PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FFS103TYPE3STYLE4Setscrew

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5305-00-333-4249 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-333-4249 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-333-4249. Primary manufacturer part number: FFS103TYPE3STYLE4.
Features
  • Setscrew — FSC 5305
  • Thread Quantity Per Inch: 32
  • Material: STEEL OVERALL
  • Width Across Flats: 0.078 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN
  • Thread Class: 3A A
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Nondefinitive Spec/std Data: 3 TYPE AND 4 STYLE
  • Thread Length: 0.500 INCHES MAXIMUM IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Setscrew, cataloged under National Stock Number 5305-00-333-4249, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5305-00-333-4249
Primary Part NumberFFS103TYPE3STYLE4
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Thread Quantity Per Inch32
MaterialSTEEL OVERALL
Width Across Flats0.078 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN
Thread Class3A A
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Nondefinitive Spec/std Data3 TYPE AND 4 STYLE
Thread Length0.500 INCHES MAXIMUM IN
Internal Drive StyleHEXAGON
Nominal Thread Diameter0.164 INCHES IN
Thread DirectionRIGHT-HAND
Fastener Length0.500 INCHES NOMINAL IN
Hardness Rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
Head StyleHEADLESS (SETSCREW)
Surface TreatmentPHOSPHATE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-087-0700 INTERCHANGEABLE
Socket,socket Wrench
5330-00-292-049210206 INTERCHANGEABLE
Seal,plain Encased
Garwood/feller Inc Garwood Winch Div
5840-00-369-658510206 INTERCHANGEABLE
Mounting Control Un
Naval Ship Systems Command
5905-00-549-3024 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
5340-00-787-854750-17210-15 INTERCHANGEABLE
Clip,spring Tension
Southco Inc
5950-00-865-489110206 INTERCHANGEABLE
Transformer,power Autotransforme
Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
6685-00-941-052645-1187AS-02B-20INHG10PSI INTERCHANGEABLE
Gage,compound Pressure-Vacuum,di
Ashcroft Inc Dba Heise
5915-00-944-9748SMB527548 INTERCHANGEABLE
Filter,radio Frequency Interfere
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5985-01-043-321110177634 INTERCHANGEABLE
Coupler,directional
Us Army Aviation and Missile Command
4470-01-077-6027 INTERCHANGEABLE
Stem,bellows
Cross-Reference Index
Part NumberManufacturer
FFS103TYPE3STYLE4 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MS51019-39 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
10206 Kleinschmidt Inc (USA)
Related Parts
5120-00-087-0700INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5330-00-292-0492INTERCHANGEABLE
SEAL,PLAIN ENCASED
10206
5840-00-369-6585INTERCHANGEABLE
MOUNTING CONTROL UN
10206
5905-00-549-3024INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
5340-00-787-8547INTERCHANGEABLE
CLIP,SPRING TENSION
50-17210-15
5950-00-865-4891INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
10206
6685-00-941-0526INTERCHANGEABLE
GAGE,COMPOUND PRESSURE-VACUUM,DI
45-1187AS-02B-20INHG10PSI
5915-00-944-9748INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
SMB527548
5985-01-043-3211INTERCHANGEABLE
COUPLER,DIRECTIONAL
10177634
4470-01-077-6027INTERCHANGEABLE
STEM,BELLOWS
2590-01-115-9854INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
10206
4820-01-194-4144INTERCHANGEABLE
DISK,VALVE
111-204-040-139-000

Frequently Asked Questions

What is NSN 5305-00-333-4249?

NSN 5305-00-333-4249 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 5305-00-333-4249?

NSN 5305-00-333-4249 has 3 cross-referenced part numbers: FFS103TYPE3STYLE4 (Federal Specifications Promulgated by General Services Administration Washington DC), MS51019-39 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 10206 (Kleinschmidt Inc).

What NSN replaces 5305-00-333-4249?

There are 12 known substitutes for 5305-00-333-4249: 5120-00-087-0700, 5330-00-292-0492, 5840-00-369-6585 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FFS103TYPE3STYLE4?

Key specifications for FFS103TYPE3STYLE4: Thread Quantity Per Inch: 32; Material: STEEL OVERALL; Width Across Flats: 0.078 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN; Thread Class: 3A A. 14 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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