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91263A608 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

91263A608: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_height: 0.251 INCHES NOMINAL IN, head_diameter: 0.938 INCHES NOMINAL IN, thread_length: 1.75 INCHES NOMINAL IN, width_across_flats: 0.3125 INCHES NOMINAL IN, internal_drive_style: HEXAGON. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-698-6164, 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
91263A608
NSN: 5305-01-698-6164
FSC: 5305 — Screws
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_height0.251 INCHES NOMINAL IN
head_diameter0.938 INCHES NOMINAL IN
thread_length1.75 INCHES NOMINAL IN
width_across_flats0.3125 INCHES NOMINAL IN
internal_drive_styleHEXAGON
nominal_thread_diameter0.5 INCHES IN
part_name_assigned_by_controlling_agencySCREW,CAP,SOCKET HEAD
NSN5305-01-698-6164
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91263A608 · 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
•
WIDTH ACROSS FLATS: 0.3125 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.251 INCHES NOMINAL IN
•
THREAD LENGTH: 1.75 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.5 INCHES IN
•
INTERNAL DRIVE STYLE: HEXAGON
•
MATERIAL: STEEL OVERALL
•
HEAD DIAMETER: 0.938 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.3125 INCHES NOMINAL IN
HEAD HEIGHT0.251 INCHES NOMINAL IN
THREAD LENGTH1.75 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.5 INCHES IN
INTERNAL DRIVE STYLEHEXAGON
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW,CAP,SOCKET HEAD
MATERIALSTEEL OVERALL
HEAD DIAMETER0.938 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 91263A608?
91263A608 is a SCREW,CAP,SOCKET HEAD.
What is the NSN for 91263A608?
91263A608 is cataloged in the U.S. Government catalog under NSN 5305-01-698-6164. 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.