PartsTable
Technical Data Sheet
Download PDF

751-6402301-39 — SCREW,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

751-6402301-39: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY R-405 OVERALL, head_style: HEXAGON, head_height: 0.250 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.500 INCHES NOMINAL IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-399-0187, 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
751-6402301-39
NSN: 5305-01-399-0187
FSC: 5305 — Screws
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY R-405 OVERALL
head_styleHEXAGON
head_height0.250 INCHES NOMINAL IN
thread_class2A A
thread_length0.500 INCHES NOMINAL IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length0.875 INCHES NOMINAL IN
locking_featurePATCH OR PELLET OR STRIP THREADS
shoulder_length0.178 INCHES MINIMUM AND 0.188 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM FIRST SHOULDER IN
width_between_flats0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
NSN5305-01-399-0187
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 751-6402301-39 · 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: 0.250 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.875 INCHES NOMINAL IN
•
SHOULDER LENGTH: 0.178 INCHES MINIMUM AND 0.188 INCHES MAXIMUM FIRST SHOULDER IN
•
SHOULDER DIAMETER: 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.500 INCHES NOMINAL IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281, CL B FORM 1, COND CD FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.250 INCHES NOMINAL IN
FASTENER LENGTH0.875 INCHES NOMINAL IN
SHOULDER LENGTH0.178 INCHES MINIMUM AND 0.188 INCHES MAXIMUM FIRST SHOULDER IN
SHOULDER DIAMETER0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.500 INCHES NOMINAL IN
SHOULDER SHAPEROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281, CL B FORM 1, COND CD FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
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 4
751-6402302-39Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
211033409Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
751-6402386-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
751-6402301 ITEM 39Same 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
Ready to buy 751-6402301-39?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 751-6402301-39?
751-6402301-39 is a SCREW,SHOULDER.
What parts can replace 751-6402301-39?
There are 4 known substitutes for 751-6402301-39: 751-6402302-39, 211033409, 751-6402386-1 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 751-6402301-39?
751-6402301-39 is cataloged in the U.S. Government catalog under NSN 5305-01-399-0187. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 751-6402301-39