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Technical Data Sheet
PartsTable / COMPONENT / 100-7B4-6
100-7B4-6 ✓ 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: BINDING, head_height: 0.060 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.229 INCHES NOMINAL IN, thread_length: 0.375 INCHES NOMINAL IN, screw_material: COPPER ALLOY. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-149-9874, 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
100-7B4-6
NSN: 5305-00-149-9874
FSC: 5305
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
head_styleBINDING
head_height0.060 INCHES NOMINAL IN
thread_class2A A
head_diameter0.229 INCHES NOMINAL IN
thread_length0.375 INCHES NOMINAL IN
screw_materialCOPPER ALLOY
fastener_length0.375 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.112 INCHES IN
screw_surface_treatmentCADMIUM AND CHROMATE OR ZINC AND CHROMATE
thread_quantity_per_inch40
NSN5305-00-149-9874
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 100-7B4-6 · 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 DIRECTION: RIGHT-HAND
•
THREAD CLASS: 2A A
•
SCREW MATERIAL: COPPER ALLOY
•
NOMINAL THREAD DIAMETER: 0.112 INCHES IN
•
THREAD LENGTH: 0.750 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: NICKEL
•
HEAD HEIGHT: 0.056 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
•
THREAD QUANTITY PER INCH: 40
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A A
SCREW MATERIALCOPPER ALLOY
NOMINAL THREAD DIAMETER0.112 INCHES IN
THREAD LENGTH0.750 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTNICKEL
HEAD HEIGHT0.056 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH40
FASTENER LENGTH0.750 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
100-7B4-6Interchangeable
interchangeable cross-reference
interchangeable
104643Interchangeable
interchangeable cross-reference
interchangeable
A185-22Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 100-7B4-6?
100-7B4-6 is a SCREW,MACHINE.
What parts can replace 100-7B4-6?
There are 3 known substitutes for 100-7B4-6: 100-7B4-6, 104643, A185-22. Substitute compatibility should be verified for your specific system.
Is 100-7B4-6 still available?
100-7B4-6 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