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2302821-1 — STUD,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

2302821-1: STUD,TURNLOCK FASTENER.

The STUD,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include diameter: 0.335 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN, material: STEEL OVERALL, drive_type: SLOTTED, grip_length: 0.110 INCHES NOMINAL IN, minor_diameter: 0.196 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN, stud_head_height: 0.062 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-042-6567, 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
2302821-1
NSN: 5325-00-042-6567
FSC: 5325 — Fastening Devices
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
diameter0.335 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
materialSTEEL OVERALL
drive_typeSLOTTED
grip_length0.110 INCHES NOMINAL IN
minor_diameter0.196 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
stud_head_height0.062 INCHES NOMINAL IN
surface_treatmentCADMIUM OVERALL
minor_diameter_length0.270 INCHES NOMINAL IN
turnlock_stud_head_styleFLAT FILLISTER
stud_shank_major_diameter0.213 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN
turnlock_stud_shank_styleSTUD SHANK
material_accommodated_thickness0.064 INCHES NOMINAL IN
NSN5325-00-042-6567
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2302821-1 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
DRIVE TYPE: SLOTTED
•
MATERIAL ACCOMMODATED THICKNESS: 0.064 INCHES NOMINAL IN
•
TURNLOCK STUD SHANK STYLE: STUD SHANK
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633,COMP FS1118 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
DIAMETER: 0.335 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
•
STUD HEAD HEIGHT: 0.062 INCHES NOMINAL IN
•
TURNLOCK STUD HEAD STYLE: FLAT FILLISTER
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
DRIVE TYPESLOTTED
MATERIAL ACCOMMODATED THICKNESS0.064 INCHES NOMINAL IN
TURNLOCK STUD SHANK STYLESTUD SHANK
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633,COMP FS1118 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
DIAMETER0.335 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
STUD HEAD HEIGHT0.062 INCHES NOMINAL IN
TURNLOCK STUD HEAD STYLEFLAT FILLISTER
STUD SHANK MAJOR DIAMETER0.213 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM 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: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2302821-1?
2302821-1 is a STUD,TURNLOCK FASTENER.
What is the NSN for 2302821-1?
2302821-1 is cataloged in the U.S. Government catalog under NSN 5325-00-042-6567. 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.