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91418A810 — SETSCREW

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

91418A810: SETSCREW.

The SETSCREW is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.833 INCHES MINIMUM AND 0.884 INCHES MAXIMUM IN, point_style: HALF DOG, thread_class: 2A A, thread_length: 3.815 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-385-0141, 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
91418A810
NSN: 5305-01-385-0141
FSC: 5305 — Screws
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.833 INCHES MINIMUM AND 0.884 INCHES MAXIMUM IN
point_styleHALF DOG
thread_class2A A
thread_length3.815 INCHES NOMINAL IN
fastener_length4.000 INCHES NOMINAL IN
hardness_rating48.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
width_between_flats0.606 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
internal_drive_styleW/O INTERNAL DRIVE
nominal_thread_diameter0.625 INCHES IN
NSN5305-01-385-0141
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91418A810 · 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
•
HEAD HEIGHT: 0.833 INCHES MINIMUM AND 0.884 INCHES MAXIMUM IN
•
FASTENER LENGTH: 4.000 INCHES NOMINAL IN
•
THREAD LENGTH: 3.815 INCHES NOMINAL IN
•
HARDNESS RATING: 48.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL
•
NOMINAL THREAD DIAMETER: 0.625 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
POINT STYLE: HALF DOG
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.833 INCHES MINIMUM AND 0.884 INCHES MAXIMUM IN
FASTENER LENGTH4.000 INCHES NOMINAL IN
THREAD LENGTH3.815 INCHES NOMINAL IN
HARDNESS RATING48.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL
NOMINAL THREAD DIAMETER0.625 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
POINT STYLEHALF DOG
WIDTH BETWEEN FLATS0.606 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
COLORBLACK OVERALL
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
SUBSTITUTES & CROSS-REFERENCES 1
1735AS519-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 91418A810?
91418A810 is a SETSCREW.
What parts can replace 91418A810?
There is 1 known substitute for 91418A810: 1735AS519-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 91418A810?
91418A810 is cataloged in the U.S. Government catalog under NSN 5305-01-385-0141. 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.