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91783A716 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

91783A716: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: ROUND, head_height: 0.332 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.766 INCHES MINIMUM AND 0.813 INCHES MAXIMUM IN, thread_length: 1.168 INCHES MINIMUM IN, screw_material: STEEL COMP 304. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-665-7286, 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
91783A716
NSN: 5305-01-665-7286
FSC: 5305 — Screws
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
head_styleROUND
head_height0.332 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.766 INCHES MINIMUM AND 0.813 INCHES MAXIMUM IN
thread_length1.168 INCHES MINIMUM IN
screw_materialSTEEL COMP 304
fastener_length1.500 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
end_item_identification4930-01-612-3541
nominal_thread_diameter0.500 INCHES IN
screw_surface_treatmentPASSIVATE
NSN5305-01-665-7286
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91783A716 · 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: 0.332 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: PASSIVATE
•
FASTENER LENGTH: 1.500 INCHES NOMINAL IN
•
THREAD LENGTH: 1.168 INCHES MINIMUM IN
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
HEAD STYLE: ROUND
•
THREAD DIRECTION: RIGHT-HAND
•
SPECIFICATION/STANDARD DATA: 05047-ASMEB18.24-2015 NATIONAL STD/SPEC
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.332 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTPASSIVATE
FASTENER LENGTH1.500 INCHES NOMINAL IN
THREAD LENGTH1.168 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER0.500 INCHES IN
HEAD STYLEROUND
THREAD DIRECTIONRIGHT-HAND
SPECIFICATION/STANDARD DATA05047-ASMEB18.24-2015 NATIONAL STD/SPEC
SCREW MATERIALSTEEL COMP 304
INTERNAL DRIVE STYLESLOT
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
B18.24-2004Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 91783A716?
91783A716 is a SCREW,MACHINE.
What parts can replace 91783A716?
There is 1 known substitute for 91783A716: B18.24-2004. Substitute compatibility should be verified for your specific system.
What is the NSN for 91783A716?
91783A716 is cataloged in the U.S. Government catalog under NSN 5305-01-665-7286. 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.