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91S2-11W0 — STUD ASSEMBLY,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

91S2-11W0: STUD ASSEMBLY,TURNLOCK FASTENER.

STUD ASSEMBLY,TURNLOCK FASTENER. Key specifications include material: STEEL OVERALL, head_length: 1.970 INCHES NOMINAL IN, stud_diameter: 0.372 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN, stud_head_height: 0.900 INCHES MINIMUM AND 0.980 INCHES MAXIMUM IN, surface_treatment: CADMIUM AND CHROMATE OVERALL, stud_assembly_style: STUD ASSEMBLY. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-443-1359, 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
91S2-11W0
NSN: 5325-00-443-1359
NIINs: 004431359, 007797763
FSC: 5325 — Fastening Devices
CAGE: 71286 — HOWMET GLOBAL FASTENING SYSTEMS INC DIV CAMLOC PRODUCTS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_length1.970 INCHES NOMINAL IN
stud_diameter0.372 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN
stud_head_height0.900 INCHES MINIMUM AND 0.980 INCHES MAXIMUM IN
surface_treatmentCADMIUM AND CHROMATE OVERALL
stud_assembly_styleSTUD ASSEMBLY
securing_device_typeWASHER
turnlock_stud_head_styleFLAT FILLISTER SINGLE WING
material_accommodated_thickness0.335 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN
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_head0.773 INCHES NOMINAL IN
NSN5325-00-443-1359
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91S2-11W0 · 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
SUBSTITUTES & CROSS-REFERENCES 2
BUWEPSDWG2642822Reference document
Same NSN cross-reference
Reference document — Secondary reference
2642822Same 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 91S2-11W0?
91S2-11W0 is a STUD ASSEMBLY,TURNLOCK FASTENER.
What parts can replace 91S2-11W0?
There are 2 known substitutes for 91S2-11W0: BUWEPSDWG2642822, 2642822. Substitute compatibility should be verified for your specific system.
What is the NSN for 91S2-11W0?
91S2-11W0 is cataloged in the U.S. Government catalog under NSN 5325-00-443-1359. 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.