2012A41 — BOLT,INTERNALLY RELIEVED BODY

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

2012A41: BOLT,INTERNALLY RELIEVED BODY.

The BOLT,INTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OR STEEL COMP 4140 OVERALL, thread_class: 3A A, thread_length: 0.640 INCHES NOMINAL IN, fastener_length: 2.522 INCHES NOMINAL IN, shoulder_length: 1.802 INCHES MINIMUM AND 1.812 INCHES MAXIMUM IN, special_features: CONCENTRIC HOLE FINISH POLYURETHANE PER MIL-C-83286,COLOR GRAY NO. 36320.

This part is cataloged in the U.S. Government catalog under NSN 5306-01-212-4533, 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

2012A41

NSN: 5306-01-212-4533
FSC: 5306 — Bolts
CAGE: 45934 — ONTIC ENGINEERING & MANUFACTURING, INC DBA ONTIC US (USA)

SPECIFICATIONS

material	STEEL COMP 4130 OR STEEL COMP 4140 OVERALL
thread_class	3A A
thread_length	0.640 INCHES NOMINAL IN
fastener_length	2.522 INCHES NOMINAL IN
shoulder_length	1.802 INCHES MINIMUM AND 1.812 INCHES MAXIMUM IN
special_features	CONCENTRIC HOLE FINISH POLYURETHANE PER MIL-C-83286,COLOR GRAY NO. 36320
style_designator	CONCENTRIC HOLE UNTHREADED
thread_direction	RIGHT-HAND
shoulder_diameter	0.4985 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM IN
surface_treatment	NICKEL AND CHROMIUM BEARING SURFACE OF HEAD
concentric_hole_depth	1.592 INCHES NOMINAL IN
nominal_thread_diameter	0.500 INCHES IN
NSN	5306-01-212-4533

COMPONENT DIAGRAM

KEY FEATURES

•

FASTENER LENGTH: 2.522 INCHES NOMINAL IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-83286 MIL SPEC SINGLE TREATMENT RESPONSE SIDES OF HEAD

•

CONCENTRIC HOLE DEPTH: 1.592 INCHES NOMINAL IN

•

THREAD LENGTH: 0.640 INCHES NOMINAL IN

•

SHANK UNTHREADED HOLE DIAMETER: 0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST HOLE IN

TECHNICAL CHARACTERISTICS

FASTENER LENGTH	2.522 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-83286 MIL SPEC SINGLE TREATMENT RESPONSE SIDES OF HEAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-83286 MIL SPEC SINGLE TREATMENT RESPONSE TOP OF HEAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-C-320,TY1,CL1 MIL SPEC SINGLE TREATMENT RESPONSE BEARING SURFACE OF HEAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-C-320,TY1,CL1 MIL SPEC SINGLE TREATMENT RESPONSE GRIP
CONCENTRIC HOLE DEPTH	1.592 INCHES NOMINAL IN
THREAD LENGTH	0.640 INCHES NOMINAL IN
SHANK UNTHREADED HOLE DIAMETER	0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST HOLE IN
STYLE DESIGNATOR	CONCENTRIC HOLE UNTHREADED
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OVERALL

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

No substitute or cross-reference records for this part.

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 2012A41?

2012A41 is a BOLT,INTERNALLY RELIEVED BODY.

What is the NSN for 2012A41?

2012A41 is cataloged in the U.S. Government catalog under NSN 5306-01-212-4533. This indicates validated use in U.S. government and defense supply chains.

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2012A41 — BOLT,INTERNALLY RELIEVED BODY

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