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Technical Data Sheet
PartsTable / COMPONENT / SM-D-766931-11
SM-D-766931-11 ✓ 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

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, head_height: 0.049 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.293 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, screw_material: STEEL COMP 410 OR STEEL COMP 416, fastener_length: 0.343 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-173-3514, 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
SM-D-766931-11
NSN: 5305-01-173-3514
FSC: 5305
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
head_styleHEXAGON
head_height0.049 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
thread_class2A A
thread_length0.293 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
screw_materialSTEEL COMP 410 OR STEEL COMP 416
fastener_length0.343 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
hardness_rating36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
thread_directionRIGHT-HAND
width_between_flats0.181 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
internal_drive_styleSLOT
nominal_thread_diameter0.164 INCHES IN
screw_surface_treatmentPASSIVATE
NSN5305-01-173-3514
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SM-D-766931-11 · 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
•
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
•
INTERNAL DRIVE STYLE: SLOT
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
THREAD LENGTH: 0.293 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
SCREW MATERIAL: STEEL COMP 410 OR STEEL COMP 416
•
FASTENER LENGTH: 0.343 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD ALL MATERIAL RESPONSES
TECHNICAL CHARACTERISTICS (FLIS)
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
INTERNAL DRIVE STYLESLOT
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD DIAMETER0.164 INCHES IN
THREAD LENGTH0.293 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
SCREW MATERIALSTEEL COMP 410 OR STEEL COMP 416
FASTENER LENGTH0.343 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD ALL MATERIAL RESPONSES
THREAD CLASS2A A
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
68B618000-239Interchangeable
interchangeable cross-reference
interchangeable
4030-1Interchangeable
interchangeable cross-reference
interchangeable
4500-239Interchangeable
interchangeable cross-reference
interchangeable
C1A40301Interchangeable
interchangeable cross-reference
interchangeable
C119046Interchangeable
interchangeable cross-reference
interchangeable
108172Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SM-D-766931-11?
SM-D-766931-11 is a SCREW,MACHINE.
What parts can replace SM-D-766931-11?
There are 13 known substitutes for SM-D-766931-11: 68B618000-239, 4030-1, 4500-239 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SM-D-766931-11?
SM-D-766931-11 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-173-3514. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026