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1202399-1 — STUD,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1202399-1: STUD,TURNLOCK FASTENER.

The STUD,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include material: STEEL OR STEEL COMP 8620 OVERALL, grip_length: 0.950 INCHES NOMINAL IN, head_length: 1.115 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN, stud_head_height: 0.438 INCHES NOMINAL IN, shank_neck_length: 0.680 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN, surface_treatment: CADMIUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-101-0827, 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
1202399-1
NSN: 5325-01-101-0827
FSC: 5325 — Fastening Devices
CAGE: 06424 — ALLIANT TECHSYSTEMS OPERATIONS LLC DIV DEFENSE ELECTRONIC SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL OR STEEL COMP 8620 OVERALL
grip_length0.950 INCHES NOMINAL IN
head_length1.115 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
stud_head_height0.438 INCHES NOMINAL IN
shank_neck_length0.680 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN
surface_treatmentCADMIUM OVERALL
turnlock_stud_head_styleFILLISTER WING
stud_shank_major_diameter0.306 INCHES MINIMUM AND 0.311 INCHES MAXIMUM IN
turnlock_stud_shank_styleSTUD SHANK
material_accommodated_thickness0.641 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
material_document_and_classificationSAE 2317 ASSN STD 1ST MATERIAL RESPONSE OR MIL-F-5591,SIZE 5,STYLE 1 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
NSN5325-01-101-0827
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1202399-1 · 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 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
HEAD LENGTH: 1.115 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
•
MATERIAL ACCOMMODATED THICKNESS: 0.641 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
•
TURNLOCK STUD SHANK STYLE: STUD SHANK
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 2317 ASSN STD 1ST MATERIAL RESPONSE OR MIL-F-5591,SIZE 5,STYLE 1 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
•
STUD HEAD HEIGHT: 0.438 INCHES NOMINAL IN
•
SHANK NECK LENGTH: 0.680 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN
•
TURNLOCK STUD HEAD STYLE: FILLISTER WING
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD LENGTH1.115 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
MATERIAL ACCOMMODATED THICKNESS0.641 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
TURNLOCK STUD SHANK STYLESTUD SHANK
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 2317 ASSN STD 1ST MATERIAL RESPONSE OR MIL-F-5591,SIZE 5,STYLE 1 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
STUD HEAD HEIGHT0.438 INCHES NOMINAL IN
SHANK NECK LENGTH0.680 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN
TURNLOCK STUD HEAD STYLEFILLISTER WING
STUD SHANK MAJOR DIAMETER0.306 INCHES MINIMUM AND 0.311 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 1
AW5-65SEFReference document
Same NSN cross-reference
Reference document — Secondary reference
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 1202399-1?
1202399-1 is a STUD,TURNLOCK FASTENER.
What parts can replace 1202399-1?
There is 1 known substitute for 1202399-1: AW5-65SEF. Substitute compatibility should be verified for your specific system.
What is the NSN for 1202399-1?
1202399-1 is cataloged in the U.S. Government catalog under NSN 5325-01-101-0827. 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.