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Technical Data Sheet
PartsTable / COMPONENT / S-B-148648
S-B-148648 ✓ 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: HEXAGON, head_height: 0.078 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.344 INCHES MINIMUM IN, screw_material: COPPER ALLOY, fastener_length: 0.406 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 5305-00-297-7694, 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
S-B-148648
NSN: 5305-00-297-7694
FSC: 5305
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
head_styleHEXAGON
head_height0.078 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
thread_class2A A
thread_length0.344 INCHES MINIMUM IN
screw_materialCOPPER ALLOY
fastener_length0.406 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_between_flats0.172 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.164 INCHES IN
thread_quantity_per_inch32
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-00-297-7694
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: S-B-148648 · 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: 2A A
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
•
THREAD QUANTITY PER INCH: 32
•
SCREW MATERIAL: COPPER ALLOY
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
THREAD LENGTH: 0.344 INCHES MINIMUM IN
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2A A
NOMINAL THREAD DIAMETER0.164 INCHES IN
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
THREAD QUANTITY PER INCH32
SCREW MATERIALCOPPER ALLOY
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD LENGTH0.344 INCHES MINIMUM IN
THREAD DIRECTIONRIGHT-HAND
HEAD STYLEHEXAGON
WIDTH BETWEEN FLATS0.172 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
53183Interchangeable
interchangeable cross-reference
interchangeable
2410 1-19/64Interchangeable
interchangeable cross-reference
interchangeable
GGG-D-751Interchangeable
interchangeable cross-reference
interchangeable
85-584Interchangeable
interchangeable cross-reference
interchangeable
12924Interchangeable
interchangeable cross-reference
interchangeable
503-9874-002Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S-B-148648?
S-B-148648 is a SCREW,MACHINE.
What parts can replace S-B-148648?
There are 8 known substitutes for S-B-148648: 53183, 2410 1-19/64, GGG-D-751 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S-B-148648?
S-B-148648 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-297-7694. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026