PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

315424 PC 73Setscrew

Lake Shore Systems, Inc. · NSN 5305-01-147-6686 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-147-6686 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-147-6686. Primary manufacturer part number: 315424 PC 73.
Features
  • Setscrew — FSC 5305
  • Head Style: HEADLESS (SETSCREW)
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Surface Treatment: OXIDE OVERALL
  • Internal Drive Style: HEXAGON
  • Point Style: CUP
  • Thread Quantity Per Inch: 20
Applications
  • Applications requiring Steel Overall construction
General Description

The Setscrew, cataloged under National Stock Number 5305-01-147-6686, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lake Shore Systems, Inc.. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-147-6686
Primary Part Number315424 PC 73
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerLake Shore Systems, Inc.
StatusACTIVE
Head StyleHEADLESS (SETSCREW)
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Diameter0.250 INCHES IN
Surface TreatmentOXIDE OVERALL
Internal Drive StyleHEXAGON
Point StyleCUP
Thread Quantity Per Inch20
Hardness Rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
Locking FeaturePATCH THREADS
MaterialSTEEL OVERALL
Fastener Length1.235 INCHES MINIMUM AND 1.265 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Thread Class2A A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-010-1019 INTERCHANGEABLE
Screw,machine
5920-00-199-9498 INTERCHANGEABLE
Fuse,cartridge
5342-00-422-2880 INTERCHANGEABLE
Bracket,channel
5895-00-531-5446101019 INTERCHANGEABLE
Coder Module Subass
Bae Systems Information and Electronic Systems Integration Inc.
5315-00-538-1196XA-379 INTERCHANGEABLE
Pin,straight,headless
Saf-Holland, Inc.
5310-00-685-3622NAS679A06W INTERCHANGEABLE
Nut,self-Locking,hexagon
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5985-00-873-9293A2140636-1 INTERCHANGEABLE
Line Section,radio Frequency Tra
L3harris Technologies, Inc.
5340-01-137-7231101019 INTERCHANGEABLE
Cap,protective,dust and Moisture
American Turbo Systems Inc
5330-01-399-7328SKB-465 ITEM X71 INTERCHANGEABLE
Retainer,packing
Coffin Turbo Pump Inc
4940-01-504-5270PB3C-10 INTERCHANGEABLE
Pan,drip
Pro Buy Solutions, Llc
Cross-Reference Index
Part NumberManufacturer
315424 PC 73 Lake Shore Systems, Inc. (USA)
10-101-9 Consolidated Devices, Inc. Dba Cdi Torque Products Div Snap-on Logistics Company (USA)
PL-315424 PC 73 Lake Shore Systems, Inc. (USA)
Related Parts
5305-00-010-1019INTERCHANGEABLE
SCREW,MACHINE
5920-00-199-9498INTERCHANGEABLE
FUSE,CARTRIDGE
5342-00-422-2880INTERCHANGEABLE
BRACKET,CHANNEL
5895-00-531-5446INTERCHANGEABLE
CODER MODULE SUBASS
101019
5315-00-538-1196INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
XA-379
5310-00-685-3622INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
NAS679A06W
5985-00-873-9293INTERCHANGEABLE
LINE SECTION,RADIO FREQUENCY TRA
A2140636-1
5340-01-137-7231INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
101019
5330-01-399-7328INTERCHANGEABLE
RETAINER,PACKING
SKB-465 ITEM X71
4940-01-504-5270INTERCHANGEABLE
PAN,DRIP
PB3C-10
6130-01-547-9146INTERCHANGEABLE
POWER SUPPLY
101.019
9535-01-597-5811INTERCHANGEABLE
PLATE,METAL
101019

Frequently Asked Questions

What is NSN 5305-01-147-6686?

NSN 5305-01-147-6686 is a Setscrew, manufactured by Lake Shore Systems, Inc., classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-147-6686?

NSN 5305-01-147-6686 has 3 cross-referenced part numbers: 315424 PC 73 (Lake Shore Systems, Inc.), 10-101-9 (Consolidated Devices, Inc. Dba Cdi Torque Products Div Snap-on Logistics Company), PL-315424 PC 73 (Lake Shore Systems, Inc.).

What NSN replaces 5305-01-147-6686?

There are 12 known substitutes for 5305-01-147-6686: 5305-00-010-1019, 5920-00-199-9498, 5342-00-422-2880 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 315424 PC 73?

Key specifications for 315424 PC 73: Head Style: HEADLESS (SETSCREW); Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Nominal Thread Diameter: 0.250 INCHES IN; Surface Treatment: OXIDE OVERALL. 13 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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