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PartsTable / COMPONENT / LL57G40P4
LL57G40P4 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.200 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN, thread_length: 0.250 INCHES MAXIMUM IN, fastener_length: 0.250 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-060-2118, 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
LL57G40P4
NSN: 5305-00-060-2118
FSC: 5305
CAGE: 03038 — LONG-LOK, LLC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleFLAT COUNTERSUNK
thread_class2A A
head_diameter0.200 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN
thread_length0.250 INCHES MAXIMUM IN
fastener_length0.250 INCHES NOMINAL IN
locking_featurePATCH OR PELLET OR STRIP THREADS
thread_directionRIGHT-HAND
countersink_angle100.0 DEGREES NOMINAL
surface_treatmentPASSIVATE OVERALL
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.112 INCHES IN
NSN5305-00-060-2118
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: LL57G40P4 · 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
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
•
THREAD QUANTITY PER INCH: 40
•
FASTENER LENGTH: 0.250 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
LOCKING FEATURE: PATCH OR PELLET OR STRIP THREADS
•
COUNTERSINK ANGLE: 100.0 DEGREES NOMINAL
•
THREAD LENGTH: 0.250 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
THREAD QUANTITY PER INCH40
FASTENER LENGTH0.250 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING OVERALL
THREAD DIRECTIONRIGHT-HAND
LOCKING FEATUREPATCH OR PELLET OR STRIP THREADS
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
THREAD LENGTH0.250 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.112 INCHES IN
SURFACE TREATMENTPASSIVATE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
LL24693C2Interchangeable
Same NIIN cross-reference
interchangeable
107256-1003Interchangeable
Same NIIN cross-reference
interchangeable
911295-0804Interchangeable
Same NIIN cross-reference
interchangeable
MIL-F-18240Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LL57G40P4?
LL57G40P4 is a SCREW,CAP,SOCKET HEAD.
What parts can replace LL57G40P4?
There are 4 known substitutes for LL57G40P4: LL24693C2, 107256-1003, 911295-0804 and 1 more. Substitute compatibility should be verified for your specific system.
Is LL57G40P4 still available?
LL57G40P4 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026