NAS58-26 — BOLT,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

NAS58-26: BOLT,CLOSE TOLERANCE.

The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, grip_length: 2.062 INCHES NOMINAL IN, head_height: 0.265 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.4986 INCHES MINIMUM AND 0.4991 INCHES MAXIMUM IN, thread_length: 0.782 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-180-0328, 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

NAS58-26

NSN: 5306-00-180-0328
FSC: 5306 — Bolts
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)

SPECIFICATIONS

material	STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4140 OR STEEL COMP 4130 OR STEEL COMP 4037 OVERALL
head_style	HEXAGON
grip_length	2.062 INCHES NOMINAL IN
head_height	0.265 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN
thread_class	3A A
grip_diameter	0.4986 INCHES MINIMUM AND 0.4991 INCHES MAXIMUM IN
thread_length	0.782 INCHES MINIMUM IN
surface_finish	63.0 MICROINCHES GRIP
fastener_length	2.844 INCHES NOMINAL IN
hardness_rating	26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
thread_direction	RIGHT-HAND
surface_treatment	CADMIUM AND CHROMATE OVERALL
NSN	5306-00-180-0328

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 63.0 MICROINCHES GRIP

•

HEAD HEIGHT: 0.265 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN

•

FASTENER LENGTH: 2.844 INCHES NOMINAL IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL

•

THREAD LENGTH: 0.782 INCHES MINIMUM IN

•

HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL

•

SHANK UNTHREADED HOLE DIAMETER: 0.106 INCHES NOMINAL FIRST HOLE IN

TECHNICAL CHARACTERISTICS

SURFACE FINISH	63.0 MICROINCHES GRIP
SURFACE FINISH	63.0 MICROINCHES BEARING SURFACE OF HEAD
HEAD HEIGHT	0.265 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN
FASTENER LENGTH	2.844 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
THREAD LENGTH	0.782 INCHES MINIMUM IN
HARDNESS RATING	26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
SHANK UNTHREADED HOLE DIAMETER	0.106 INCHES NOMINAL FIRST HOLE IN
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 5TH MATERIAL RESPONSE OR AMS 6300 ASSN STD 6TH MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.500 INCHES IN

SUBSTITUTES & CROSS-REFERENCES 2

AN178-26Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

402 517Same 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 NAS58-26?

NAS58-26 is a BOLT,CLOSE TOLERANCE.

What parts can replace NAS58-26?

There are 2 known substitutes for NAS58-26: AN178-26, 402 517. Substitute compatibility should be verified for your specific system.

What is the NSN for NAS58-26?

NAS58-26 is cataloged in the U.S. Government catalog under NSN 5306-00-180-0328. This indicates validated use in U.S. government and defense supply chains.

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