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Technical Data Sheet
PartsTable / COMPONENT / SM-B-148458
SM-B-148458 ✓ 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,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT CHAMFER, head_height: 0.094 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.250 INCHES NOMINAL IN, thread_length: 0.563 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN, screw_material: STEEL COMP 1212. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-096-7462, 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
SM-B-148458
NSN: 5305-00-096-7462
FSC: 5305
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
head_styleFLAT CHAMFER
head_height0.094 INCHES NOMINAL IN
thread_class2A A
head_diameter0.250 INCHES NOMINAL IN
thread_length0.563 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
screw_materialSTEEL COMP 1212
fastener_length0.875 INCHES NOMINAL IN
locking_featureLOCKING TEETH
special_featuresSTRAIGHT KNURL
thread_directionRIGHT-HAND
features_providedSLEEVE AND CASEHARDENED
internal_drive_styleSLOT
NSN5305-00-096-7462
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SM-B-148458 · 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
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: AISI 1212 ASSN STD SINGLE MATERIAL RESPONSE
•
SCREW SURFACE TREATMENT: PHOSPHATE
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL COMP 1212
•
INTERNAL DRIVE STYLE: SLOT
•
THREAD LENGTH: 0.563 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
•
LOCKING FEATURE: LOCKING TEETH
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESSTRAIGHT KNURL
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAISI 1212 ASSN STD SINGLE MATERIAL RESPONSE
SCREW SURFACE TREATMENTPHOSPHATE
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP 1212
INTERNAL DRIVE STYLESLOT
THREAD LENGTH0.563 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
LOCKING FEATURELOCKING TEETH
FEATURES PROVIDEDSLEEVE AND CASEHARDENED
FASTENER LENGTH0.875 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
52688Interchangeable
Rule,machinist's
interchangeable
GGG-R-791 TY4CL1NR7Interchangeable
Rule,machinist's
interchangeable
5210PL1315598Interchangeable
Rule,machinist's
interchangeable
PL52535 ITEM 9Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SM-B-148458?
SM-B-148458 is a SCREW,MACHINE.
What parts can replace SM-B-148458?
There are 4 known substitutes for SM-B-148458: 52688, GGG-R-791 TY4CL1NR7, 5210PL1315598 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SM-B-148458?
SM-B-148458 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-096-7462. 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