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Technical Data Sheet
PartsTable / COMPONENT / MS20012-48
MS20012-48 ✓ 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,INTERNAL WRENCHING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL, head_style: BEVEL-CONICAL, head_height: 0.750 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 1.220 INCHES MINIMUM AND 1.230 INCHES MAXIMUM IN, thread_length: 1.037 INCHES MINIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-470-5269, 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
MS20012-48
NSN: 5306-01-470-5269
FSC: 5306
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL
head_styleBEVEL-CONICAL
head_height0.750 INCHES NOMINAL IN
thread_class3A A
head_diameter1.220 INCHES MINIMUM AND 1.230 INCHES MAXIMUM IN
thread_length1.037 INCHES MINIMUM IN
fastener_length4.047 INCHES MINIMUM AND 4.077 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
width_across_flats0.5630 INCHES MINIMUM AND 0.5660 INCHES MAXIMUM IN
internal_drive_styleHEXAGON
nominal_thread_diameter0.750 INCHES IN
NSN5306-01-470-5269
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS20012-48 · 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
•
THREAD CLASS: 3A A
•
HEAD DIAMETER: 1.220 INCHES MINIMUM AND 1.230 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR IL-S-8503 MIL SPEC 10TH MATERIAL RESPONSE OR I-S-6098 MIL SPEC 10TH MATERIAL RESPONSE OR IL-S-6049 MIL SPEC 10TH MATERIAL RESPONSE OVERALL
•
SURFACE TREATMENT: CADMIUM OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL JOINT FINE (UNJF)
•
FASTENER LENGTH: 4.047 INCHES MINIMUM AND 4.077 INCHES MAXIMUM IN
•
MINIMUM TENSILE STRENGTH: 160000 POUNDS PER SQUARE INCH LBS
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS3A A
HEAD DIAMETER1.220 INCHES MINIMUM AND 1.230 INCHES MAXIMUM IN
MATERIALSTEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR IL-S-8503 MIL SPEC 10TH MATERIAL RESPONSE OR I-S-6098 MIL SPEC 10TH MATERIAL RESPONSE OR IL-S-6049 MIL SPEC 10TH MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)
FASTENER LENGTH4.047 INCHES MINIMUM AND 4.077 INCHES MAXIMUM IN
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH LBS
THREAD LENGTH1.037 INCHES MINIMUM IN
SPECIFICATION/STANDARD DATA96906-20012 GOVERNMENT STANDARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
MS20010Upgraded Successor
successor cross-reference
successor
20010Upgraded Successor
successor cross-reference
successor
B43-406Upgraded Successor
successor cross-reference
successor
MS20010-46Upgraded Successor
successor cross-reference
successor
MS20010-26Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS20012-48?
MS20012-48 is a BOLT,INTERNAL WRENCHING.
What parts can replace MS20012-48?
There are 5 known substitutes for MS20012-48: MS20010, 20010, B43-406 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS20012-48?
MS20012-48 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-470-5269. 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