MS20038-4 — BOLT,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

MS20038-4: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: HEXAGON, grip_length: 0.500 INCHES NOMINAL IN, head_height: 0.265 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.828 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-842-1237, 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

MS20038-4

NSN: 5306-00-842-1237
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 CORROSION RESISTING OVERALL
head_style	HEXAGON
grip_length	0.500 INCHES NOMINAL IN
head_height	0.265 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN
thread_class	3A A
thread_length	0.828 INCHES MINIMUM IN
fastener_length	1.328 INCHES NOMINAL IN
thread_direction	RIGHT-HAND
features_provided	FINISHED HEAD
surface_treatment	PASSIVATE OVERALL
width_between_flats	0.740 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN
special_test_features	RAPTURE STRENGTH AN 1200 DEG F SHALL NOT BE LESS THAN 47000 PSI IN 100 HRS DEGF
NSN	5306-00-842-1237

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.265 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN

•

FASTENER LENGTH: 1.328 INCHES NOMINAL IN

•

SPECIAL TEST FEATURES: RAPTURE STRENGTH AN 1200 DEG F SHALL NOT BE LESS THAN 47000 PSI IN 100 HRS DEGF

•

THREAD LENGTH: 0.828 INCHES MINIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-7874 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.500 INCHES IN

•

FEATURES PROVIDED: FINISHED HEAD

•

HEAD STYLE: HEXAGON

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.265 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN
FASTENER LENGTH	1.328 INCHES NOMINAL IN
SPECIAL TEST FEATURES	RAPTURE STRENGTH AN 1200 DEG F SHALL NOT BE LESS THAN 47000 PSI IN 100 HRS DEGF
THREAD LENGTH	0.828 INCHES MINIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-B-7874 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.500 INCHES IN
FEATURES PROVIDED	FINISHED HEAD
HEAD STYLE	HEXAGON
THREAD DIRECTION	RIGHT-HAND
GRIP LENGTH	0.500 INCHES NOMINAL IN

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

LE20038-4Reference document

Same NSN cross-reference

Reference document — Secondary reference

NASM7874Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

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 MS20038-4?

MS20038-4 is a BOLT,MACHINE.

What parts can replace MS20038-4?

There are 2 known substitutes for MS20038-4: LE20038-4, NASM7874. Substitute compatibility should be verified for your specific system.

What is the NSN for MS20038-4?

MS20038-4 is cataloged in the U.S. Government catalog under NSN 5306-00-842-1237. This indicates validated use in U.S. government and defense supply chains.

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