PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FFS103TYPE1STYLE3Setscrew

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5305-00-206-2120 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-206-2120 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-206-2120. Primary manufacturer part number: FFS103TYPE1STYLE3.
Features
  • Setscrew — FSC 5305
  • Fastener Length: 0.719 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
  • Thread Direction: RIGHT-HAND
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Head Height: 0.178 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN
  • Thread Class: 3A A
  • Thread Quantity Per Inch: 20
Applications
  • Applications requiring Copper Alloy 462 or Copper Alloy 464 or Copper Alloy 482 or Copper Alloy 485 Overall construction
General Description

The Setscrew, cataloged under National Stock Number 5305-00-206-2120, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5305-00-206-2120
Primary Part NumberFFS103TYPE1STYLE3
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Fastener Length0.719 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Diameter0.250 INCHES IN
Head Height0.178 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN
Thread Class3A A
Thread Quantity Per Inch20
MaterialCOPPER ALLOY 462 OR COPPER ALLOY 464 OR COPPER ALLOY 482 OR COPPER ALLOY 485 OVERALL
Material Document and ClassificationQQ-B-637 FED SPEC ALL MATERIAL RESPONSES OVERALL
Head StyleSQUARE
Width Between Flats0.241 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Thread Length0.750 INCHES MAXIMUM IN
Point StyleOVAL
Nondefinitive Spec/std Data1 TYPE AND 3 STYLE
Internal Drive StyleW/O INTERNAL DRIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-010-24306194 INTERCHANGEABLE
Setscrew
Am General Llc
5305-00-010-2454102454 INTERCHANGEABLE
Setscrew
Chrysler Realty Company Llc Dba Daimler Chrysler
5305-00-010-2456102456 INTERCHANGEABLE
Setscrew
Chrysler Realty Company Llc Dba Daimler Chrysler
5305-00-010-247012A7031 INTERCHANGEABLE
Setscrew
Napco International Llc Dba Napco International Inc
5305-00-011-0120 INTERCHANGEABLE
Setscrew
5305-00-011-3580113580 INTERCHANGEABLE
Setscrew
Chrysler Realty Company Llc Dba Daimler Chrysler
5305-00-011-4598 INTERCHANGEABLE
Setscrew
5305-00-017-9113179113 INTERCHANGEABLE
Setscrew
General Motors Llc Dba General Motors Llc
5305-00-017-9116 INTERCHANGEABLE
Setscrew
5305-00-019-1968 INTERCHANGEABLE
Setscrew
Cross-Reference Index
Part NumberManufacturer
FFS103TYPE1STYLE3 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5305-00-010-2430INTERCHANGEABLE
SETSCREW
6194
5305-00-010-2454INTERCHANGEABLE
SETSCREW
102454
5305-00-010-2456INTERCHANGEABLE
SETSCREW
102456
5305-00-010-2470INTERCHANGEABLE
SETSCREW
12A7031
5305-00-011-0120INTERCHANGEABLE
SETSCREW
5305-00-011-3580INTERCHANGEABLE
SETSCREW
113580
5305-00-011-4598INTERCHANGEABLE
SETSCREW
5305-00-017-9113INTERCHANGEABLE
SETSCREW
179113
5305-00-017-9116INTERCHANGEABLE
SETSCREW
5305-00-019-1968INTERCHANGEABLE
SETSCREW
5305-00-043-2781INTERCHANGEABLE
SETSCREW
5305-00-248-5937INTERCHANGEABLE
SETSCREW

Frequently Asked Questions

What is NSN 5305-00-206-2120?

NSN 5305-00-206-2120 is a Setscrew, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-206-2120?

NSN 5305-00-206-2120 has 1 cross-referenced part number: FFS103TYPE1STYLE3 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5305-00-206-2120?

There are 12 known substitutes for 5305-00-206-2120: 5305-00-010-2430, 5305-00-010-2454, 5305-00-010-2456 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FFS103TYPE1STYLE3?

Key specifications for FFS103TYPE1STYLE3: Fastener Length: 0.719 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Nominal Thread Diameter: 0.250 INCHES IN. 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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