VS2521-7F83 — BOLT,SHEAR

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

VS2521-7F83: BOLT,SHEAR.

The BOLT,SHEAR is a the manufacturer industrial component. Key specifications include head_style: DOUBLE HEXAGON, grip_length: 5.178 INCHES MINIMUM AND 5.198 INCHES MAXIMUM IN, head_height: 0.257 INCHES NOMINAL IN, thread_class: 3A A, grip_diameter: 0.4358 INCHES MINIMUM AND 0.4367 INCHES MAXIMUM IN, thread_length: 0.906 INCHES MINIMUM AND 0.973 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-026-2369, 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

VS2521-7F83

NSN: 5306-00-026-2369
FSC: 5306 — Bolts
CAGE: 92215 — HOWMET GLOBAL FASTENING SYSTEMS INC DIV TORRANCE OPERATIONS (USA)

SPECIFICATIONS

head_style	DOUBLE HEXAGON
grip_length	5.178 INCHES MINIMUM AND 5.198 INCHES MAXIMUM IN
head_height	0.257 INCHES NOMINAL IN
thread_class	3A A
grip_diameter	0.4358 INCHES MINIMUM AND 0.4367 INCHES MAXIMUM IN
thread_length	0.906 INCHES MINIMUM AND 0.973 INCHES MAXIMUM IN
fastener_length	6.104 INCHES MINIMUM AND 6.151 INCHES MAXIMUM IN
hardness_rating	46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
thread_direction	RIGHT-HAND
surface_treatment	CADMIUM OVERALL
width_between_flats	0.678 INCHES MINIMUM AND 0.689 INCHES MAXIMUM IN
nominal_thread_diameter	0.438 INCHES IN
NSN	5306-00-026-2369

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.257 INCHES NOMINAL IN

•

FASTENER LENGTH: 6.104 INCHES MINIMUM AND 6.151 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 0.906 INCHES MINIMUM AND 0.973 INCHES MAXIMUM IN

•

HARDNESS RATING: 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL

•

NOMINAL THREAD DIAMETER: 0.438 INCHES IN

•

HEAD STYLE: DOUBLE HEXAGON

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.257 INCHES NOMINAL IN
FASTENER LENGTH	6.104 INCHES MINIMUM AND 6.151 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.906 INCHES MINIMUM AND 0.973 INCHES MAXIMUM IN
HARDNESS RATING	46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
NOMINAL THREAD DIAMETER	0.438 INCHES IN
HEAD STYLE	DOUBLE HEXAGON
THREAD DIRECTION	RIGHT-HAND
SPECIFICATION/STANDARD DATA	26512-GB511B MANUFACTURERS STANDARD
GRIP LENGTH	5.178 INCHES MINIMUM AND 5.198 INCHES MAXIMUM IN

SUBSTITUTES & CROSS-REFERENCES 5

401-7-83Reference document

Same NSN cross-reference

Reference document — Secondary reference

EW5B22D7-A83Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

GB511B7-83Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

AIC516B7-83Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

EWSB22-7A83Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is VS2521-7F83?

VS2521-7F83 is a BOLT,SHEAR.

What parts can replace VS2521-7F83?

There are 5 known substitutes for VS2521-7F83: 401-7-83, EW5B22D7-A83, GB511B7-83 and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for VS2521-7F83?

VS2521-7F83 is cataloged in the U.S. Government catalog under NSN 5306-00-026-2369. This indicates validated use in U.S. government and defense supply chains.

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