MS20005-20 — BOLT,INTERNAL WRENCHING

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

MS20005-20: BOLT,INTERNAL WRENCHING.

The BOLT,INTERNAL WRENCHING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OVERALL, head_style: BEVEL-CONICAL, head_height: 0.312 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.521 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN, thread_length: 0.521 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-362-0710, 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

MS20005-20

NSN: 5306-01-362-0710
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 4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OVERALL
head_style	BEVEL-CONICAL
head_height	0.312 INCHES NOMINAL IN
thread_class	3A A
head_diameter	0.521 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
thread_length	0.521 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
fastener_length	1.797 INCHES MINIMUM AND 1.827 INCHES MAXIMUM IN
hardness_rating	34.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
thread_direction	RIGHT-HAND
surface_treatment	CADMIUM AND CHROMATE OVERALL
width_across_flats	0.219 INCHES MINIMUM AND 0.221 INCHES MAXIMUM IN
internal_drive_style	HEXAGON
NSN	5306-01-362-0710

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.219 INCHES MINIMUM AND 0.221 INCHES MAXIMUM IN

•

HEAD HEIGHT: 0.312 INCHES NOMINAL IN

•

FASTENER LENGTH: 1.797 INCHES MINIMUM AND 1.827 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,CL 2,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 0.521 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN

•

HARDNESS RATING: 34.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL

•

NOMINAL THREAD DIAMETER: 0.312 INCHES IN

•

HEAD STYLE: BEVEL-CONICAL

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.219 INCHES MINIMUM AND 0.221 INCHES MAXIMUM IN
HEAD HEIGHT	0.312 INCHES NOMINAL IN
FASTENER LENGTH	1.797 INCHES MINIMUM AND 1.827 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,CL 2,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.521 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
HARDNESS RATING	34.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
NOMINAL THREAD DIAMETER	0.312 INCHES IN
HEAD STYLE	BEVEL-CONICAL
THREAD DIRECTION	RIGHT-HAND
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL

SUBSTITUTES & CROSS-REFERENCES 3

5306PL1742062Reference document

Same NSN cross-reference

Reference document — Informative reference only

5306PL1939953Reference document

Same NSN cross-reference

Reference document — Informative reference only

MIL-B-7838Reference 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 MS20005-20?

MS20005-20 is a BOLT,INTERNAL WRENCHING.

What parts can replace MS20005-20?

There are 3 known substitutes for MS20005-20: 5306PL1742062, 5306PL1939953, MIL-B-7838. Substitute compatibility should be verified for your specific system.

What is the NSN for MS20005-20?

MS20005-20 is cataloged in the U.S. Government catalog under NSN 5306-01-362-0710. This indicates validated use in U.S. government and defense supply chains.

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