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Technical Data Sheet
PartsTable / COMPONENT / LP4-4AM
LP4-4AM ✓ 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 BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: PLASTIC OVERALL, head_style: DISHED HEXAGON, grip_length: 0.047 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN, head_height: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.438 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-251-3440, 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
LP4-4AM
NSN: 5306-01-251-3440
FSC: 5306
CAGE: 03038 — LONG-LOK, LLC (USA)
SPECIFICATIONS
materialPLASTIC OVERALL
head_styleDISHED HEXAGON
grip_length0.047 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
head_height0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
thread_class3A A
thread_length0.438 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
fastener_length0.516 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
special_featuresCROSS RECESS DRIVE IN HEAD; COLOR GREEN
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
width_between_flats0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
nominal_thread_diameter0.250 INCHES IN
NSN5306-01-251-3440
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: LP4-4AM · 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
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: DISHED HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
MATERIAL DOCUMENT AND CLASSIFICATION: POLYCAP NYLON,CAGE 03038 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: PLASTIC OVERALL
•
HEAD HEIGHT: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
•
THREAD CLASS: 3A A
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEDISHED HEXAGON
THREAD DIRECTIONRIGHT-HAND
SPECIAL FEATURESCROSS RECESS DRIVE IN HEAD; COLOR GREEN
MATERIAL DOCUMENT AND CLASSIFICATIONPOLYCAP NYLON,CAGE 03038 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALPLASTIC OVERALL
HEAD HEIGHT0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
THREAD CLASS3A A
FEATURES PROVIDEDFINISHED HEAD
THREAD LENGTH0.438 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
AN4-4AUpgraded Successor
successor cross-reference
successor
TK4-4AUpgraded Successor
successor cross-reference
successor
S132100-4-4Upgraded Successor
successor cross-reference
successor
5306PL0809476Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LP4-4AM?
LP4-4AM is a BOLT,MACHINE.
What parts can replace LP4-4AM?
There are 4 known substitutes for LP4-4AM: AN4-4A, TK4-4A, S132100-4-4 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for LP4-4AM?
LP4-4AM is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-251-3440. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026