PartsTable
Technical Data Sheet

P51/901/357 — STUD,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

P51/901/357: STUD,TURNLOCK FASTENER.

The STUD,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, grip_length: 0.520 INCHES NOMINAL IN, head_length: 1.156 INCHES NOMINAL IN, stud_head_height: 0.953 INCHES NOMINAL IN, shank_neck_length: 0.365 INCHES NOMINAL IN, surface_treatment: ZINC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-140-4843, 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
P51/901/357
NSN: 5325-01-140-4843
FSC: 5325 — Fastening Devices
CAGE: K2449 — EXSEL DYTECNA LIMITED (GBR)
SPECIFICATIONS
materialSTEEL OVERALL
grip_length0.520 INCHES NOMINAL IN
head_length1.156 INCHES NOMINAL IN
stud_head_height0.953 INCHES NOMINAL IN
shank_neck_length0.365 INCHES NOMINAL IN
surface_treatmentZINC OVERALL
securing_device_typeRING
turnlock_stud_head_styleLOOP ON FLAT FILLISTER
stud_shank_major_diameter0.290 INCHES NOMINAL IN
turnlock_stud_shank_styleSTUD SHANK
material_accommodated_thickness0.250 INCHES MINIMUM AND 0.269 INCHES MAXIMUM IN
NSN5325-01-140-4843
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: P51/901/357 · 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
•
HEAD LENGTH: 1.156 INCHES NOMINAL IN
•
MATERIAL ACCOMMODATED THICKNESS: 0.250 INCHES MINIMUM AND 0.269 INCHES MAXIMUM IN
•
TURNLOCK STUD SHANK STYLE: STUD SHANK
•
STUD HEAD HEIGHT: 0.953 INCHES NOMINAL IN
•
SHANK NECK LENGTH: 0.365 INCHES NOMINAL IN
•
SECURING DEVICE TYPE: RING
•
TURNLOCK STUD HEAD STYLE: LOOP ON FLAT FILLISTER
•
STUD SHANK MAJOR DIAMETER: 0.290 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HEAD LENGTH1.156 INCHES NOMINAL IN
MATERIAL ACCOMMODATED THICKNESS0.250 INCHES MINIMUM AND 0.269 INCHES MAXIMUM IN
TURNLOCK STUD SHANK STYLESTUD SHANK
STUD HEAD HEIGHT0.953 INCHES NOMINAL IN
SHANK NECK LENGTH0.365 INCHES NOMINAL IN
SECURING DEVICE TYPERING
TURNLOCK STUD HEAD STYLELOOP ON FLAT FILLISTER
STUD SHANK MAJOR DIAMETER0.290 INCHES NOMINAL IN
SURFACE TREATMENTZINC OVERALL
MATERIALSTEEL 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is P51/901/357?
P51/901/357 is a STUD,TURNLOCK FASTENER.
What is the NSN for P51/901/357?
P51/901/357 is cataloged in the U.S. Government catalog under NSN 5325-01-140-4843. 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.