PartsTable
Technical Data Sheet
PB148S1 ✓ 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 BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: DEE CHAMFER, head_height: 0.188 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.500 INCHES NOMINAL IN, thread_length: 0.625 INCHES MINIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-514-8458, 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
PB148S1
NSN: 5306-00-514-8458
FSC: 5306
CAGE: 66289 — WISCONSIN MOTORS, LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleDEE CHAMFER
head_height0.188 INCHES NOMINAL IN
thread_class2A A
head_diameter0.500 INCHES NOMINAL IN
thread_length0.625 INCHES MINIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length1.750 INCHES NOMINAL IN
shoulder_length0.875 INCHES NOMINAL FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.344 INCHES NOMINAL FIRST SHOULDER IN
nominal_thread_diameter0.312 INCHES IN
NSN5306-00-514-8458
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: PB148S1 · 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: 0.500 INCHES NOMINAL IN
HEAD HEIGHT: 0.188 INCHES NOMINAL IN
MATERIAL: STEEL OVERALL
THREAD DIRECTION: RIGHT-HAND
THREAD SERIES DESIGNATOR: UNF
SHOULDER DIAMETER: 0.344 INCHES NOMINAL FIRST SHOULDER IN
SHOULDER SHAPE: ROUND FIRST SHOULDER
HEAD STYLE: DEE CHAMFER
TECHNICAL CHARACTERISTICS (FLIS)
HEAD DIAMETER0.500 INCHES NOMINAL IN
HEAD HEIGHT0.188 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNF
SHOULDER DIAMETER0.344 INCHES NOMINAL FIRST SHOULDER IN
SHOULDER SHAPEROUND FIRST SHOULDER
HEAD STYLEDEE CHAMFER
THREAD LENGTH0.625 INCHES MINIMUM IN
THREAD QUANTITY PER INCH24
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
1021375Interchangeable
interchangeable cross-reference
interchangeable
2520000401159Interchangeable
interchangeable cross-reference
interchangeable
1854-2Interchangeable
interchangeable cross-reference
interchangeable
3-403127-001Interchangeable
interchangeable cross-reference
interchangeable
403127-001Interchangeable
interchangeable cross-reference
interchangeable
DRA43795-0Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PB148S1?
PB148S1 is a BOLT,SHOULDER.
What parts can replace PB148S1?
There are 18 known substitutes for PB148S1: 1021375, 2520000401159, 1854-2 and 15 more. Substitute compatibility should be verified for your specific system.
Is PB148S1 still available?
PB148S1 is currently cancelled.
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