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MT172AC6F-6 — FASTENER ASSEMBLY,TURNLOCK

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

MT172AC6F-6: FASTENER ASSEMBLY,TURNLOCK.

The FASTENER ASSEMBLY,TURNLOCK is a the manufacturer industrial component. Key specifications include diameter: 0.447 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN, material: STEEL CORROSION RESISTING OVERALL, turnlock_stud_head_style: FLAT COUNTERSUNK, stud_shank_major_diameter: 0.334 INCHES NOMINAL IN, turnlock_stud_shank_style: STUD SHANK. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-481-9330, 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
MT172AC6F-6
NSN: 5325-01-481-9330
FSC: 5325 — Fastening Devices
CAGE: 84256 — AVIBANK MFG., INC. DBA AVIBANK MANUFACTURING INC (USA)
SPECIFICATIONS
diameter0.447 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
materialSTEEL CORROSION RESISTING OVERALL
turnlock_stud_head_styleFLAT COUNTERSUNK
stud_shank_major_diameter0.334 INCHES NOMINAL IN
turnlock_stud_shank_styleSTUD SHANK
NSN5325-01-481-9330
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MT172AC6F-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
•
TURNLOCK STUD SHANK STYLE: STUD SHANK
•
DIAMETER: 0.447 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
•
TURNLOCK STUD HEAD STYLE: FLAT COUNTERSUNK
•
STUD SHANK MAJOR DIAMETER: 0.334 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS
TURNLOCK STUD SHANK STYLESTUD SHANK
DIAMETER0.447 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
TURNLOCK STUD HEAD STYLEFLAT COUNTERSUNK
STUD SHANK MAJOR DIAMETER0.334 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING OVERALL
OTHER ITEMS IN FSC 5325 — Fastening Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317
SUBSTITUTES & CROSS-REFERENCES 3
CA17202F6TXRReference document
Same NSN cross-reference
Reference document — Secondary reference
MT161AC6F6Reference document
Same NSN cross-reference
Reference document — Secondary reference
3M1250AC6F6Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MT172AC6F-6?
MT172AC6F-6 is a FASTENER ASSEMBLY,TURNLOCK.
What parts can replace MT172AC6F-6?
There are 3 known substitutes for MT172AC6F-6: CA17202F6TXR, MT161AC6F6, 3M1250AC6F6. Substitute compatibility should be verified for your specific system.
What is the NSN for MT172AC6F-6?
MT172AC6F-6 is cataloged in the U.S. Government catalog under NSN 5325-01-481-9330. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.