PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40268Setscrew

Honeywell International Inc. Div Aerospace - Torrance · NSN 5305-00-826-9134 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-826-9134 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-826-9134. Primary manufacturer part number: 40268.
Features
  • Setscrew — FSC 5305
  • Head Style: HEADLESS (SETSCREW)
  • Point Style: FLAT
  • Material: STEEL OVERALL
  • Thread Series Designator: UNF
  • Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
  • Surface Treatment: CADMIUM OVERALL
  • Internal Drive Style: HEXAGON
Applications
  • Applications requiring Steel Overall construction
General Description

The Setscrew, cataloged under National Stock Number 5305-00-826-9134, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 15 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: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-826-9134
Primary Part Number40268
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerHoneywell International Inc. Div Aerospace - Torrance
StatusCANCELLED
Head StyleHEADLESS (SETSCREW)
Point StyleFLAT
MaterialSTEEL OVERALL
Thread Series DesignatorUNF
Hardness Rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
Surface TreatmentCADMIUM OVERALL
Internal Drive StyleHEXAGON
Nominal Thread Diameter0.312 INCHES IN
Thread DirectionRIGHT-HAND
Minimum Tensile Strength211000 POUNDS PER SQUARE INCH LBS
Fastener Length0.580 INCHES MINIMUM AND 0.600 INCHES MAXIMUM IN
Width Across Flats0.200 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
Thread Length0.600 INCHES MAXIMUM IN
Thread Class3A A
Thread Quantity Per Inch24
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
6240-00-102-40033223257 INTERCHANGEABLE
Lamp,incandescent
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5950-00-977-5635SM-C-456341 INTERCHANGEABLE
Transformer,audio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5985-01-179-564440268 INTERCHANGEABLE
Divider,power,radio Frequency
Anaren, Inc. Div Anaren Microwave Inc
3020-01-492-910040268 INTERCHANGEABLE
Gear Rack
Moog Inc. Dba Ampac-Isp Corp
6530-01-524-521840268 INTERCHANGEABLE
Thermostat,sterilizer
Getinge Usa Inc
4730-01-663-160940268 INTERCHANGEABLE
Elbow,tube
Hdt Expeditionary Systems Inc
5963-01-718-017540268 INTERCHANGEABLE
Electronic Module,standardized
Campbell Scientific Inc
Cross-Reference Index
Part NumberManufacturer
40268 PRIMARY Honeywell International Inc. Div Aerospace - Torrance (USA)
40268 Alliedsignal Inc Dba Allied-Signal Aerospace Co (USA)
Related Parts
6240-00-102-4003INTERCHANGEABLE
LAMP,INCANDESCENT
3223257
5950-00-977-5635INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
SM-C-456341
5985-01-179-5644INTERCHANGEABLE
DIVIDER,POWER,RADIO FREQUENCY
40268
3020-01-492-9100INTERCHANGEABLE
GEAR RACK
40268
6530-01-524-5218INTERCHANGEABLE
THERMOSTAT,STERILIZER
40268
4730-01-663-1609INTERCHANGEABLE
ELBOW,TUBE
40268
5963-01-718-0175INTERCHANGEABLE
ELECTRONIC MODULE,STANDARDIZED
40268

Frequently Asked Questions

What is NSN 5305-00-826-9134?

NSN 5305-00-826-9134 is a Setscrew, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-826-9134?

NSN 5305-00-826-9134 has 2 cross-referenced part numbers: 40268 (Honeywell International Inc. Div Aerospace - Torrance), 40268 (Alliedsignal Inc Dba Allied-Signal Aerospace Co).

What NSN replaces 5305-00-826-9134?

There are 7 known substitutes for 5305-00-826-9134: 6240-00-102-4003, 5950-00-977-5635, 5985-01-179-5644 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40268?

Key specifications for 40268: Head Style: HEADLESS (SETSCREW); Point Style: FLAT; Material: STEEL OVERALL; Thread Series Designator: UNF. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-826-9134 still in active supply?

NSN 5305-00-826-9134 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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