PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FFS103TYPEIISTYLE4Setscrew

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5305-00-297-7898 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-297-7898 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-297-7898. Primary manufacturer part number: FFS103TYPEIISTYLE4.
Features
  • Setscrew — FSC 5305
  • Thread Direction: RIGHT-HAND
  • Thread Series Designator: UNF
  • Nondefinitive Spec/std Data: 2 TYPE AND 4 STYLE
  • Hardness Rating: 30.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
  • Thread Length: 0.375 INCHES MAXIMUM IN
  • Thread Class: 2A A
  • Head Style: HEADLESS (SETSCREW)
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 Fastener construction
General Description

The Setscrew, cataloged under National Stock Number 5305-00-297-7898, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-297-7898
Primary Part NumberFFS103TYPEIISTYLE4
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Thread DirectionRIGHT-HAND
Thread Series DesignatorUNF
Nondefinitive Spec/std Data2 TYPE AND 4 STYLE
Hardness Rating30.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
Thread Length0.375 INCHES MAXIMUM IN
Thread Class2A A
Head StyleHEADLESS (SETSCREW)
Surface TreatmentCADMIUM OR ZINC OVERALL
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OVERALL
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 FASTENER
Nominal Thread Diameter0.190 INCHES IN
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
Features ProvidedCASEHARDENED
Fastener Length0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Point StyleCUP
Thread Quantity Per Inch32
Internal Drive StyleCROSS RECESS TYPE 1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5305-00-206-2087 INTERCHANGEABLE
Setscrew
5305-00-407-9163A18066-4 INTERCHANGEABLE
Setscrew
Raytheon Company Dba Raytheon Co
Cross-Reference Index
Part NumberManufacturer
FFS103TYPEIISTYLE4 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5305-00-206-2087INTERCHANGEABLE
SETSCREW
5305-00-407-9163INTERCHANGEABLE
SETSCREW
A18066-4

Frequently Asked Questions

What is NSN 5305-00-297-7898?

NSN 5305-00-297-7898 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 5305-00-297-7898?

NSN 5305-00-297-7898 has 1 cross-referenced part number: FFS103TYPEIISTYLE4 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5305-00-297-7898?

There are 2 known substitutes for 5305-00-297-7898: 5305-00-206-2087, 5305-00-407-9163. Verify interchangeability with system specifications before substitution.

What are the specifications of FFS103TYPEIISTYLE4?

Key specifications for FFS103TYPEIISTYLE4: Thread Direction: RIGHT-HAND; Thread Series Designator: UNF; Nondefinitive Spec/std Data: 2 TYPE AND 4 STYLE; 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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