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5S1-5 — STUD,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

5S1-5: STUD,TURNLOCK FASTENER.

The STUD,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include diameter: 0.309 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN, material: STEEL OVERALL, drive_type: CROSS RECESS, grip_length: 0.162 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN, surface_treatment: CADMIUM OVERALL, turnlock_stud_head_style: FILLISTER. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-550-9596, 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
5S1-5
NSN: 5325-00-550-9596
FSC: 5325 — Fastening Devices
CAGE: 71286 — HOWMET GLOBAL FASTENING SYSTEMS INC DIV CAMLOC PRODUCTS (USA)
SPECIFICATIONS
diameter0.309 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
materialSTEEL OVERALL
drive_typeCROSS RECESS
grip_length0.162 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN
surface_treatmentCADMIUM OVERALL
turnlock_stud_head_styleFILLISTER
stud_shank_major_diameter0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
turnlock_stud_shank_styleSTUD SHANK
material_accommodated_thickness0.080 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
NSN5325-00-550-9596
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 5S1-5 · 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
•
DRIVE TYPE: CROSS RECESS
•
MATERIAL ACCOMMODATED THICKNESS: 0.080 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
•
TURNLOCK STUD SHANK STYLE: STUD SHANK
•
DIAMETER: 0.309 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
•
TURNLOCK STUD HEAD STYLE: FILLISTER
•
STUD SHANK MAJOR DIAMETER: 0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
DRIVE TYPECROSS RECESS
MATERIAL ACCOMMODATED THICKNESS0.080 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
TURNLOCK STUD SHANK STYLESTUD SHANK
DIAMETER0.309 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
TURNLOCK STUD HEAD STYLEFILLISTER
STUD SHANK MAJOR DIAMETER0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL OVERALL
GRIP LENGTH0.162 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
5S5-5Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5S1-5?
5S1-5 is a STUD,TURNLOCK FASTENER.
What parts can replace 5S1-5?
There is 1 known substitute for 5S1-5: 5S5-5. Substitute compatibility should be verified for your specific system.
What is the NSN for 5S1-5?
5S1-5 is cataloged in the U.S. Government catalog under NSN 5325-00-550-9596. 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.