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754-6405243-6 — SETSCREW

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

754-6405243-6: SETSCREW.

The SETSCREW is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 502 OVERALL, head_style: HEXAGON, head_height: 3.250 INCHES NOMINAL IN, point_style: DOG, point_length: 2.000 INCHES NOMINAL IN, thread_class: 2A A. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-418-8639, 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
754-6405243-6
NSN: 5305-01-418-8639
FSC: 5305 — Screws
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY 502 OVERALL
head_styleHEXAGON
head_height3.250 INCHES NOMINAL IN
point_styleDOG
point_length2.000 INCHES NOMINAL IN
thread_class2A A
thread_length2.000 INCHES NOMINAL IN
point_diameter1.760 INCHES MINIMUM AND 1.780 INCHES MAXIMUM IN
fastener_length4.260 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_between_flats2.515 INCHES MINIMUM AND 2.535 INCHES MAXIMUM IN
internal_drive_styleW/O INTERNAL DRIVE
NSN5305-01-418-8639
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 754-6405243-6 · 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
•
POINT DIAMETER: 1.760 INCHES MINIMUM AND 1.780 INCHES MAXIMUM IN
•
HEAD HEIGHT: 3.250 INCHES NOMINAL IN
•
POINT LENGTH: 2.000 INCHES NOMINAL IN
•
FASTENER LENGTH: 4.260 INCHES NOMINAL IN
•
THREAD LENGTH: 2.000 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 2.000 INCHES IN
•
HEAD STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
POINT DIAMETER1.760 INCHES MINIMUM AND 1.780 INCHES MAXIMUM IN
HEAD HEIGHT3.250 INCHES NOMINAL IN
POINT LENGTH2.000 INCHES NOMINAL IN
FASTENER LENGTH4.260 INCHES NOMINAL IN
THREAD LENGTH2.000 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER2.000 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
POINT STYLEDOG
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
211069646Same 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 754-6405243-6?
754-6405243-6 is a SETSCREW.
What parts can replace 754-6405243-6?
There is 1 known substitute for 754-6405243-6: 211069646. Substitute compatibility should be verified for your specific system.
What is the NSN for 754-6405243-6?
754-6405243-6 is cataloged in the U.S. Government catalog under NSN 5305-01-418-8639. 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.