PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 834818-00
834818-00 ✓ 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: 0.377 INCHES MINIMUM AND 0.384 INCHES MAXIMUM IN, material: STEEL PIN, drive_type: SLOTTED, eyelet_length: 0.257 INCHES NOMINAL IN, surface_treatment: CADMIUM AND CHROMATE OVERALL, stud_assembly_style: STUD ASSEMBLY. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-291-0216, 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
834818-00
NSN: 5325-00-291-0216
FSC: 5325
CAGE: 32345 — DEFENSE REDUCTION AGENCY (USA)
SPECIFICATIONS
diameter0.377 INCHES MINIMUM AND 0.384 INCHES MAXIMUM IN
materialSTEEL PIN
drive_typeSLOTTED
eyelet_length0.257 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_styleFLAT COUNTERSUNK
material_accommodated_thickness0.501 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN
material_document_and_classificationQQ-P-470 FED SPEC SINGLE MATERIAL RESPONSE EJECTOR SPRING
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
distance_from_engaging_member_to_largest_bearing_surface_of_head0.873 INCHES MINIMUM AND 0.883 INCHES MAXIMUM IN
NSN5325-00-291-0216
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 834818-00 · 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
•
TURNLOCK STUD HEAD STYLE: FLAT COUNTERSUNK
•
EYELET OUTSIDE DIAMETER: 0.341 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE PIN
•
MATERIAL: STEEL COMP 1009 OR STEEL COMP 1050 OR STEEL COMP 1112 EYELET
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
TURNLOCK STUD HEAD STYLEFLAT COUNTERSUNK
EYELET OUTSIDE DIAMETER0.341 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE PIN
MATERIALSTEEL COMP 1009 OR STEEL COMP 1050 OR STEEL COMP 1112 EYELET
MATERIALSTEEL EJECTOR SPRING
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
MATERIALSTEEL PIN
MATERIALSTEEL COMP 4037 STUD
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-P-470 FED SPEC SINGLE MATERIAL RESPONSE EJECTOR SPRING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
SM-C-800985-1Interchangeable
interchangeable cross-reference
interchangeable
4001255Interchangeable
interchangeable cross-reference
interchangeable
400216Interchangeable
interchangeable cross-reference
interchangeable
AN6-23Interchangeable
interchangeable cross-reference
interchangeable
400216CPInterchangeable
interchangeable cross-reference
interchangeable
2994598Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 834818-00?
834818-00 is a STUD ASSEMBLY,TURNLOCK FASTENER.
What parts can replace 834818-00?
There are 8 known substitutes for 834818-00: SM-C-800985-1, 4001255, 400216 and 5 more. Substitute compatibility should be verified for your specific system.
Is 834818-00 still available?
834818-00 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026