3M1263-6-26 — BOLT,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

3M1263-6-26: BOLT,CLOSE TOLERANCE.

The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: SPLINE EXTENDED WASHER, grip_length: 1.625 INCHES NOMINAL IN, head_height: 0.337 INCHES NOMINAL IN, thread_class: 3A A, grip_diameter: 0.374 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-541-5259, 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

3M1263-6-26

NSN: 5306-01-541-5259
FSC: 5306 — Bolts
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING OVERALL
head_style	SPLINE EXTENDED WASHER
grip_length	1.625 INCHES NOMINAL IN
head_height	0.337 INCHES NOMINAL IN
thread_class	3A A
grip_diameter	0.374 INCHES NOMINAL IN
thread_length	0.614 INCHES NOMINAL IN
fastener_length	2.239 INCHES NOMINAL IN
special_features	NON-DRILLED SHANK; WRENCHING ELEMENT NO. 14
thread_direction	RIGHT-HAND
surface_treatment	PASSIVATE OVERALL
head_minor_diameter	0.438 INCHES NOMINAL IN
NSN	5306-01-541-5259

COMPONENT DIAGRAM

KEY FEATURES

•

EXTENDED WASHER THICKNESS: 0.054 INCHES NOMINAL IN

•

HEAD HEIGHT: 0.337 INCHES NOMINAL IN

•

FASTENER LENGTH: 2.239 INCHES NOMINAL IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS-QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL

•

EXTENDED WASHER DIAMETER: 0.696 INCHES NOMINAL IN

•

THREAD LENGTH: 0.614 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: M+35 +34 ASM 5758 OR ASM 5844 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.375 INCHES IN

TECHNICAL CHARACTERISTICS

EXTENDED WASHER THICKNESS	0.054 INCHES NOMINAL IN
HEAD HEIGHT	0.337 INCHES NOMINAL IN
FASTENER LENGTH	2.239 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS-QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
EXTENDED WASHER DIAMETER	0.696 INCHES NOMINAL IN
THREAD LENGTH	0.614 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	M+35 +34 ASM 5758 OR ASM 5844 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.375 INCHES IN
HEAD STYLE	SPLINE EXTENDED WASHER
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 2

93784-6-26Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

PBF1626-6-26Same 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 3M1263-6-26?

3M1263-6-26 is a BOLT,CLOSE TOLERANCE.

What parts can replace 3M1263-6-26?

There are 2 known substitutes for 3M1263-6-26: 93784-6-26, PBF1626-6-26. Substitute compatibility should be verified for your specific system.

What is the NSN for 3M1263-6-26?

3M1263-6-26 is cataloged in the U.S. Government catalog under NSN 5306-01-541-5259. This indicates validated use in U.S. government and defense supply chains.

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