The Caster,rigid, cataloged under National Stock Number 5340-01-136-1683, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Flotron. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-136-1683 |
| Primary Part Number | 3-408-409 |
| Item Name | Caster,rigid |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Flotron |
| Status | ACTIVE |
| Tread Width | 1.500 INCHES NOMINAL IN |
| Wheel Type | SOLID |
| Coating Method | PLATED PLATE |
| Style Designator | RIGID |
| Caster Plate Width | 3.812 INCHES NOMINAL IN |
| Caster Plate Length | 4.625 INCHES NOMINAL IN |
| Wheel Quantity | 1 |
| Effective Height | 5.375 INCHES NOMINAL IN |
| Safe Operating Load Rating | 200.0 POUNDS MAXIMUM LBS |
| Surface Treatment | ZINC PLATE |
| Wheel Diameter | 4.000 INCHES NOMINAL IN |
| Wheel Bearing Type | ROLLER |
| Material | RUBBER TIRE |
| Material | STEEL PLATE |
| 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 |
|---|---|
| 3-408-409 PRIMARY | Flotron (USA) |
| Reference | Meaning |
|---|---|
| 3-408-409 | 5/9 Secondary reference Colson Group Holdings, Llc |
NSN 5340-01-136-1683 is a Caster,rigid, manufactured by Flotron, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-136-1683 has 1 manufacturer part number on file: 3-408-409 (Flotron).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-599-4660. Verify interchangeability with system specifications before substitution.
Key specifications for 3-408-409: Tread Width: 1.500 INCHES NOMINAL IN; Wheel Type: SOLID; Coating Method: PLATED PLATE; Style Designator: RIGID. 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.