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Technical Data Sheet
PartsTable / COMPONENT / LP57N40S5
LP57N40S5 ✓ 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: FILLISTER, head_height: 0.107 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.166 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN, thread_length: 0.313 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-470-9738, 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
LP57N40S5
NSN: 5305-00-470-9738
FSC: 5305
CAGE: 03038 — LONG-LOK, LLC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleFILLISTER
head_height0.107 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.166 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN
thread_length0.313 INCHES MAXIMUM IN
fastener_length0.313 INCHES NOMINAL IN
locking_featurePATCH OR STRIP THREADS
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
internal_drive_styleSLOT
nominal_thread_diameter0.112 INCHES IN
NSN5305-00-470-9738
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: LP57N40S5 · 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
•
FASTENER LENGTH: 0.313 INCHES NOMINAL IN
•
INTERNAL DRIVE STYLE: SLOT
•
THREAD QUANTITY PER INCH: 40
•
THREAD CLASS: 2A A
•
NOMINAL THREAD DIAMETER: 0.112 INCHES IN
•
HEAD STYLE: FILLISTER
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS (FLIS)
FASTENER LENGTH0.313 INCHES NOMINAL IN
INTERNAL DRIVE STYLESLOT
THREAD QUANTITY PER INCH40
THREAD CLASS2A A
NOMINAL THREAD DIAMETER0.112 INCHES IN
HEAD STYLEFILLISTER
SURFACE TREATMENTPASSIVATE OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
LOCKING FEATUREPATCH OR STRIP THREADS
HEAD HEIGHT0.107 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
FFS86Interchangeable
interchangeable cross-reference
interchangeable
2462438PC79Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-18240FInterchangeable
interchangeable cross-reference
interchangeable
NAS662C2LLR16Interchangeable
interchangeable cross-reference
interchangeable
947575-5616Interchangeable
interchangeable cross-reference
interchangeable
NAS1189E3P14NInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LP57N40S5?
LP57N40S5 is a SCREW,CAP,SOCKET HEAD.
What parts can replace LP57N40S5?
There are 19 known substitutes for LP57N40S5: FFS86, 2462438PC79, MIL-DTL-18240F and 16 more. Substitute compatibility should be verified for your specific system.
Is LP57N40S5 still available?
LP57N40S5 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