PBF7521-8-26 — BOLT,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

PBF7521-8-26: BOLT,CLOSE TOLERANCE.

The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: SPLINE DRIVE SHEAR HEAD, grip_length: 1.615 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN, head_height: 0.281 INCHES NOMINAL IN, thread_class: 3A A, grip_diameter: 0.4982 INCHES MINIMUM AND 0.4991 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-065-6308, 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

PBF7521-8-26

NSN: 5306-01-065-6308
FSC: 5306 — Bolts
CAGE: 27624 — SPS TECHNOLOGIES LLC DBA PB FASTENERS DIV PB FASTENERS (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING OVERALL
head_style	SPLINE DRIVE SHEAR HEAD
grip_length	1.615 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
head_height	0.281 INCHES NOMINAL IN
thread_class	3A A
grip_diameter	0.4982 INCHES MINIMUM AND 0.4991 INCHES MAXIMUM IN
thread_length	0.528 INCHES NOMINAL IN
fastener_length	2.143 INCHES MINIMUM AND 2.163 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
surface_treatment	CADMIUM OVERALL
head_minor_diameter	0.901 INCHES MAXIMUM IN
end_item_identification	AIRCRAFT, F-16
NSN	5306-01-065-6308

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.281 INCHES NOMINAL IN

•

FASTENER LENGTH: 2.143 INCHES MINIMUM AND 2.163 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: NAS672 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 0.528 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.500 INCHES IN

•

HEAD STYLE: SPLINE DRIVE SHEAR HEAD

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.281 INCHES NOMINAL IN
FASTENER LENGTH	2.143 INCHES MINIMUM AND 2.163 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	NAS672 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.528 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.500 INCHES IN
HEAD STYLE	SPLINE DRIVE SHEAR HEAD
THREAD DIRECTION	RIGHT-HAND
GRIP LENGTH	1.615 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
HEAD MINOR DIAMETER	0.901 INCHES MAXIMUM IN

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

C7521-8-26Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

VS3133-8-26Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is PBF7521-8-26?

PBF7521-8-26 is a BOLT,CLOSE TOLERANCE.

What parts can replace PBF7521-8-26?

There are 2 known substitutes for PBF7521-8-26: C7521-8-26, VS3133-8-26. Substitute compatibility should be verified for your specific system.

What is the NSN for PBF7521-8-26?

PBF7521-8-26 is cataloged in the U.S. Government catalog under NSN 5306-01-065-6308. This indicates validated use in U.S. government and defense supply chains.

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