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Technical Data Sheet
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LP4-20AM — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

LP4-20AM: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, grip_length: 1.546 INCHES MINIMUM AND 1.578 INCHES MAXIMUM IN, head_height: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.437 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN, fastener_length: 2.015 INCHES MINIMUM AND 2.062 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-202-0406, 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
LP4-20AM
NSN: 5306-00-202-0406
NIINs: 002020406, 007612216
FSC: 5306 — Bolts
CAGE: 7EK50 — TEXTRON AVIATION INC (USA)
SPECIFICATIONS
head_styleHEXAGON
grip_length1.546 INCHES MINIMUM AND 1.578 INCHES MAXIMUM IN
head_height0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
thread_class3A A
thread_length0.437 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
fastener_length2.015 INCHES MINIMUM AND 2.062 INCHES MAXIMUM IN
width_between_flats0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
NSN5306-00-202-0406
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: LP4-20AM · 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
•
HEAD HEIGHT: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.015 INCHES MINIMUM AND 2.062 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.437 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
•
HEAD STYLE: HEXAGON
•
GRIP LENGTH: 1.546 INCHES MINIMUM AND 1.578 INCHES MAXIMUM IN
•
WIDTH BETWEEN FLATS: 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
•
THREAD CLASS: 3A A
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
FASTENER LENGTH2.015 INCHES MINIMUM AND 2.062 INCHES MAXIMUM IN
THREAD LENGTH0.437 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
HEAD STYLEHEXAGON
GRIP LENGTH1.546 INCHES MINIMUM AND 1.578 INCHES MAXIMUM IN
WIDTH BETWEEN FLATS0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
THREAD CLASS3A A
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is LP4-20AM?
LP4-20AM is a BOLT,MACHINE.
What is the NSN for LP4-20AM?
LP4-20AM is cataloged in the U.S. Government catalog under NSN 5306-00-202-0406. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.