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751-6402602-8 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

751-6402602-8: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 2A A, thread_length: 0.750 INCHES NOMINAL IN, screw_material: COPPER ALLOY, fastener_length: 0.750 INCHES NOMINAL IN, special_features: SELF-LOCKING. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-452-0572, 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
751-6402602-8
NSN: 5305-01-452-0572
FSC: 5305 — Screws
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
thread_class2A A
thread_length0.750 INCHES NOMINAL IN
screw_materialCOPPER ALLOY
fastener_length0.750 INCHES NOMINAL IN
special_featuresSELF-LOCKING
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.250 INCHES IN
thread_quantity_per_inch20
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
screw_material_document_and_classificationQQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE
NSN5305-01-452-0572
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 751-6402602-8 · 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: 0.750 INCHES NOMINAL IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE
•
THREAD LENGTH: 0.750 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS
FASTENER LENGTH0.750 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE
THREAD LENGTH0.750 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALCOPPER ALLOY
SPECIAL FEATURESSELF-LOCKING
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
THREAD CLASS2A A
SUBSTITUTES & CROSS-REFERENCES 8
FF-S-92, TY-III, STY-2CReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
751-6402601 ITEM 8Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
211041155Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
751-6404604-146Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
751-6402604 FIND 8Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
751-6402603 FIND 8Reference 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 751-6402602-8?
751-6402602-8 is a SCREW,MACHINE.
What parts can replace 751-6402602-8?
There are 8 known substitutes for 751-6402602-8: FF-S-92, TY-III, STY-2C, 751-6402601 ITEM 8, 211041155 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 751-6402602-8?
751-6402602-8 is cataloged in the U.S. Government catalog under NSN 5305-01-452-0572. 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.