PBF7521-8DN26 — BOLT,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

PBF7521-8DN26: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP H11 OVERALL, head_style: SPLINE DRIVE SHEAR HEAD, grip_length: 1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM IN, head_height: 0.281 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-337-5052, 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

PBF7521-8DN26

NSN: 5306-01-337-5052
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	1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM IN
head_height	0.281 INCHES NOMINAL IN
thread_class	3A A
thread_length	0.500 INCHES NOMINAL IN
fastener_length	2.153 INCHES NOMINAL IN
special_features	MIN SHEAR STRENGTH 132,000 PSI
thread_direction	RIGHT-HAND
surface_treatment	CADMIUM OVERALL
head_minor_diameter	0.901 INCHES NOMINAL IN
end_item_identification	PACER DAWN
NSN	5306-01-337-5052

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.281 INCHES NOMINAL IN

•

FASTENER LENGTH: 2.153 INCHES NOMINAL IN

•

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

•

THREAD LENGTH: 0.500 INCHES NOMINAL IN

•

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

•

NOMINAL THREAD DIAMETER: 0.5000 INCHES IN

•

HEAD STYLE: SPLINE DRIVE SHEAR HEAD

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.281 INCHES NOMINAL IN
FASTENER LENGTH	2.153 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	NAS672 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.500 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS-6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.5000 INCHES IN
HEAD STYLE	SPLINE DRIVE SHEAR HEAD
THREAD DIRECTION	RIGHT-HAND
GRIP LENGTH	1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM IN
HEAD MINOR DIAMETER	0.901 INCHES NOMINAL 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

5306-002-8DN26Reference document

Same NSN cross-reference

Reference document — Secondary reference

H411-8DN26Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is PBF7521-8DN26?

PBF7521-8DN26 is a BOLT,MACHINE.

What parts can replace PBF7521-8DN26?

There are 2 known substitutes for PBF7521-8DN26: 5306-002-8DN26, H411-8DN26. Substitute compatibility should be verified for your specific system.

What is the NSN for PBF7521-8DN26?

PBF7521-8DN26 is cataloged in the U.S. Government catalog under NSN 5306-01-337-5052. This indicates validated use in U.S. government and defense supply chains.

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