The Lock,swivel,caster, cataloged under National Stock Number 5342-01-602-4170, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is Modern Suspension Systems Inc Dba Rockford Metal Products Div. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5342-01-602-4170 |
| Primary Part Number | HM20A |
| Item Name | Lock,swivel,caster |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | Modern Suspension Systems Inc Dba Rockford Metal Products Div |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| HM20A PRIMARY | Modern Suspension Systems Inc Dba Rockford Metal Products Div (USA) |
| Reference | Meaning |
|---|---|
| HM20 | 5/9 Secondary reference Modern Suspension Systems Inc Dba Rockford Metal Products Div |
NSN 5342-01-602-4170 is a Lock,swivel,caster, manufactured by Modern Suspension Systems Inc Dba Rockford Metal Products Div, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-01-602-4170 has 1 manufacturer part number on file: HM20A (Modern Suspension Systems Inc Dba Rockford Metal Products Div).
1 possible match (shared part number, not a government interchangeability claim): 5306-01-606-7978. Verify interchangeability with system specifications before substitution.
Key specifications for HM20A: End Item Identification: 74 SERIES CASTERS. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.