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26S39-3 — STUD ASSEMBLY,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

26S39-3: STUD ASSEMBLY,TURNLOCK FASTENER.

STUD ASSEMBLY,TURNLOCK FASTENER. Key specifications include diameter: 0.298 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN, material: STEEL OVERALL, drive_type: CROSS RECESS, eyelet_length: 0.353 INCHES NOMINAL IN, stud_head_height: 0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN, surface_treatment: NICKEL STUD. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-702-5006, 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
26S39-3
NSN: 5325-00-702-5006
NIINs: 007025006, 011934876
FSC: 5325 — Fastening Devices
CAGE: 71286 — HOWMET GLOBAL FASTENING SYSTEMS INC DIV CAMLOC PRODUCTS (USA)
SPECIFICATIONS
diameter0.298 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN
materialSTEEL OVERALL
drive_typeCROSS RECESS
eyelet_length0.353 INCHES NOMINAL IN
stud_head_height0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
surface_treatmentNICKEL STUD
stud_assembly_styleSTUD ASSEMBLY
eyelet_outside_diameter0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
turnlock_stud_head_styleFILLISTER COUNTERSUNK
distance_from_engaging_member_to_largest_bearing_surface_of_head0.602 INCHES MINIMUM AND 0.617 INCHES MAXIMUM IN
NSN5325-00-702-5006
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 26S39-3 · 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
•
EYELET OUTSIDE DIAMETER: 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
DRIVE TYPE: CROSS RECESS
•
DIAMETER: 0.298 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN
•
STUD HEAD HEIGHT: 0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
•
DISTANCE FROM ENGAGING MEMBER TO LARGEST BEARING SURFACE OF HEAD: 0.602 INCHES MINIMUM AND 0.617 INCHES MAXIMUM IN
•
TURNLOCK STUD HEAD STYLE: FILLISTER COUNTERSUNK
•
SURFACE TREATMENT: CADMIUM LOCKSPRING
TECHNICAL CHARACTERISTICS
EYELET OUTSIDE DIAMETER0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
DRIVE TYPECROSS RECESS
DIAMETER0.298 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN
STUD HEAD HEIGHT0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
DISTANCE FROM ENGAGING MEMBER TO LARGEST BEARING SURFACE OF HEAD0.602 INCHES MINIMUM AND 0.617 INCHES MAXIMUM IN
TURNLOCK STUD HEAD STYLEFILLISTER COUNTERSUNK
SURFACE TREATMENTCADMIUM LOCKSPRING
SURFACE TREATMENTNICKEL STUD
MATERIALSTEEL OVERALL
STUD ASSEMBLY STYLESTUD ASSEMBLY
SUBSTITUTES & CROSS-REFERENCES 1
1126005-3Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 26S39-3?
26S39-3 is a STUD ASSEMBLY,TURNLOCK FASTENER.
What parts can replace 26S39-3?
There is 1 known substitute for 26S39-3: 1126005-3. Substitute compatibility should be verified for your specific system.
What is the NSN for 26S39-3?
26S39-3 is cataloged in the U.S. Government catalog under NSN 5325-00-702-5006. 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.