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LP505C2R3 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

LP505C2R3: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL COMP 430 OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.150 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN, thread_length: 0.076 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN, fastener_length: 0.163 INCHES MINIMUM AND 0.194 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-139-6855, 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
LP505C2R3
NSN: 5305-00-139-6855
FSC: 5305 — Screws
CAGE: 16941 — LONG-LOK LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 430 OVERALL
head_styleFLAT COUNTERSUNK
thread_class2A A
head_diameter0.150 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
thread_length0.076 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN
fastener_length0.163 INCHES MINIMUM AND 0.194 INCHES MAXIMUM IN
locking_featureSTRIP THREADS
thread_directionRIGHT-HAND
countersink_angle80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
surface_treatmentPASSIVATE OVERALL
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.086 INCHES IN
NSN5305-00-139-6855
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: LP505C2R3 · 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: 0.163 INCHES MINIMUM AND 0.194 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.076 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.086 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
LOCKING FEATURE: STRIP THREADS
TECHNICAL CHARACTERISTICS
FASTENER LENGTH0.163 INCHES MINIMUM AND 0.194 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.076 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.086 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
LOCKING FEATURESTRIP THREADS
SURFACE TREATMENTPASSIVATE OVERALL
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
SUBSTITUTES & CROSS-REFERENCES 1
5305PL0145390Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is LP505C2R3?
LP505C2R3 is a SCREW,CAP,SOCKET HEAD.
What parts can replace LP505C2R3?
There is 1 known substitute for LP505C2R3: 5305PL0145390. Substitute compatibility should be verified for your specific system.
What is the NSN for LP505C2R3?
LP505C2R3 is cataloged in the U.S. Government catalog under NSN 5305-00-139-6855. 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.