The Clamp,loop, cataloged under National Stock Number 5340-01-486-0973, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Dassault Aviation. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-486-0973 |
| Primary Part Number | 78657-00 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Dassault Aviation |
| Status | ACTIVE |
| Lug Hole Diameter | 0.199 INCHES MINIMUM AND 1.209 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | ASTM A967-96 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Fastening Device Type | HEXAGON CROSS RECESS HEAD SCREW |
| Style Designator | CLAMP & BRACKET |
| Material Document and Classification | AMS 5510 ASSN STD 1ST MATERIAL RESPONSE BAND |
| Material Document and Classification | AMS 5732 MFR REF 2ND MATERIAL RESPONSE OR AMS 5737 MFR REF 2ND MATERIAL RESPONSE CUSHION |
| Material Thickness | 1.680 INCHES NOMINAL IN |
| Lug Width | 1.750 INCHES NOMINAL IN |
| Distance From Loop Center to Tongue End | 1.960 INCHES MINIMUM AND 2.020 INCHES MAXIMUM IN |
| Center to Center Distance Between First and Second Holes | 1.250 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Center to Center Distance Between Loop and Mounting Hole | 1.215 INCHES MINIMUM AND 1.245 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING SCREW |
| Material | STEEL CORROSION RESISTING NUT |
| Material | STEEL CORROSION RESISTING BAND |
| Material | STEEL CORROSION RESISTING CUSHION |
| Loop Inside Diameter | 0.315 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 |
|---|---|
| 78657-00 | Dassault Aviation (FRA) |
| Reference | Meaning |
|---|---|
| TA12300027-00 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-486-0973 is a Clamp,loop, manufactured by Dassault Aviation, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-486-0973 has 1 manufacturer part number on file: 78657-00 (Dassault Aviation).
Key specifications for 78657-00: Lug Hole Diameter: 0.199 INCHES MINIMUM AND 1.209 INCHES MAXIMUM IN; Surface Treatment Document and Classification: ASTM A967-96 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Fastening Device Type: HEXAGON CROSS RECESS HEAD SCREW; Style Designator: CLAMP & BRACKET. 17 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.