PBF7521-8D53 — BOLT,SHEAR

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

PBF7521-8D53: BOLT,SHEAR.

The BOLT,SHEAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: SPLINE DRIVE SHEAR HEAD, grip_length: 3.302 INCHES MINIMUM AND 3.322 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 5306-01-050-2617, 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

PBF7521-8D53

NSN: 5306-01-050-2617
FSC: 5306 — Bolts
CAGE: 27624 — SPS TECHNOLOGIES LLC DBA PB FASTENERS DIV PB FASTENERS (USA)

SPECIFICATIONS

material	STEEL OVERALL
head_style	SPLINE DRIVE SHEAR HEAD
grip_length	3.302 INCHES MINIMUM AND 3.322 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 MINIMUM IN
fastener_length	3.830 INCHES MINIMUM AND 3.850 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
surface_treatment	CADMIUM OVERALL
head_minor_diameter	0.901 INCHES NOMINAL IN
single_shear_strength	ERR-060
NSN	5306-01-050-2617

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.281 INCHES NOMINAL IN

•

FASTENER LENGTH: 3.830 INCHES MINIMUM AND 3.850 INCHES MAXIMUM IN

•

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

•

THREAD LENGTH: 0.528 INCHES MINIMUM IN

•

SHANK UNTHREADED HOLE DIAMETER: 0.106 INCHES NOMINAL FIRST HOLE IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

SINGLE SHEAR STRENGTH: ERR-060

•

NOMINAL THREAD DIAMETER: 0.500 INCHES IN

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.281 INCHES NOMINAL IN
FASTENER LENGTH	3.830 INCHES MINIMUM AND 3.850 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.528 INCHES MINIMUM IN
SHANK UNTHREADED HOLE DIAMETER	0.106 INCHES NOMINAL FIRST HOLE IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SINGLE SHEAR STRENGTH	ERR-060
NOMINAL THREAD DIAMETER	0.500 INCHES IN
HEAD STYLE	SPLINE DRIVE SHEAR HEAD
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 4

C7521-8D53Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

VS3133-8D53Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

120978-8D53Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

AIC596-8D53Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is PBF7521-8D53?

PBF7521-8D53 is a BOLT,SHEAR.

What parts can replace PBF7521-8D53?

There are 4 known substitutes for PBF7521-8D53: C7521-8D53, VS3133-8D53, 120978-8D53 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for PBF7521-8D53?

PBF7521-8D53 is cataloged in the U.S. Government catalog under NSN 5306-01-050-2617. This indicates validated use in U.S. government and defense supply chains.

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