PartsTable
Technical Data Sheet
Download PDF

LP57XD26K4X2 — SETSCREW

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

LP57XD26K4X2: SETSCREW.

The SETSCREW is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: HEADLESS (SETSCREW), point_style: CUP, spline_width: 0.016 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN, thread_class: 3A A, fastener_length: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-173-5039, 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
LP57XD26K4X2
NSN: 5305-01-173-5039
FSC: 5305 — Screws
CAGE: 16941 — LONG-LOK LLC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleHEADLESS (SETSCREW)
point_styleCUP
spline_width0.016 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN
thread_class3A A
fastener_length0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
locking_featureSTRIP THREADS
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
internal_drive_styleFOUR SPLINE
spline_major_diameter0.049 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
spline_minor_diameter0.380 INCHES NOMINAL IN
NSN5305-01-173-5039
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: LP57XD26K4X2 · 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
•
SPLINE MINOR DIAMETER: 0.380 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
•
SPLINE WIDTH: 0.016 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN
•
SPLINE MAJOR DIAMETER: 0.049 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.080 INCHES IN
•
HEAD STYLE: HEADLESS (SETSCREW)
•
THREAD DIRECTION: RIGHT-HAND
•
POINT STYLE: CUP
TECHNICAL CHARACTERISTICS
SPLINE MINOR DIAMETER0.380 INCHES NOMINAL IN
FASTENER LENGTH0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
SPLINE WIDTH0.016 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN
SPLINE MAJOR DIAMETER0.049 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.080 INCHES IN
HEAD STYLEHEADLESS (SETSCREW)
THREAD DIRECTIONRIGHT-HAND
POINT STYLECUP
LOCKING FEATURESTRIP THREADS
SURFACE TREATMENTPASSIVATE OVERALL
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
048700-4Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy LP57XD26K4X2?
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 LP57XD26K4X2?
LP57XD26K4X2 is a SETSCREW.
What parts can replace LP57XD26K4X2?
There is 1 known substitute for LP57XD26K4X2: 048700-4. Substitute compatibility should be verified for your specific system.
What is the NSN for LP57XD26K4X2?
LP57XD26K4X2 is cataloged in the U.S. Government catalog under NSN 5305-01-173-5039. 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 — LP57XD26K4X2

✓ 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.