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Technical Data Sheet
PartsTable / COMPONENT / 7767688
7767688 ✓ 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: 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.625 INCHES MAXIMUM IN, screw_material: STEEL COMP 1118, fastener_length: 0.625 INCHES NOMINAL 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 5305-00-776-7688, 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
7767688
NSN: 5305-00-776-7688
FSC: 5305
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
head_styleHEXAGON
head_height0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN
thread_class2A A
thread_length0.625 INCHES MAXIMUM IN
screw_materialSTEEL COMP 1118
fastener_length0.625 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_between_flats0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN
internal_drive_styleSLOT
nominal_thread_diameter0.250 INCHES IN
screw_surface_treatmentCADMIUM
thread_quantity_per_inch20
NSN5305-00-776-7688
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 7767688 · 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 MATERIAL: STEEL COMP 1118
•
HEAD STYLE: HEXAGON
•
INTERNAL DRIVE STYLE: SLOT
•
THREAD LENGTH: 0.625 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.625 INCHES NOMINAL IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633 CANCELED FED SPEC SINGLE MATERIAL RESPONSE
•
THREAD CLASS: 2A A
TECHNICAL CHARACTERISTICS (FLIS)
SCREW MATERIALSTEEL COMP 1118
HEAD STYLEHEXAGON
INTERNAL DRIVE STYLESLOT
THREAD LENGTH0.625 INCHES MAXIMUM IN
FASTENER LENGTH0.625 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 CANCELED FED SPEC SINGLE MATERIAL RESPONSE
THREAD CLASS2A A
SCREW SURFACE TREATMENTCADMIUM
THREAD QUANTITY PER INCH20
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
8-52-16-1Interchangeable
interchangeable cross-reference
interchangeable
8-52-16Interchangeable
interchangeable cross-reference
interchangeable
776-7688Interchangeable
interchangeable cross-reference
interchangeable
67688Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7767688?
7767688 is a SCREW,MACHINE.
What parts can replace 7767688?
There are 4 known substitutes for 7767688: 8-52-16-1, 8-52-16, 776-7688 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7767688?
7767688 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-776-7688. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026