310 — Nuts and Washers
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)

SPECIFICATIONS

material	STEEL OVERALL
nut_style	INTERNAL WRENCHING
nut_height	1.281 INCHES NOMINAL IN
nut_diameter	1.062 INCHES NOMINAL IN
thread_class	3B
thread_series	UNF
locking_feature	PREVAILING TORQUE WITH NONMETALLIC INSERT
thread_direction	RIGHT-HAND
surface_treatment	CADMIUM OVERALL
nominal_thread_size	0.625 INCHES IN
internal_drive_style	DOUBLE HEXAGON
thread_quantity_per_inch	18
NSN	5310-00-297-8345

COMPONENT DIAGRAM

KEY FEATURES

•

THREAD SERIES: UNF

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.625 INCHES IN

•

NUT DIAMETER: 1.062 INCHES NOMINAL IN

•

LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT

•

NUT HEIGHT: 1.281 INCHES NOMINAL IN

•

SURFACE TREATMENT: CADMIUM OVERALL

•

INTERNAL DRIVE STYLE: DOUBLE HEXAGON

TECHNICAL CHARACTERISTICS

THREAD SERIES	UNF
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.625 INCHES IN
NUT DIAMETER	1.062 INCHES NOMINAL IN
LOCKING FEATURE	PREVAILING TORQUE WITH NONMETALLIC INSERT
NUT HEIGHT	1.281 INCHES NOMINAL IN
SURFACE TREATMENT	CADMIUM OVERALL
INTERNAL DRIVE STYLE	DOUBLE HEXAGON
NUT STYLE	INTERNAL WRENCHING
THREAD CLASS	3B

SUBSTITUTES & CROSS-REFERENCES 4

NAS353Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

1234065Reference document

Same NSN cross-reference

Reference document — Secondary reference

12B108Reference document

Same NSN cross-reference

Reference document — Secondary reference

128-108Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 12NB108?

12NB108 is a NUT,SELF-LOCKING,INTERNAL WRENCH.

What parts can replace 12NB108?

There are 4 known substitutes for 12NB108: NAS353, 1234065, 12B108 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 12NB108?

12NB108 is cataloged in the U.S. Government catalog under NSN 5310-00-297-8345. This indicates validated use in U.S. government and defense supply chains.

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12NB108 — NUT,SELF-LOCKING,INTERNAL WRENCH

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