PartsTable
Technical Data Sheet
Download PDF

LP57XFN040J8 — SETSCREW

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

LP57XFN040J8: SETSCREW.

The SETSCREW is a the manufacturer industrial component. Key specifications include material: PLASTIC NYLON LOCKING FEATURE, thread_length: 0.500 INCHES NOMINAL IN, special_features: 1/4-20 X 1/2 SOCKET SET SCREW WITH HALF DOG POINT 300 SS PASSIVATED WITH A NYLON END PELLET, nominal_thread_diameter: 0.250 INCHES IN, thread_quantity_per_inch: 20. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-288-5546, 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
LP57XFN040J8
NSN: 5305-01-288-5546
FSC: 5305 — Screws
CAGE: 16941 — LONG-LOK LLC (USA)
SPECIFICATIONS
materialPLASTIC NYLON LOCKING FEATURE
thread_length0.500 INCHES NOMINAL IN
special_features1/4-20 X 1/2 SOCKET SET SCREW WITH HALF DOG POINT 300 SS PASSIVATED WITH A NYLON END PELLET
nominal_thread_diameter0.250 INCHES IN
thread_quantity_per_inch20
NSN5305-01-288-5546
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: LP57XFN040J8 · 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
•
THREAD LENGTH: 0.500 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
THREAD QUANTITY PER INCH: 20
•
MATERIAL: STEEL CORROSION RESISTING POINT
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.500 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
SPECIAL FEATURES1/4-20 X 1/2 SOCKET SET SCREW WITH HALF DOG POINT 300 SS PASSIVATED WITH A NYLON END PELLET
THREAD QUANTITY PER INCH20
MATERIALSTEEL CORROSION RESISTING POINT
MATERIALPLASTIC NYLON LOCKING FEATURE
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 2
6532B476-3Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
6532B746-3Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy LP57XFN040J8?
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 LP57XFN040J8?
LP57XFN040J8 is a SETSCREW.
What parts can replace LP57XFN040J8?
There are 2 known substitutes for LP57XFN040J8: 6532B476-3, 6532B746-3. Substitute compatibility should be verified for your specific system.
What is the NSN for LP57XFN040J8?
LP57XFN040J8 is cataloged in the U.S. Government catalog under NSN 5305-01-288-5546. 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 — LP57XFN040J8

✓ 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.