The Clamp,loop, cataloged under National Stock Number 5340-01-689-9405, 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 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-689-9405 |
| Primary Part Number | AS21919DF20 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE BAND |
| Cushioning Environmental Protection | FUEL RESISTANT |
| Style Designator | OFFSET MOUNT |
| Material Document and Classification | AMS-QQ-A-250/5 NATIONAL STD SINGLE MATERIAL RESPONSE BAND |
| Material Document and Classification | MIL-C-85052/1 MIL SPEC SINGLE MATERIAL RESPONSE CUSHION |
| Diameter | 0.218 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN |
| Material Thickness | 0.062 INCHES NOMINAL IN |
| Distance From Loop Center to Tongue End | 1.343 INCHES NOMINAL IN |
| Surface Treatment | CHROMATE BAND |
| Tongue Hole Type | ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 1.109 INCHES MINIMUM AND 1.139 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 2024 BAND |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR CUSHION |
| Loop Inside Diameter | 1.235 INCHES MINIMUM AND 1.265 INCHES MAXIMUM 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 |
|---|---|
| 301-111124 | Thales Uk Limited Dba Thales Uk Ltd Defence Mission Systems (GBR) |
| AS21919DF20 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| SAE-AS21919 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 5340-01-689-9405 is a Clamp,loop, manufactured by Sae International Dba Sae International, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-689-9405 has 2 manufacturer part numbers on file: 301-111124 (Thales Uk Limited Dba Thales Uk Ltd Defence Mission Systems), AS21919DF20 (Sae International Dba Sae International).
Key specifications for AS21919DF20: Surface Treatment Document and Classification: MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE BAND; Cushioning Environmental Protection: FUEL RESISTANT; Style Designator: OFFSET MOUNT; Material Document and Classification: AMS-QQ-A-250/5 NATIONAL STD SINGLE MATERIAL RESPONSE BAND. 14 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.