PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LP54J62P8Screw,cap,socket Head

Long-Lok, Llc · NSN 5305-00-845-9126 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-845-9126 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-845-9126. Primary manufacturer part number: LP54J62P8.
Features
  • Screw,cap,socket Head — FSC 5305
  • Thread Length: 0.375 INCHES MINIMUM IN
  • Minimum Tensile Strength: 75000 POUNDS PER SQUARE INCH LBS
  • Material: STEEL CORROSION RESISTING OVERALL
  • Countersink Angle: 82.0 DEGREES NOMINAL
  • Locking Feature: STRIP THREADS
  • Surface Treatment: PASSIVATE OVERALL
  • Thread Class: 2A A
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-845-9126, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Long-Lok, Llc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-845-9126
Primary Part NumberLP54J62P8
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerLong-Lok, Llc
StatusACTIVE
Thread Length0.375 INCHES MINIMUM IN
Minimum Tensile Strength75000 POUNDS PER SQUARE INCH LBS
MaterialSTEEL CORROSION RESISTING OVERALL
Countersink Angle82.0 DEGREES NOMINAL
Locking FeatureSTRIP THREADS
Surface TreatmentPASSIVATE OVERALL
Thread Class2A A
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch32
Internal Drive StyleCROSS RECESS TYPE 1
Head StyleFLAT COUNTERSUNK
Head Diameter0.268 INCHES NOMINAL IN
Nominal Thread Diameter0.138 INCHES IN
Thread DirectionRIGHT-HAND
Fastener Length0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-323-199665-043154 INTERCHANGEABLE
Washer,spring Tension
Hydro-Aire Aerospace Corp
Cross-Reference Index
Part NumberManufacturer
LP54J62P8 PRIMARY Long-Lok, Llc (USA)
10121302 Us Army Aviation and Missile Command (USA)
Related Parts
5310-00-323-1996INTERCHANGEABLE
WASHER,SPRING TENSION
65-043154

Frequently Asked Questions

What is NSN 5305-00-845-9126?

NSN 5305-00-845-9126 is a Screw,cap,socket Head, manufactured by Long-Lok, Llc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-845-9126?

NSN 5305-00-845-9126 has 2 cross-referenced part numbers: LP54J62P8 (Long-Lok, Llc), 10121302 (Us Army Aviation and Missile Command).

What NSN replaces 5305-00-845-9126?

There is 1 known substitute for 5305-00-845-9126: 5310-00-323-1996. Verify interchangeability with system specifications before substitution.

What are the specifications of LP54J62P8?

Key specifications for LP54J62P8: Thread Length: 0.375 INCHES MINIMUM IN; Minimum Tensile Strength: 75000 POUNDS PER SQUARE INCH LBS; Material: STEEL CORROSION RESISTING OVERALL; Countersink Angle: 82.0 DEGREES NOMINAL. 15 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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