PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 4002-7K
4002-7K ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

STUD ASSEMBLY,TURNLOCK FASTENER. Key specifications include diameter: 0.750 INCHES NOMINAL IN, eyelet_length: 0.352 INCHES NOMINAL IN, stud_head_height: 0.340 INCHES NOMINAL IN, surface_treatment: CADMIUM AND CHROMATE OVERALL, stud_assembly_style: STUD ASSEMBLY, eyelet_outside_diameter: 0.341 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-639-5114, 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
4002-7K
NSN: 5325-00-639-5114
FSC: 5325
CAGE: 71286 — HOWMET GLOBAL FASTENING SYSTEMS INC DIV CAMLOC PRODUCTS (USA)
SPECIFICATIONS
diameter0.750 INCHES NOMINAL IN
eyelet_length0.352 INCHES NOMINAL IN
stud_head_height0.340 INCHES NOMINAL IN
surface_treatmentCADMIUM AND CHROMATE OVERALL
stud_assembly_styleSTUD ASSEMBLY
eyelet_outside_diameter0.341 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
turnlock_stud_head_styleSTUD HEAD
material_accommodated_thickness0.231 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
material_document_and_classificationQQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE PIN
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
distance_from_engaging_member_to_largest_bearing_surface_of_head0.603 INCHES MINIMUM AND 0.618 INCHES MAXIMUM IN
NSN5325-00-639-5114
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4002-7K · 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: CADMIUM AND CHROMATE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE PIN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
STUD HEAD HEIGHT: 0.340 INCHES NOMINAL IN
•
DISTANCE FROM ENGAGING MEMBER TO LARGEST BEARING SURFACE OF HEAD: 0.603 INCHES MINIMUM AND 0.618 INCHES MAXIMUM IN
•
STUD ASSEMBLY STYLE: STUD ASSEMBLY
•
MATERIAL ACCOMMODATED THICKNESS: 0.231 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
•
DIAMETER: 0.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE PIN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
STUD HEAD HEIGHT0.340 INCHES NOMINAL IN
DISTANCE FROM ENGAGING MEMBER TO LARGEST BEARING SURFACE OF HEAD0.603 INCHES MINIMUM AND 0.618 INCHES MAXIMUM IN
STUD ASSEMBLY STYLESTUD ASSEMBLY
MATERIAL ACCOMMODATED THICKNESS0.231 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
DIAMETER0.750 INCHES NOMINAL IN
TURNLOCK STUD HEAD STYLESTUD HEAD
EYELET LENGTH0.352 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
5362-5Interchangeable
interchangeable cross-reference
interchangeable
503-9420-003Interchangeable
interchangeable cross-reference
interchangeable
13456Interchangeable
interchangeable cross-reference
interchangeable
650076Interchangeable
interchangeable cross-reference
interchangeable
70321Interchangeable
interchangeable cross-reference
interchangeable
G20592Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4002-7K?
4002-7K is a STUD ASSEMBLY,TURNLOCK FASTENER.
What parts can replace 4002-7K?
There are 7 known substitutes for 4002-7K: 5362-5, 503-9420-003, 13456 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4002-7K?
4002-7K is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-639-5114. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026