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751-6402201-40 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

751-6402201-40: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: PAN, head_height: 0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN, thread_length: 0.500 INCHES NOMINAL IN, screw_material: STEEL. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-423-2363, 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
751-6402201-40
NSN: 5305-01-423-2363
FSC: 5305 — Screws
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
head_stylePAN
head_height0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN
thread_length0.500 INCHES NOMINAL IN
screw_materialSTEEL
fastener_length0.500 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.250 INCHES IN
locking_feature_materialPLASTIC POLYAMIDE NYLON
thread_quantity_per_inch20
NSN5305-01-423-2363
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 751-6402201-40 · 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: 0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.500 INCHES NOMINAL IN
•
THREAD LENGTH: 0.500 INCHES NOMINAL IN
•
LOCKING FEATURE MATERIAL: PLASTIC POLYAMIDE NYLON
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: PAN
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
FASTENER LENGTH0.500 INCHES NOMINAL IN
THREAD LENGTH0.500 INCHES NOMINAL IN
LOCKING FEATURE MATERIALPLASTIC POLYAMIDE NYLON
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEPAN
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
THREAD CLASS2A A
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 5
751-6402201 FIND 40Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
0.250-20UNC-2AX0.500Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
211041667Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
751-6402202 FIND 40Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
751-6402202-40Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 751-6402201-40?
751-6402201-40 is a SCREW,MACHINE.
What parts can replace 751-6402201-40?
There are 5 known substitutes for 751-6402201-40: 751-6402201 FIND 40, 0.250-20UNC-2AX0.500, 211041667 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 751-6402201-40?
751-6402201-40 is cataloged in the U.S. Government catalog under NSN 5305-01-423-2363. 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.