PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS21103-21Clamp,loop

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5340-00-198-7447 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-198-7447 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-198-7447. Primary manufacturer part number: MS21103-21.
Features
  • Clamp,loop — FSC 5340
  • Center to Center Distance Between Loop and Mounting Hole: 1.061 INCHES NOMINAL IN
  • Loop Inside Diameter: 1.298 INCHES MINIMUM AND 1.328 INCHES MAXIMUM IN
  • Surface Treatment: PASSIVATE BAND
  • Material: STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 BAND
  • Style Designator: SINGLE LOOP
  • Style Designator: SINGLE LOOP
  • Tongue Hole Type: ROUND, UNTHREADED
Applications
  • Applications requiring Steel Comp 321 or Steel Comp 347 or Steel Comp 348 Band construction
General Description

The Clamp,loop, cataloged under National Stock Number 5340-00-198-7447, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-198-7447
Primary Part NumberMS21103-21
Item NameClamp,loop
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Center to Center Distance Between Loop and Mounting Hole1.061 INCHES NOMINAL IN
Loop Inside Diameter1.298 INCHES MINIMUM AND 1.328 INCHES MAXIMUM IN
Surface TreatmentPASSIVATE BAND
MaterialSTEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 BAND
Style DesignatorSINGLE LOOP
Style DesignatorSINGLE LOOP
Tongue Hole TypeROUND, UNTHREADED
MaterialSTEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 BAND
Diameter0.204 INCHES NOMINAL IN
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BAND
Distance From Loop Center to Tongue End1.279 INCHES NOMINAL IN
Material Document and ClassificationMIL-S-6721 MIL SPEC ALL MATERIAL RESPONSES BAND
Surface TreatmentPASSIVATE BAND
Diameter0.204 INCHES NOMINAL IN
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BAND
Distance From Loop Center to Tongue End1.279 INCHES NOMINAL IN
Loop Inside Diameter1.298 INCHES MINIMUM AND 1.328 INCHES MAXIMUM IN
Material Thickness0.028 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
Center to Center Distance Between Loop and Mounting Hole1.061 INCHES NOMINAL IN
Material Thickness0.028 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
Material Document and ClassificationMIL-S-6721 MIL SPEC ALL MATERIAL RESPONSES BAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
5340-00-052-9805 INTERCHANGEABLE
Clamp,loop
5340-00-097-4256 INTERCHANGEABLE
Clamp,loop
5340-00-108-9814 INTERCHANGEABLE
Clamp,loop
5340-00-186-3389 INTERCHANGEABLE
Clamp,loop
5340-00-247-6230 INTERCHANGEABLE
Clamp,loop
5340-00-279-4295 INTERCHANGEABLE
Clamp,loop
5340-00-300-1981 INTERCHANGEABLE
Clamp,loop
5340-00-429-2598 INTERCHANGEABLE
Clamp,loop
5340-00-526-2377 INTERCHANGEABLE
Clamp,loop
5340-00-526-2381 INTERCHANGEABLE
Clamp,loop
Cross-Reference Index
Part NumberManufacturer
MS21103-21 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS21103 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5340-00-052-9805INTERCHANGEABLE
CLAMP,LOOP
5340-00-097-4256INTERCHANGEABLE
CLAMP,LOOP
5340-00-108-9814INTERCHANGEABLE
CLAMP,LOOP
5340-00-186-3389INTERCHANGEABLE
CLAMP,LOOP
5340-00-247-6230INTERCHANGEABLE
CLAMP,LOOP
5340-00-279-4295INTERCHANGEABLE
CLAMP,LOOP
5340-00-300-1981INTERCHANGEABLE
CLAMP,LOOP
5340-00-429-2598INTERCHANGEABLE
CLAMP,LOOP
5340-00-526-2377INTERCHANGEABLE
CLAMP,LOOP
5340-00-526-2381INTERCHANGEABLE
CLAMP,LOOP
5340-01-051-0584INTERCHANGEABLE
CLAMP,LOOP
5340-01-058-4466INTERCHANGEABLE
CLAMP,LOOP

Frequently Asked Questions

What is NSN 5340-00-198-7447?

NSN 5340-00-198-7447 is a Clamp,loop, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-198-7447?

NSN 5340-00-198-7447 has 2 cross-referenced part numbers: MS21103-21 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS21103 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5340-00-198-7447?

There are 12 known substitutes for 5340-00-198-7447: 5340-00-052-9805, 5340-00-097-4256, 5340-00-108-9814 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS21103-21?

Key specifications for MS21103-21: Center to Center Distance Between Loop and Mounting Hole: 1.061 INCHES NOMINAL IN; Loop Inside Diameter: 1.298 INCHES MINIMUM AND 1.328 INCHES MAXIMUM IN; Overall Width: 0.500 INCHES NOMINAL IN; Surface Treatment: PASSIVATE BAND. 23 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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