PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS21315-6Strap,retaining

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5340-00-840-3446 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-840-3446 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-840-3446. Primary manufacturer part number: MS21315-6.
Features
  • Strap,retaining — FSC 5340
  • Mounting Hole Size: 0.173 INCHES NOMINAL IN
  • Material: ALUMINUM ALLOY 2024 LOCATION NOT OTHERWISE SPECIFIED
  • Surface Treatment: ANODIZE
  • Nondefinitive Spec/std Data: 3 TYPE AND B STYLE
  • Style Designator: CURVED ARCH
  • Distance Between Mounting Hole Centers: 0.642 INCHES NOMINAL IN
  • Inside Diameter/arch Length: 0.250 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Alloy 2024 Location Not Otherwise Specified construction
General Description

The Strap,retaining, cataloged under National Stock Number 5340-00-840-3446, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-840-3446
Primary Part NumberMS21315-6
Item NameStrap,retaining
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusACTIVE
Mounting Hole Size0.173 INCHES NOMINAL IN
MaterialALUMINUM ALLOY 2024 LOCATION NOT OTHERWISE SPECIFIED
Surface TreatmentANODIZE
Nondefinitive Spec/std Data3 TYPE AND B STYLE
Style DesignatorCURVED ARCH
Distance Between Mounting Hole Centers0.642 INCHES NOMINAL IN
Inside Diameter/arch Length0.250 INCHES NOMINAL IN
Mounting PadNOT INCLUDED
Material Thickness0.040 INCHES NOMINAL IN
Distance Between Base and Inside of Arch0.234 INCHES NOMINAL IN
CushionNOT INCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5340-00-057-3100 (NASM760-TYP1, STYB, 5/16)
HAZMATNo
Unit of IssueEA
Verified Substitutes 5
5340-00-057-3100NASM760-TYP1, STYB, 5/16 SUCCESSOR
Strap,retaining
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Strap,retaining
5340-00-190-6767MS35140-16 SUCCESSOR
Strap,retaining
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-00-482-1462MS21315-10 SUCCESSOR
Strap,retaining
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-00-598-2570172T51 SUCCESSOR
Strap,retaining
Egs Electrical Group Appleton Div
Cross-Reference Index
Part NumberManufacturer
MS21315-6 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS21315-6 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
NASM21315 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
FF-S-760 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
SUCCESSOR 5340-00-057-3100 Strap,retaining · NASM760-TYP1, STYB, 5/16
5340-00-190-6765SUCCESSOR
STRAP,RETAINING
5340-00-190-6767SUCCESSOR
STRAP,RETAINING
MS35140-16
5340-00-482-1462SUCCESSOR
STRAP,RETAINING
MS21315-10
5340-00-598-2570SUCCESSOR
STRAP,RETAINING
172T51

Frequently Asked Questions

What is NSN 5340-00-840-3446?

NSN 5340-00-840-3446 is a Strap,retaining, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-840-3446?

NSN 5340-00-840-3446 has 4 cross-referenced part numbers: MS21315-6 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS21315-6 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), NASM21315 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), FF-S-760 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5340-00-840-3446?

There are 5 known substitutes for 5340-00-840-3446: 5340-00-057-3100, 5340-00-190-6765, 5340-00-190-6767 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS21315-6?

Key specifications for MS21315-6: Overall Width: 0.375 INCHES NOMINAL IN; Mounting Hole Size: 0.173 INCHES NOMINAL IN; Overall Length: 1.018 INCHES NOMINAL IN; Material: ALUMINUM ALLOY 2024 LOCATION NOT OTHERWISE SPECIFIED. 13 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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