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Technical Data Sheet
PartsTable / COMPONENT / M62FS428-12CR
M62FS428-12CR ✓ 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 COUNTERSUNK, thread_class: 3A A, head_diameter: 0.480 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN, thread_length: 0.517 INCHES MINIMUM IN, fastener_length: 0.750 INCHES NOMINAL 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 5305-00-434-4811, 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
M62FS428-12CR
NSN: 5305-00-434-4811
FSC: 5305
CAGE: 26233 — NYLOK LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT COUNTERSUNK
thread_class3A A
head_diameter0.480 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
thread_length0.517 INCHES MINIMUM IN
fastener_length0.750 INCHES NOMINAL IN
hardness_rating38.0 ROCKWELL C MINIMUM OVERALL
locking_featurePELLET THREADS
thread_directionRIGHT-HAND
countersink_angle80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
surface_treatmentCADMIUM AND CHROMATE OVERALL
width_across_flats0.156 INCHES NOMINAL IN
NSN5305-00-434-4811
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: M62FS428-12CR · 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
•
LOCKING FEATURE: PELLET THREADS
•
THREAD QUANTITY PER INCH: 28
•
INTERNAL DRIVE STYLE: HEXAGON
•
FASTENER LENGTH: 0.750 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
WIDTH ACROSS FLATS: 0.156 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
LOCKING FEATUREPELLET THREADS
THREAD QUANTITY PER INCH28
INTERNAL DRIVE STYLEHEXAGON
FASTENER LENGTH0.750 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
WIDTH ACROSS FLATS0.156 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
THREAD SERIES DESIGNATORUNF
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
4408627Interchangeable
interchangeable cross-reference
interchangeable
DL8627Interchangeable
interchangeable cross-reference
interchangeable
DL867Interchangeable
interchangeable cross-reference
interchangeable
60-253Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M62FS428-12CR?
M62FS428-12CR is a SCREW,CAP,SOCKET HEAD.
What parts can replace M62FS428-12CR?
There are 4 known substitutes for M62FS428-12CR: 4408627, DL8627, DL867 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M62FS428-12CR?
M62FS428-12CR is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-434-4811. 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