81921-10-22 — BOLT,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

81921-10-22: BOLT,CLOSE TOLERANCE.

The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: COBALT COMP MP-35-N OVERALL, hole_type: DRILLED, head_style: SPLINE DRIVE SHEAR HEAD, grip_length: 1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN, head_height: 0.350 INCHES NOMINAL IN, thread_class: 3A A. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-169-7232, 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

81921-10-22

NSN: 5306-01-169-7232
FSC: 5306 — Bolts
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)

SPECIFICATIONS

material	COBALT COMP MP-35-N OVERALL
hole_type	DRILLED
head_style	SPLINE DRIVE SHEAR HEAD
grip_length	1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN
head_height	0.350 INCHES NOMINAL IN
thread_class	3A A
grip_diameter	0.6235 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM IN
hole_diameter	0.065 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN
hole_quantity	1
thread_length	0.906 INCHES MINIMUM AND 0.933 INCHES MAXIMUM IN
fastener_length	2.271 INCHES MINIMUM AND 2.318 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
NSN	5306-01-169-7232

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.350 INCHES NOMINAL IN

•

FASTENER LENGTH: 2.271 INCHES MINIMUM AND 2.318 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 0.906 INCHES MINIMUM AND 0.933 INCHES MAXIMUM IN

•

SHANK UNTHREADED HOLE DIAMETER: 0.141 INCHES MINIMUM AND 0.146 INCHES MAXIMUM FIRST HOLE IN

•

HOLE CONFIGURATION STYLE: SPLINE

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5844 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.625 INCHES IN

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.350 INCHES NOMINAL IN
FASTENER LENGTH	2.271 INCHES MINIMUM AND 2.318 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.906 INCHES MINIMUM AND 0.933 INCHES MAXIMUM IN
SHANK UNTHREADED HOLE DIAMETER	0.141 INCHES MINIMUM AND 0.146 INCHES MAXIMUM FIRST HOLE IN
HOLE CONFIGURATION STYLE	SPLINE
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5844 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.625 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 3

PBF1426-10-22Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

3M1046-10-22Reference document

Same NSN cross-reference

Reference document — Secondary reference

10116075Reference document

Same NSN cross-reference

Reference document — Informative reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 81921-10-22?

81921-10-22 is a BOLT,CLOSE TOLERANCE.

What parts can replace 81921-10-22?

There are 3 known substitutes for 81921-10-22: PBF1426-10-22, 3M1046-10-22, 10116075. Substitute compatibility should be verified for your specific system.

What is the NSN for 81921-10-22?

81921-10-22 is cataloged in the U.S. Government catalog under NSN 5306-01-169-7232. This indicates validated use in U.S. government and defense supply chains.

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