PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21742-2Bolt Assembly,clamp

Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp · NSN 5340-00-231-5226 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-231-5226 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-231-5226. Primary manufacturer part number: 21742-2.
Features
  • Bolt Assembly,clamp — FSC 5340
  • Thread Class: 2A A
  • Nominal Thread Size: 0.312 INCHES IN
  • Mounting Method: PLATE
  • Material: UNABLE TO DECODE
  • Material: UNABLE TO DECODE
  • Style Designator: WING NO. 1
  • Surface Treatment: UNABLE TO DECODE
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Unable to Decode construction
General Description

The Bolt Assembly,clamp, cataloged under National Stock Number 5340-00-231-5226, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp. Government technical data includes 12 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-231-5226
Primary Part Number21742-2
Item NameBolt Assembly,clamp
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerHutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
StatusACTIVE
Thread Class2A A
Nominal Thread Size0.312 INCHES IN
Mounting MethodPLATE
MaterialUNABLE TO DECODE
MaterialUNABLE TO DECODE
Style DesignatorWING NO. 1
Surface TreatmentUNABLE TO DECODE
Surface Treatment Document and ClassificationUNABLE TO DECODE
Material Document and ClassificationUNABLE TO DECODE
Thread Quantity Per Inch24
Surface TreatmentUNABLE TO DECODE
Surface Treatment Document and ClassificationUNABLE TO DECODE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 4
5961-00-476-8090 INTERCHANGEABLE
Semiconductor Device,diode
4810-01-214-6659217422 INTERCHANGEABLE
Indicator,valve
Marotta Controls Inc
4320-01-478-09838631280 INTERCHANGEABLE
Vane,pump,rotary
Meritor Specialty Products Llc
6105-01-674-3117217422 INTERCHANGEABLE
Support,electric Motor
Bird-Johnson Propeller Company, Llc
Cross-Reference Index
Part NumberManufacturer
21742-2 PRIMARY Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp (USA)
435223-1 Raytheon Company (USA)
Related Parts
5961-00-476-8090INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
4810-01-214-6659INTERCHANGEABLE
INDICATOR,VALVE
217422
4320-01-478-0983INTERCHANGEABLE
VANE,PUMP,ROTARY
8631280
6105-01-674-3117INTERCHANGEABLE
SUPPORT,ELECTRIC MOTOR
217422

Frequently Asked Questions

What is NSN 5340-00-231-5226?

NSN 5340-00-231-5226 is a Bolt Assembly,clamp, manufactured by Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-231-5226?

NSN 5340-00-231-5226 has 2 cross-referenced part numbers: 21742-2 (Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp), 435223-1 (Raytheon Company).

What NSN replaces 5340-00-231-5226?

There are 4 known substitutes for 5340-00-231-5226: 5961-00-476-8090, 4810-01-214-6659, 4320-01-478-0983 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21742-2?

Key specifications for 21742-2: Thread Class: 2A A; Nominal Thread Size: 0.312 INCHES IN; Mounting Method: PLATE; Material: UNABLE TO DECODE. 12 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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