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PartsTable / COMPONENT / MS20073-05-04
MS20073-05-04 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8740 OR STEEL COMP 8640 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037 OVERALL, hole_type: DRILLED, head_style: HEXAGON, grip_length: 0.047 INCHES MINIMUM AND 0.077 INCHES MAXIMUM IN, head_height: 0.266 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN, thread_class: 3A A. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-150-9148, 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
MS20073-05-04
NSN: 5306-00-150-9148
FSC: 5306
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL COMP 8740 OR STEEL COMP 8640 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037 OVERALL
hole_typeDRILLED
head_styleHEXAGON
grip_length0.047 INCHES MINIMUM AND 0.077 INCHES MAXIMUM IN
head_height0.266 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN
thread_class3A A
hole_diameter0.070 INCHES NOMINAL IN
hole_quantity6
thread_length0.517 INCHES MINIMUM AND 0.593 INCHES MAXIMUM IN
fastener_length0.594 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
NSN5306-00-150-9148
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS20073-05-04 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HOLE QUANTITY: 6
•
THREAD CLASS: 3A A
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
•
HEAD HEIGHT: 0.266 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN
•
FEATURES PROVIDED: FINISHED HEAD
•
GRIP LENGTH: 0.047 INCHES MINIMUM AND 0.077 INCHES MAXIMUM IN
•
WIDTH BETWEEN FLATS: 0.492 INCHES MINIMUM AND 0.501 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.594 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
HOLE QUANTITY6
THREAD CLASS3A A
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.266 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN
FEATURES PROVIDEDFINISHED HEAD
GRIP LENGTH0.047 INCHES MINIMUM AND 0.077 INCHES MAXIMUM IN
WIDTH BETWEEN FLATS0.492 INCHES MINIMUM AND 0.501 INCHES MAXIMUM IN
FASTENER LENGTH0.594 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
HOLE DIAMETER0.070 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TYPE 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
AN7-54Upgraded Successor
successor cross-reference
successor
NASM3 THRU NASM20Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS20073-05-04?
MS20073-05-04 is a BOLT,MACHINE.
What parts can replace MS20073-05-04?
There are 2 known substitutes for MS20073-05-04: AN7-54, NASM3 THRU NASM20. Substitute compatibility should be verified for your specific system.
What is the NSN for MS20073-05-04?
MS20073-05-04 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-150-9148. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026