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4002-18SW — STUD ASSEMBLY,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4002-18SW: STUD ASSEMBLY,TURNLOCK FASTENER.

STUD ASSEMBLY,TURNLOCK FASTENER. Key specifications include material: STEEL CORROSION RESISTING OVERALL, drive_type: SLOTTED, head_length: 0.850 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN, eyelet_length: 0.247 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN, stud_head_height: 0.510 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN, stud_assembly_style: STUD ASSEMBLY. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-287-5847, 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
4002-18SW
NSN: 5325-01-287-5847
FSC: 5325 — Fastening Devices
CAGE: 71286 — HOWMET GLOBAL FASTENING SYSTEMS INC DIV CAMLOC PRODUCTS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
drive_typeSLOTTED
head_length0.850 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN
eyelet_length0.247 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN
stud_head_height0.510 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN
stud_assembly_styleSTUD ASSEMBLY
securing_device_typeGROMMET
eyelet_outside_diameter0.341 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
turnlock_stud_head_styleFILLISTER WING
material_accommodated_thickness0.561 INCHES MINIMUM AND 0.590 INCHES MAXIMUM IN
distance_from_engaging_member_to_largest_bearing_surface_of_head1.395 INCHES NOMINAL IN
NSN5325-01-287-5847
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4002-18SW · 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: 0.850 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN
•
EYELET OUTSIDE DIAMETER: 0.341 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
•
DRIVE TYPE: SLOTTED
•
MATERIAL ACCOMMODATED THICKNESS: 0.561 INCHES MINIMUM AND 0.590 INCHES MAXIMUM IN
•
STUD HEAD HEIGHT: 0.510 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN
•
SECURING DEVICE TYPE: GROMMET
•
DISTANCE FROM ENGAGING MEMBER TO LARGEST BEARING SURFACE OF HEAD: 1.395 INCHES NOMINAL IN
•
TURNLOCK STUD HEAD STYLE: FILLISTER WING
TECHNICAL CHARACTERISTICS
HEAD LENGTH0.850 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN
EYELET OUTSIDE DIAMETER0.341 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
DRIVE TYPESLOTTED
MATERIAL ACCOMMODATED THICKNESS0.561 INCHES MINIMUM AND 0.590 INCHES MAXIMUM IN
STUD HEAD HEIGHT0.510 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN
SECURING DEVICE TYPEGROMMET
DISTANCE FROM ENGAGING MEMBER TO LARGEST BEARING SURFACE OF HEAD1.395 INCHES NOMINAL IN
TURNLOCK STUD HEAD STYLEFILLISTER WING
MATERIALSTEEL CORROSION RESISTING OVERALL
STUD ASSEMBLY STYLESTUD ASSEMBLY
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4002-18SW?
4002-18SW is a STUD ASSEMBLY,TURNLOCK FASTENER.
What is the NSN for 4002-18SW?
4002-18SW is cataloged in the U.S. Government catalog under NSN 5325-01-287-5847. 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.