PBF7521-3-3 — BOLT,SHEAR

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

PBF7521-3-3: BOLT,SHEAR.

The BOLT,SHEAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP H11 OVERALL, head_style: SPLINE DRIVE SHEAR HEAD, grip_length: 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN, head_height: 0.140 INCHES NOMINAL IN, thread_class: 3A A, grip_diameter: 0.1885 INCHES MINIMUM AND 0.1894 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-320-3533, 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

PBF7521-3-3

NSN: 5306-01-320-3533
FSC: 5306 — Bolts
CAGE: 27624 — SPS TECHNOLOGIES LLC DBA PB FASTENERS DIV PB FASTENERS (USA)

SPECIFICATIONS

material	STEEL COMP H11 OVERALL
head_style	SPLINE DRIVE SHEAR HEAD
grip_length	0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
head_height	0.140 INCHES NOMINAL IN
thread_class	3A A
grip_diameter	0.1885 INCHES MINIMUM AND 0.1894 INCHES MAXIMUM IN
thread_length	0.298 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
surface_finish	32.0 MICROINCHES GRIP
fastener_length	0.496 INCHES MINIMUM AND 0.526 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
surface_treatment	CADMIUM AND CHROMATE OVERALL
head_minor_diameter	0.383 INCHES MINIMUM AND 0.389 INCHES MAXIMUM IN
NSN	5306-01-320-3533

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 32.0 MICROINCHES THREADS

•

HEAD HEIGHT: 0.140 INCHES NOMINAL IN

•

FASTENER LENGTH: 0.496 INCHES MINIMUM AND 0.526 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 0.298 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN

•

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

TECHNICAL CHARACTERISTICS

SURFACE FINISH	32.0 MICROINCHES THREADS
SURFACE FINISH	32.0 MICROINCHES GRIP
SURFACE FINISH	32.0 MICROINCHES BEARING SURFACE OF HEAD
HEAD HEIGHT	0.140 INCHES NOMINAL IN
FASTENER LENGTH	0.496 INCHES MINIMUM AND 0.526 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.298 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.190 INCHES IN
HEAD STYLE	SPLINE DRIVE SHEAR HEAD

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 7

5306PL1499241Reference document

Same NSN cross-reference

Reference document — Informative reference only

AIC596-3-3Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

H411-3-3Reference document

Same NSN cross-reference

Reference document — Secondary reference

VS3133-3-3Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

C7521-3-3Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

120978-3-3Same 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 PBF7521-3-3?

PBF7521-3-3 is a BOLT,SHEAR.

What parts can replace PBF7521-3-3?

There are 7 known substitutes for PBF7521-3-3: 5306PL1499241, AIC596-3-3, H411-3-3 and 4 more. Substitute compatibility should be verified for your specific system.

What is the NSN for PBF7521-3-3?

PBF7521-3-3 is cataloged in the U.S. Government catalog under NSN 5306-01-320-3533. This indicates validated use in U.S. government and defense supply chains.

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