PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

450-26Setscrew

Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc · NSN 5305-01-199-2138 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-199-2138 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-199-2138. Primary manufacturer part number: 450-26.
Features
  • Setscrew — FSC 5305
  • Thread Quantity Per Inch: 32
  • Material: STEEL COMP 303 OVERALL
  • Internal Drive Style: SLOT
  • Thread Direction: RIGHT-HAND
  • Thread Series Designator: UNF
  • Head Diameter: 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
  • Thread Class: 2A A
Applications
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Setscrew, cataloged under National Stock Number 5305-01-199-2138, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-199-2138
Primary Part Number450-26
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerMatthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc
StatusACTIVE
Thread Quantity Per Inch32
MaterialSTEEL COMP 303 OVERALL
Internal Drive StyleSLOT
Thread DirectionRIGHT-HAND
Thread Series DesignatorUNF
Head Diameter0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
Thread Class2A A
Surface Treatment Document and ClassificationMIL-C-13924 MIL SPEC 15TH TREATMENT RESPONSE OVERALL
Material Document and ClassificationASTM AS82 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentOXIDE OVERALL
Fastener Length0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN
Point StyleCONE
Nominal Thread Diameter0.190 INCHES IN
Head StyleDOUBLE CHAMFER
Thread Length0.235 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
Head Height0.422 INCHES MINIMUM AND 0.454 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5305-00-805-044745026 INTERCHANGEABLE
Screw,shoulder
Telemechanics Inc
5120-01-162-9467 INTERCHANGEABLE
Socket,socket Wrench
3455-01-364-8164301-31 INTERCHANGEABLE
Cutter,milling,plain
Kennametal Inc. Div Kennametal Industrial Products Group
5930-01-422-053745026 INTERCHANGEABLE
Switch,flow
Hydra-Electric Company Dba Hydra-Electric Co
6650-01-537-217545026 INTERCHANGEABLE
Lens,optical Instrument
Edmund Optics, Inc
8415-01-591-641545026 INTERCHANGEABLE
Coveralls,safety,industrial
Kimberly-Clark Corporation
5935-01-594-9338LPMDC-8-MP INTERCHANGEABLE
Dummy Connector,plug
Teledyne Instruments, Inc. Dba Teledyne Impulse Div Teledyne Impulse, a Business Unit of Teledyne Instruments
Cross-Reference Index
Part NumberManufacturer
450-26 PRIMARY Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc (USA)
SM-A-744408-32 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
Related Parts
5305-00-805-0447INTERCHANGEABLE
SCREW,SHOULDER
45026
5120-01-162-9467INTERCHANGEABLE
SOCKET,SOCKET WRENCH
3455-01-364-8164INTERCHANGEABLE
CUTTER,MILLING,PLAIN
301-31
5930-01-422-0537INTERCHANGEABLE
SWITCH,FLOW
45026
6650-01-537-2175INTERCHANGEABLE
LENS,OPTICAL INSTRUMENT
45026
8415-01-591-6415INTERCHANGEABLE
COVERALLS,SAFETY,INDUSTRIAL
45026
5935-01-594-9338INTERCHANGEABLE
DUMMY CONNECTOR,PLUG
LPMDC-8-MP

Frequently Asked Questions

What is NSN 5305-01-199-2138?

NSN 5305-01-199-2138 is a Setscrew, manufactured by Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-199-2138?

NSN 5305-01-199-2138 has 2 cross-referenced part numbers: 450-26 (Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc), SM-A-744408-32 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir).

What NSN replaces 5305-01-199-2138?

There are 7 known substitutes for 5305-01-199-2138: 5305-00-805-0447, 5120-01-162-9467, 3455-01-364-8164 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 450-26?

Key specifications for 450-26: Thread Quantity Per Inch: 32; Special Features: COLOR BLACK; Material: STEEL COMP 303 OVERALL; Internal Drive Style: SLOT. 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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