The Clamp,loop, cataloged under National Stock Number 5340-01-690-0570, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-01-690-0570 |
| Primary Part Number | AS21919CH04 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Style Designator | OFFSET MOUNT |
| Material Document and Classification | MIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE OR AMS 5510 ASSN STD 2ND MATERIAL RESPONSE BAND |
| Material Document and Classification | AMS 3310 ASSN STD 2ND MATERIAL RESPONSE CUSHION |
| Diameter | 0.223 INCHES NOMINAL IN |
| Material Thickness | 0.032 INCHES NOMINAL IN |
| Distance From Loop Center to Tongue End | 0.219 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE BAND |
| Tongue Hole Type | ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 0.514 INCHES MINIMUM AND 0.544 INCHES MAXIMUM IN |
| Material | RUBBER SILICONE CLASS Q CUSHION |
| Material | STEEL COMP 302 OR STEEL COMP 321 BAND |
| Loop Inside Diameter | 0.748 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| AS21919CH04 PRIMARY | Sae International Dba Sae International (USA) |
| AS21919CH04 | Leonardo Spa Aeronautics Division - Pomigliano D'arco Site (ITA) |
| Reference | Meaning |
|---|---|
| SAE-AS21919 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 5340-01-690-0570 is a Clamp,loop, manufactured by Sae International Dba Sae International, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-690-0570 has 2 manufacturer part numbers on file: AS21919CH04 (Sae International Dba Sae International), AS21919CH04 (Leonardo Spa Aeronautics Division - Pomigliano D'arco Site).
Key specifications for AS21919CH04: Style Designator: OFFSET MOUNT; Material Document and Classification: MIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE OR AMS 5510 ASSN STD 2ND MATERIAL RESPONSE BAND; Material Document and Classification: AMS 3310 ASSN STD 2ND MATERIAL RESPONSE CUSHION; Diameter: 0.223 INCHES NOMINAL IN. 12 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.