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Technical Data Sheet
PartsTable / COMPONENT / MS21262-60
MS21262-60 ✓ 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 SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT CHAMFER, head_height: 0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN, thread_length: 0.885 INCHES MINIMUM AND 1.031 INCHES MAXIMUM 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 5305-00-137-3071, 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
MS21262-60
NSN: 5305-00-137-3071
FSC: 5305
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT CHAMFER
head_height0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
thread_length0.885 INCHES MINIMUM AND 1.031 INCHES MAXIMUM IN
fastener_length0.985 INCHES MINIMUM AND 1.031 INCHES MAXIMUM IN
hardness_rating36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
locking_featureSTRIP THREADS
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND CHROMATE OVERALL
width_across_flats0.375 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN
NSN5305-00-137-3071
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS21262-60 · 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
•
HEAD DIAMETER: 0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
•
THREAD LENGTH: 0.885 INCHES MINIMUM AND 1.031 INCHES MAXIMUM IN
•
NONDEFINITIVE SPEC/STD DATA: 6 TYPE
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
MINIMUM YIELD STRENGTH: 130000 POUNDS PER SQUARE INCH LBS
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
HEAD DIAMETER0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
THREAD LENGTH0.885 INCHES MINIMUM AND 1.031 INCHES MAXIMUM IN
NONDEFINITIVE SPEC/STD DATA6 TYPE
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MINIMUM YIELD STRENGTH130000 POUNDS PER SQUARE INCH LBS
NOMINAL THREAD DIAMETER0.500 INCHES IN
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
MIL-F-18240EInterchangeable
interchangeable cross-reference
interchangeable
NK515-8R16Interchangeable
interchangeable cross-reference
interchangeable
LL35275-218Interchangeable
interchangeable cross-reference
interchangeable
FF-S-86EInterchangeable
interchangeable cross-reference
interchangeable
11662878-85Interchangeable
interchangeable cross-reference
interchangeable
NAS1189-08P4LInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS21262-60?
MS21262-60 is a SCREW,CAP,SOCKET HEAD.
What parts can replace MS21262-60?
There are 18 known substitutes for MS21262-60: MIL-F-18240E, NK515-8R16, LL35275-218 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS21262-60?
MS21262-60 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-137-3071. 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