The Caster,swivel, cataloged under National Stock Number 5340-01-243-9638, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Spartronics Williamsport, Inc. Dba Spartronics Williamsport Inc. Government technical data includes 23 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-243-9638 |
| Primary Part Number | 4.6109.939 |
| Item Name | Caster,swivel |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Spartronics Williamsport, Inc. Dba Spartronics Williamsport Inc |
| Status | ACTIVE |
| Plate Style | RECTANGULAR |
| Center to Center Minor Distance Between Mounting Slots Along Length | 3.000 INCHES NOMINAL IN |
| Center to Center Major Distance Between Mounting Slots Along Length | 3.625 INCHES NOMINAL IN |
| Tread Width | 2.000 INCHES NOMINAL IN |
| Center to Center Minor Distance Between Mounting Slots Along Width | 2.625 INCHES NOMINAL IN |
| Wheel Type | SOLID |
| Style Designator | SWIVEL OFFSET |
| Caster Plate Width | 4.000 INCHES NOMINAL IN |
| Caster Plate Length | 4.500 INCHES NOMINAL IN |
| Wheel Quantity | 1 |
| Effective Height | 7.500 INCHES NOMINAL IN |
| Center to Center Major Distance Between Mounting Slots Along Width | 3.000 INCHES NOMINAL IN |
| Safe Operating Load Rating | 900.0 POUNDS MAXIMUM LBS |
| Surface Treatment | ENAMEL BODY |
| Surface Treatment | ENAMEL PLATE |
| Wheel Diameter | 6.000 INCHES NOMINAL IN |
| Wheel Bearing Type | ROLLER |
| Swivel Bearing Type | BALL |
| Material | STEEL BODY |
| Material | STEEL PLATE |
| Material | ALUMINUM ALLOY WHEEL RIM |
| Material | PLASTIC POLYURETHANE TREAD |
| Swivel Bearing Arrangement | TWO ROW |
| 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 |
|---|---|
| 4.6109.939 | Spartronics Williamsport, Inc. Dba Spartronics Williamsport Inc (USA) |
| Reference | Meaning |
|---|---|
| 4-6109-939 | 3/9 Design control — primary reference Colson Group Holdings, Llc |
NSN 5340-01-243-9638 is a Caster,swivel, manufactured by Spartronics Williamsport, Inc. Dba Spartronics Williamsport Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-243-9638 has 1 manufacturer part number on file: 4.6109.939 (Spartronics Williamsport, Inc. Dba Spartronics Williamsport Inc).
Key specifications for 4.6109.939: Plate Style: RECTANGULAR; Center to Center Minor Distance Between Mounting Slots Along Length: 3.000 INCHES NOMINAL IN; Center to Center Major Distance Between Mounting Slots Along Length: 3.625 INCHES NOMINAL IN; Tread Width: 2.000 INCHES NOMINAL IN. 23 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.