PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-A-1923Shield,expansion

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 5340-00-281-1458 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-281-1458 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-281-1458. Primary manufacturer part number: A-A-1923.
Features
  • Shield,expansion — FSC 5340
  • Insert Type for Which Designed: MACHINE BOLT
  • Features Provided: INSTALLATION SETTING TOOL
  • Thread Provision: THREADED
  • Fastener Type: BOLT
  • Unit Quantity: 2
  • Nominal Length: 5.000 INCHES IN
  • Insert Size: 1/2 IN.-13 THD IN
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Shield,expansion, cataloged under National Stock Number 5340-00-281-1458, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-281-1458
Primary Part NumberA-A-1923
Item NameShield,expansion
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusCANCELLED
Insert Type for Which DesignedMACHINE BOLT
Features ProvidedINSTALLATION SETTING TOOL
Thread ProvisionTHREADED
Fastener TypeBOLT
Unit Quantity2
Nominal Length5.000 INCHES IN
Insert Size1/2 IN.-13 THD IN
Hole Accommodation Diameter0.875 INCHES NOMINAL IN
Style DesignatorDOUBLE EXPANSION
Head StyleSQUARE
Nondefinitive Spec/std Data2 GROUP AND 2 TYPE AND 2 CLASS AND 2 STYLE
Safe Operating Load Rating550.0 POUNDS NOMINAL LBS
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor5340-00-264-7617
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
Shield,expansion
Shield,expansion
Shield,expansion
Shield,expansion
Shield,expansion
Shield,expansion
Shield,expansion
Shield,expansion
Shield,expansion
Shield,expansion
Cross-Reference Index
Part NumberManufacturer
A-A-1923 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
FFS325 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AA1923-304 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
SUCCESSOR 5340-00-264-7617 Shield,expansion
5340-00-264-7620SUCCESSOR
SHIELD,EXPANSION
5340-00-264-7625SUCCESSOR
SHIELD,EXPANSION
5340-00-264-7631SUCCESSOR
SHIELD,EXPANSION
5340-00-281-1455SUCCESSOR
SHIELD,EXPANSION
5340-00-281-1528SUCCESSOR
SHIELD,EXPANSION
5340-00-290-3758SUCCESSOR
SHIELD,EXPANSION
5340-00-292-8560SUCCESSOR
SHIELD,EXPANSION
5340-00-292-8583SUCCESSOR
SHIELD,EXPANSION
5340-00-298-9427SUCCESSOR
SHIELD,EXPANSION
5340-00-369-4908SUCCESSOR
SHIELD,EXPANSION
5340-00-369-4910SUCCESSOR
SHIELD,EXPANSION

Frequently Asked Questions

What is NSN 5340-00-281-1458?

NSN 5340-00-281-1458 is a Shield,expansion, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-281-1458?

NSN 5340-00-281-1458 has 3 cross-referenced part numbers: A-A-1923 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), FFS325 (Federal Specifications Promulgated by General Services Administration Washington DC), AA1923-304 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).

What NSN replaces 5340-00-281-1458?

There are 12 known substitutes for 5340-00-281-1458: 5340-00-264-7617, 5340-00-264-7620, 5340-00-264-7625 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-A-1923?

Key specifications for A-A-1923: Insert Type for Which Designed: MACHINE BOLT; Features Provided: INSTALLATION SETTING TOOL; Thread Provision: THREADED; Fastener Type: BOLT. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-281-1458 still in active supply?

NSN 5340-00-281-1458 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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