The Clamp,loop, cataloged under National Stock Number 5340-00-677-1899, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Textron Aviation Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-677-1899 |
| Primary Part Number | 4055016-2 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Textron Aviation Inc |
| Status | ACTIVE |
| Style Designator | SINGLE LOOP |
| Material Document and Classification | QQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE BAND |
| Diameter | 0.250 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Material Thickness | 0.045 INCHES MINIMUM AND 0.061 INCHES MAXIMUM IN |
| Distance From Loop Center to Tongue End | 1.127 INCHES MINIMUM AND 1.187 INCHES MAXIMUM IN |
| Tongue Hole Type | ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 0.924 INCHES MINIMUM AND 0.954 INCHES MAXIMUM IN |
| Material | RUBBER CUSHION |
| Material | ALUMINUM ALLOY 2024 BAND |
| Loop Inside Diameter | 0.923 INCHES MINIMUM AND 0.953 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 |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 4055016-2 PRIMARY | Textron Aviation Inc (USA) |
| PL4055016 | Textron Aviation Inc (USA) |
| Reference | Meaning |
|---|---|
| PL4055016 | 5/9 Secondary reference Cessna Aircraft Company Dba Textron Aviation |
| 4055016-2 | 3/9 Design control — primary reference Cessna Aircraft Company Dba Textron Aviation |
NSN 5340-00-677-1899 is a Clamp,loop, manufactured by Textron Aviation Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-677-1899 has 2 manufacturer part numbers on file: 4055016-2 (Textron Aviation Inc), PL4055016 (Textron Aviation Inc).
Key specifications for 4055016-2: Style Designator: SINGLE LOOP; Material Document and Classification: QQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE BAND; Diameter: 0.250 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN; Overall Width: 0.500 INCHES NOMINAL IN. 10 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.