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91430A428 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

91430A428: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include thread_length: 17.000 INCHES NOMINAL IN, screw_material: STEEL, fastener_length: 20.000 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, end_item_identification: NSN: 1940-01-526-0770, nominal_thread_diameter: 6.000 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-545-8219, 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
91430A428
NSN: 5305-01-545-8219
FSC: 5305 — Screws
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
thread_length17.000 INCHES NOMINAL IN
screw_materialSTEEL
fastener_length20.000 INCHES NOMINAL IN
thread_directionRIGHT-HAND
end_item_identificationNSN: 1940-01-526-0770
nominal_thread_diameter6.000 INCHES IN
thread_series_designatorM
part_name_assigned_by_controlling_agency18-8 STAINLESS STEEL FLAT HEAD SLOTTED MACHINE SCREW
NSN5305-01-545-8219
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91430A428 · 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
•
FASTENER LENGTH: 20.000 INCHES NOMINAL IN
•
THREAD LENGTH: 17.000 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 6.000 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL
•
THREAD SERIES DESIGNATOR: M
TECHNICAL CHARACTERISTICS
FASTENER LENGTH20.000 INCHES NOMINAL IN
THREAD LENGTH17.000 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER6.000 INCHES IN
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL
PART NAME ASSIGNED BY CONTROLLING AGENCY18-8 STAINLESS STEEL FLAT HEAD SLOTTED MACHINE SCREW
END ITEM IDENTIFICATIONNSN: 1940-01-526-0770
THREAD SERIES DESIGNATORM
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 1
A6300060020FSame 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 91430A428?
91430A428 is a SCREW,MACHINE.
What parts can replace 91430A428?
There is 1 known substitute for 91430A428: A6300060020F. Substitute compatibility should be verified for your specific system.
What is the NSN for 91430A428?
91430A428 is cataloged in the U.S. Government catalog under NSN 5305-01-545-8219. 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.