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Technical Data Sheet
PartsTable / COMPONENT / F3 1/2T6
F3 1/2T6 ✓ 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 F3 1/2T6 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-057-6367, 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
F3 1/2T6
NSN: 5325-00-057-6367
FSC: 5325
CAGE: 72794 — SOUTHCO INC (USA)
SPECIFICATIONS
Part NumberF3 1/2T6
NSN5325-00-057-6367
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: F3 1/2T6 · 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
•
STUD SHANK MAJOR DIAMETER: 0.212 INCHES MINIMUM AND 0.217 INCHES MAXIMUM IN
•
MATERIAL ACCOMMODATED THICKNESS: 0.051 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
•
GRIP LENGTH: 0.290 INCHES NOMINAL IN
•
MATERIAL: STEEL OR STEEL COMP 8620 OVERALL
•
SHANK NECK LENGTH: 0.170 INCHES NOMINAL IN
•
DIAMETER: 0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND A CLASS AND B CLASS AND 1 STYLE AND 2 SIZE
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
STUD SHANK MAJOR DIAMETER0.212 INCHES MINIMUM AND 0.217 INCHES MAXIMUM IN
MATERIAL ACCOMMODATED THICKNESS0.051 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
GRIP LENGTH0.290 INCHES NOMINAL IN
MATERIALSTEEL OR STEEL COMP 8620 OVERALL
SHANK NECK LENGTH0.170 INCHES NOMINAL IN
DIAMETER0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
NONDEFINITIVE SPEC/STD DATA1 TYPE AND A CLASS AND B CLASS AND 1 STYLE AND 2 SIZE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
DRIVE TYPESLOTTED
TURNLOCK STUD HEAD STYLEFLAT COUNTERSUNK
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
F31-2T6Interchangeable
Same NIIN cross-reference
interchangeable
MIL-F-5591Interchangeable
Same NIIN cross-reference
interchangeable
F3.5T6Interchangeable
Same NIIN cross-reference
interchangeable
F35T6Interchangeable
Same NIIN cross-reference
interchangeable
50-007F6Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is F3 1/2T6?
F3 1/2T6 is a F3 1/2T6.
What parts can replace F3 1/2T6?
There are 5 known substitutes for F3 1/2T6: F31-2T6, MIL-F-5591, F3.5T6 and 2 more. Substitute compatibility should be verified for your specific system.
Is F3 1/2T6 still available?
F3 1/2T6 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