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PartsTable / COMPONENT / F7500-8-B-2
F7500-8-B-2 ✓ 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 STUD,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include diameter: 0.420 INCHES NOMINAL IN, material: ALUMINUM ALLOY 6061 STAND-OFF, drive_type: SLOTTED, head_style: KNURLED NO. 4, head_height: 0.275 INCHES MINIMUM AND 0.305 INCHES MAXIMUM IN, thread_class: 3A A.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-400-0112, 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
F7500-8-B-2
NSN: 5325-00-400-0112
FSC: 5325
CAGE: 0HDW7 — HUCK INTERNATIONAL, INC. DIV HUCK PRODUCTS DIVISION (USA)
SPECIFICATIONS
diameter0.420 INCHES NOMINAL IN
materialALUMINUM ALLOY 6061 STAND-OFF
drive_typeSLOTTED
head_styleKNURLED NO. 4
head_height0.275 INCHES MINIMUM AND 0.305 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.405 INCHES MINIMUM AND 0.435 INCHES MAXIMUM IN
fastener_length0.670 INCHES MINIMUM AND 0.710 INCHES MAXIMUM IN
stud_head_height0.290 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE SPRING
special_test_featuresSPECIAL QUALITY CONTROL TESTING
NSN5325-00-400-0112
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: F7500-8-B-2 · 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
•
DIAMETER: 0.420 INCHES NOMINAL IN
•
STUD THREAD SIZE AND SERIES/TYPE DESIGNATOR: 0.164-32 UNJC
•
STUD HEAD HEIGHT: 0.290 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL ACCOMMODATED THICKNESS: 0.188 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
•
DRIVE TYPE: SLOTTED
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
STUD SHANK MAJOR DIAMETER: 0.215 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
DIAMETER0.420 INCHES NOMINAL IN
STUD THREAD SIZE AND SERIES/TYPE DESIGNATOR0.164-32 UNJC
STUD HEAD HEIGHT0.290 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
MATERIAL ACCOMMODATED THICKNESS0.188 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
DRIVE TYPESLOTTED
MATERIALSTEEL CORROSION RESISTING OVERALL
STUD SHANK MAJOR DIAMETER0.215 INCHES NOMINAL IN
TURNLOCK STUD HEAD STYLEFLAT FILLISTER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
71377Interchangeable
interchangeable cross-reference
interchangeable
4D7859Interchangeable
interchangeable cross-reference
interchangeable
X125AInterchangeable
interchangeable cross-reference
interchangeable
531297Interchangeable
interchangeable cross-reference
interchangeable
F7500-8-B-2Interchangeable
interchangeable cross-reference
interchangeable
860839-241Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is F7500-8-B-2?
F7500-8-B-2 is a STUD,TURNLOCK FASTENER.
What parts can replace F7500-8-B-2?
There are 7 known substitutes for F7500-8-B-2: 71377, 4D7859, X125A and 4 more. Substitute compatibility should be verified for your specific system.
Is F7500-8-B-2 still available?
F7500-8-B-2 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