PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

121Strap,retaining

Efcor Inc · NSN 5340-00-394-9540 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-394-9540 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-394-9540. Primary manufacturer part number: 121.
Features
  • Strap,retaining — FSC 5340
  • Material: STEEL LOCATION NOT OTHERWISE SPECIFIED
  • Style Designator: STRAIGHT ARCH
  • Distance Between Mounting Hole Center and Inside Edge of Arch: 0.250 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Efcor Inc
Applications
  • Applications requiring Steel Location Not Otherwise Specified construction
General Description

The Strap,retaining, cataloged under National Stock Number 5340-00-394-9540, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Efcor Inc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5340-00-394-9540
Primary Part Number121
Item NameStrap,retaining
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerEfcor Inc
StatusACTIVE
MaterialSTEEL LOCATION NOT OTHERWISE SPECIFIED
Style DesignatorSTRAIGHT ARCH
Distance Between Mounting Hole Center and Inside Edge of Arch0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5340-00-610-5044 (L2-1)
HAZMATNo
Verified Substitutes 3
5340-00-610-5044L2-1 SUCCESSOR
Clamp,synchro
Roller Bearing Co of America, Inc Div Pic Design
6530-01-382-8593121 SUCCESSOR
Drape,instrument,magnetic
Devon Industries Inc
5340-01-539-3685121 SUCCESSOR
Connector,rod End
Du-Bro /dub/
Cross-Reference Index
Part NumberManufacturer
121 Efcor Inc
Related Parts
SUCCESSOR 5340-00-610-5044 Clamp,synchro · L2-1
6530-01-382-8593SUCCESSOR
DRAPE,INSTRUMENT,MAGNETIC
121
5340-01-539-3685SUCCESSOR
CONNECTOR,ROD END
121

Frequently Asked Questions

What is NSN 5340-00-394-9540?

NSN 5340-00-394-9540 is a Strap,retaining, manufactured by Efcor Inc, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-394-9540?

NSN 5340-00-394-9540 has 1 cross-referenced part number: 121 (Efcor Inc).

What NSN replaces 5340-00-394-9540?

There are 3 known substitutes for 5340-00-394-9540: 5340-00-610-5044, 6530-01-382-8593, 5340-01-539-3685. Verify interchangeability with system specifications before substitution.

What are the specifications of 121?

Key specifications for 121: Material: STEEL LOCATION NOT OTHERWISE SPECIFIED; Style Designator: STRAIGHT ARCH; Distance Between Mounting Hole Center and Inside Edge of Arch: 0.250 INCHES NOMINAL IN; Overall Length: 1.750 INCHES NOMINAL IN. 5 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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