PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS21315-21Strap,retaining

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5340-00-989-5924 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-989-5924 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-989-5924. Primary manufacturer part number: MS21315-21.
Features
  • Strap,retaining — FSC 5340
  • Nondefinitive Spec/std Data: 3 TYPE AND B STYLE
  • Material: STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL LOCATION NOT OTHERWISE SPECIFIED
  • Surface Treatment: CADMIUM AND CHROMATE
  • Style Designator: CURVED ARCH
  • Distance Between Base and Inside of Arch: 0.734 INCHES NOMINAL IN
  • Material Thickness: 0.040 INCHES NOMINAL IN
  • Cushion: NOT INCLUDED
Applications
  • Applications requiring Steel Comp 1008 or Steel Comp 1009 or Steel Comp 1015 or Steel Comp 1018 or Steel Comp 1020 or Steel Location Not Otherwise Specified construction
General Description

The Strap,retaining, cataloged under National Stock Number 5340-00-989-5924, 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 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-989-5924
Primary Part NumberMS21315-21
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
Nondefinitive Spec/std Data3 TYPE AND B STYLE
MaterialSTEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL LOCATION NOT OTHERWISE SPECIFIED
Surface TreatmentCADMIUM AND CHROMATE
Style DesignatorCURVED ARCH
Distance Between Base and Inside of Arch0.734 INCHES NOMINAL IN
Material Thickness0.040 INCHES NOMINAL IN
CushionNOT INCLUDED
Mounting Hole Size0.173 INCHES NOMINAL IN
Inside Diameter/arch Length0.750 INCHES NOMINAL IN
Mounting PadNOT INCLUDED
Distance Between Mounting Hole Centers1.138 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 3
5340-00-482-1462MS21315-10 SUCCESSOR
Strap,retaining
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-00-351-3966MS21315-11 INTERCHANGEABLE
Strap,retaining
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-00-726-0784MS21315-31 INTERCHANGEABLE
Strap,retaining
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
NASM760-3-A National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
NASM21315-21 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MS21315-21 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
FFS760TYPE3STYLEA Federal Specifications Promulgated by General Services Administration Washington DC (USA)
NASM21315 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MS21315-21 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS21315-21 Dialogic Corp Dba Dialogic Fasteners (USA)
Related Parts
5340-00-482-1462SUCCESSOR
STRAP,RETAINING
MS21315-10
5340-00-351-3966INTERCHANGEABLE
STRAP,RETAINING
MS21315-11
5340-00-726-0784INTERCHANGEABLE
STRAP,RETAINING
MS21315-31

Frequently Asked Questions

What is NSN 5340-00-989-5924?

NSN 5340-00-989-5924 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 5340-00-989-5924?

NSN 5340-00-989-5924 has 7 cross-referenced part numbers: NASM760-3-A (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), NASM21315-21 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), MS21315-21 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), FFS760TYPE3STYLEA (Federal Specifications Promulgated by General Services Administration Washington DC), NASM21315 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use) and 2 more.

What NSN replaces 5340-00-989-5924?

There are 3 known substitutes for 5340-00-989-5924: 5340-00-482-1462, 5340-00-351-3966, 5340-00-726-0784. Verify interchangeability with system specifications before substitution.

What are the specifications of MS21315-21?

Key specifications for MS21315-21: Nondefinitive Spec/std Data: 3 TYPE AND B STYLE; Material: STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL LOCATION NOT OTHERWISE SPECIFIED; Surface Treatment: CADMIUM AND CHROMATE; Style Designator: CURVED ARCH. 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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