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PartsTable / COMPONENT / FBR75008B4
FBR75008B4 ✓ 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 ASSEMBLY,PANEL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 FASTENER, head_style: KNURLED NO. 4, head_height: 0.495 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.420 INCHES NOMINAL IN, fastener_length: 0.565 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 5305-00-003-9474, 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
FBR75008B4
NSN: 5305-00-003-9474
FSC: 5305
CAGE: 17446 — HUCK INTERNATIONAL, INC (USA)
SPECIFICATIONS
materialSTEEL COMP 302 FASTENER
head_styleKNURLED NO. 4
head_height0.495 INCHES NOMINAL IN
thread_class3A A
head_diameter0.420 INCHES NOMINAL IN
fastener_length0.565 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentANODIZE STAND-OFF
internal_drive_styleSLOT
nominal_thread_diameter0.164 INCHES IN
thread_quantity_per_inch32
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-00-003-9474
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: FBR75008B4 · 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: 3A A
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625,TY 1,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE STAND-OFF
•
MATERIAL: STEEL COMP 302 FASTENER
•
SURFACE TREATMENT: ANODIZE HEAD
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS3A A
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 1,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE STAND-OFF
MATERIALSTEEL COMP 302 FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SPRING
MATERIALSTEEL COMP 302 SPRING
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 1,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE HEAD
SURFACE TREATMENTANODIZE HEAD
MATERIALALUMINUM ALLOY 6061 HEAD
SURFACE TREATMENTPASSIVATE SPRING
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
481106-58Interchangeable
interchangeable cross-reference
interchangeable
FRB75000-8B4Interchangeable
interchangeable cross-reference
interchangeable
465508-05Interchangeable
interchangeable cross-reference
interchangeable
8320011565Interchangeable
Same NIIN cross-reference
interchangeable
B320011565Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FBR75008B4?
FBR75008B4 is a SCREW ASSEMBLY,PANEL.
What parts can replace FBR75008B4?
There are 5 known substitutes for FBR75008B4: 481106-58, FRB75000-8B4, 465508-05 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FBR75008B4?
FBR75008B4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-003-9474. 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