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26S13B8 — STUD ASSEMBLY,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

26S13B8: STUD ASSEMBLY,TURNLOCK FASTENER.

STUD ASSEMBLY,TURNLOCK FASTENER. Key specifications include material: STEEL EYELET, head_length: 0.840 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN, eyelet_length: 0.322 INCHES NOMINAL IN, stud_head_height: 0.640 INCHES NOMINAL IN, surface_treatment: CADMIUM AND CHROMATE EYELET, stud_assembly_style: STUD ASSEMBLY. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-950-1882, 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
26S13B8
NSN: 5325-00-950-1882
FSC: 5325 — Fastening Devices
CAGE: 71286 — HOWMET GLOBAL FASTENING SYSTEMS INC DIV CAMLOC PRODUCTS (USA)
SPECIFICATIONS
materialSTEEL EYELET
head_length0.840 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN
eyelet_length0.322 INCHES NOMINAL IN
stud_head_height0.640 INCHES NOMINAL IN
surface_treatmentCADMIUM AND CHROMATE EYELET
stud_assembly_styleSTUD ASSEMBLY
eyelet_outside_diameter0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
turnlock_stud_head_styleFILLISTER WING
material_accommodated_thickness0.240 INCHES MINIMUM AND 0.269 INCHES MAXIMUM IN
material_document_and_classificationAISI 4037 FSCM 73428 MFR REF SINGLE MATERIAL RESPONSE STUD
surface_treatment_document_and_classificationQQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE STUD
distance_from_engaging_member_to_largest_bearing_surface_of_head0.752 INCHES MINIMUM AND 0.767 INCHES MAXIMUM IN
NSN5325-00-950-1882
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 26S13B8 · 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 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE CAP
•
HEAD LENGTH: 0.840 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN
•
EYELET OUTSIDE DIAMETER: 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
MATERIAL ACCOMMODATED THICKNESS: 0.240 INCHES MINIMUM AND 0.269 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI 4037 FSCM 73428 MFR REF SINGLE MATERIAL RESPONSE STUD
•
STUD HEAD HEIGHT: 0.640 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE CAP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE EYELET
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE STUD
HEAD LENGTH0.840 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN
EYELET OUTSIDE DIAMETER0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
MATERIAL ACCOMMODATED THICKNESS0.240 INCHES MINIMUM AND 0.269 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAISI 4037 FSCM 73428 MFR REF SINGLE MATERIAL RESPONSE STUD
STUD HEAD HEIGHT0.640 INCHES NOMINAL IN
DISTANCE FROM ENGAGING MEMBER TO LARGEST BEARING SURFACE OF HEAD0.752 INCHES MINIMUM AND 0.767 INCHES MAXIMUM IN
TURNLOCK STUD HEAD STYLEFILLISTER WING
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 — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 26S13B8?
26S13B8 is a STUD ASSEMBLY,TURNLOCK FASTENER.
What is the NSN for 26S13B8?
26S13B8 is cataloged in the U.S. Government catalog under NSN 5325-00-950-1882. 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.