PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FFS103TYPE1STYLE5Setscrew

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5305-00-282-3526 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-282-3526 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-282-3526. Primary manufacturer part number: FFS103TYPE1STYLE5.
Features
  • Setscrew — FSC 5305
  • Internal Drive Style: W/O INTERNAL DRIVE
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Head Height: 0.178 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN
  • Hardness Rating: 30.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
  • Nondefinitive Spec/std Data: 1 TYPE AND 5 STYLE
  • Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL
  • Point Style: FULL DOG
Applications
  • Applications requiring Steel Comp 1010 or Steel Comp 1011 or Steel Comp 1013 or Steel Comp 1015 or Steel Comp 1016 or Steel Comp 1017 or Steel Comp 1018 or Steel Comp 1019 or Steel Comp 1020 or Steel Comp 1022 or Steel Comp 1212 or Steel Comp 1213 or Steel Comp 1137 Overall construction
General Description

The Setscrew, cataloged under National Stock Number 5305-00-282-3526, 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 17 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-282-3526
Primary Part NumberFFS103TYPE1STYLE5
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Internal Drive StyleW/O INTERNAL DRIVE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Head Height0.178 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN
Hardness Rating30.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
Nondefinitive Spec/std Data1 TYPE AND 5 STYLE
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OVERALL
Point StyleFULL DOG
MaterialSTEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1022 OR STEEL COMP 1212 OR STEEL COMP 1213 OR STEEL COMP 1137 OVERALL
Nominal Thread Diameter0.250 INCHES IN
Head StyleSQUARE
Thread Quantity Per Inch20
Fastener Length0.468 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Width Between Flats0.241 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Features ProvidedCASEHARDENED
Thread DirectionRIGHT-HAND
Thread Length0.500 INCHES MAXIMUM IN
Thread Class2A A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5305-00-010-6850 INTERCHANGEABLE
Setscrew
5305-00-011-3036 INTERCHANGEABLE
Setscrew
5305-00-011-3060 INTERCHANGEABLE
Setscrew
5305-00-254-7533 INTERCHANGEABLE
Setscrew
5305-00-257-1976 INTERCHANGEABLE
Setscrew
5305-00-263-5107150153 INTERCHANGEABLE
Setscrew
Johnson Controls Navy Systems, Llc
5305-00-272-6241212-59-01PC21 INTERCHANGEABLE
Setscrew
Naval Ship Systems Command
5305-00-473-4907381-3801-68073PC9 INTERCHANGEABLE
Setscrew
Naval Ship Systems Command
Cross-Reference Index
Part NumberManufacturer
FFS103TYPE1STYLE5 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5305-00-010-6850INTERCHANGEABLE
SETSCREW
5305-00-011-3036INTERCHANGEABLE
SETSCREW
5305-00-011-3060INTERCHANGEABLE
SETSCREW
5305-00-254-7533INTERCHANGEABLE
SETSCREW
5305-00-257-1976INTERCHANGEABLE
SETSCREW
5305-00-263-5107INTERCHANGEABLE
SETSCREW
150153
5305-00-272-6241INTERCHANGEABLE
SETSCREW
212-59-01PC21
5305-00-473-4907INTERCHANGEABLE
SETSCREW
381-3801-68073PC9

Frequently Asked Questions

What is NSN 5305-00-282-3526?

NSN 5305-00-282-3526 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 5305-00-282-3526?

NSN 5305-00-282-3526 has 1 cross-referenced part number: FFS103TYPE1STYLE5 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5305-00-282-3526?

There are 8 known substitutes for 5305-00-282-3526: 5305-00-010-6850, 5305-00-011-3036, 5305-00-011-3060 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FFS103TYPE1STYLE5?

Key specifications for FFS103TYPE1STYLE5: Internal Drive Style: W/O INTERNAL DRIVE; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Head Height: 0.178 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN; Hardness Rating: 30.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL. 17 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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