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Technical Data Sheet
PartsTable / COMPONENT / M60FS348-4B
M60FS348-4B ✓ 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: 0.095 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.154 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN, thread_length: 0.208 INCHES MINIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-206-5783, 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
M60FS348-4B
NSN: 5305-00-206-5783
FSC: 5305
CAGE: 26233 — NYLOK LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT CHAMFER
head_height0.095 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.154 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN
thread_length0.208 INCHES MINIMUM IN
fastener_length0.250 INCHES NOMINAL IN
hardness_rating28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
locking_featurePELLET THREADS
thread_directionRIGHT-HAND
width_across_flats0.078 INCHES NOMINAL IN
internal_drive_styleHEXAGON
NSN5305-00-206-5783
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: M60FS348-4B · 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 QUANTITY PER INCH: 48
•
HARDNESS RATING: 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
INTERNAL DRIVE STYLE: HEXAGON
•
THREAD LENGTH: 0.208 INCHES MINIMUM IN
•
NOMINAL THREAD DIAMETER: 0.099 INCHES IN
•
MATERIAL: STEEL OVERALL
•
FASTENER LENGTH: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH48
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
INTERNAL DRIVE STYLEHEXAGON
THREAD LENGTH0.208 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER0.099 INCHES IN
MATERIALSTEEL OVERALL
FASTENER LENGTH0.250 INCHES NOMINAL IN
HEAD HEIGHT0.095 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
50722Interchangeable
interchangeable cross-reference
interchangeable
G50722Interchangeable
interchangeable cross-reference
interchangeable
416LWInterchangeable
interchangeable cross-reference
interchangeable
07-855010Interchangeable
interchangeable cross-reference
interchangeable
855010Interchangeable
interchangeable cross-reference
interchangeable
50074Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M60FS348-4B?
M60FS348-4B is a SCREW,CAP,SOCKET HEAD.
What parts can replace M60FS348-4B?
There are 17 known substitutes for M60FS348-4B: 50722, G50722, 416LW and 14 more. Substitute compatibility should be verified for your specific system.
Is M60FS348-4B still available?
M60FS348-4B is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026