The Caster,swivel, cataloged under National Stock Number 5340-01-379-8087, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-379-8087 |
| Primary Part Number | 6558491-1 |
| Item Name | Caster,swivel |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Plate Style | RECTANGULAR |
| Center to Center Minor Distance Between Mounting Slots Along Length | 4.937 INCHES NOMINAL IN |
| Center to Center Major Distance Between Mounting Slots Along Length | 5.250 INCHES NOMINAL IN |
| Tread Width | 2.000 INCHES NOMINAL IN |
| Center to Center Minor Distance Between Mounting Slots Along Width | 2.437 INCHES NOMINAL IN |
| Wheel Type | BUILT UP |
| Style Designator | SWIVEL OFFSET |
| Material Document and Classification | SAE 1045 ASSN STD SINGLE MATERIAL RESPONSE FRAME |
| Caster Plate Width | 4.500 INCHES NOMINAL IN |
| Caster Plate Length | 6.250 INCHES NOMINAL IN |
| Wheel Quantity | 1 |
| Effective Height | 5.620 INCHES NOMINAL IN |
| Center to Center Major Distance Between Mounting Slots Along Width | 3.375 INCHES NOMINAL IN |
| Safe Operating Load Rating | 700.0 POUNDS NOMINAL LBS |
| Wheel Diameter | 4.000 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY WHEEL RIM |
| Material | PLASTIC POLYURETHANE TREAD |
| Material | STEEL COMP 1045 FRAME |
| 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 |
|---|---|
| 6558491-1 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 72-PD-04201-SC-72 | 5/9 Secondary reference Household International Co |
| 72PD04201S | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-379-8087 is a Caster,swivel, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-379-8087 has 1 manufacturer part number on file: 6558491-1 (Naval Sea Systems Command).
Key specifications for 6558491-1: Plate Style: RECTANGULAR; Center to Center Minor Distance Between Mounting Slots Along Length: 4.937 INCHES NOMINAL IN; Center to Center Major Distance Between Mounting Slots Along Length: 5.250 INCHES NOMINAL IN; Tread Width: 2.000 INCHES NOMINAL IN. 18 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.