The Retainer,spring, cataloged under National Stock Number 4420-00-537-0080, is classified within Federal Supply Class 4420 (Heat Exchangers and Steam Condensers) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is L & L Boiler Maintenance Inc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Retainer,spring |
| FSC / FSG | 4420 — Heat Exchangers and Steam Condensers (FSG 44) |
| Manufacturers | L & L Boiler Maintenance Inc (CAGE 0ATF2) |
| Parameter | Value |
|---|---|
| NSN | 4420-00-537-0080 |
| Primary Part Number | 460001001 |
| Item Name | Retainer,spring |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | L & L Boiler Maintenance Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 88034001PC17 | L & L Boiler Maintenance Inc (USA) |
| 880034001PC17 | L & L Boiler Maintenance Inc (USA) |
| 460001001 PRIMARY | L & L Boiler Maintenance Inc (USA) |
| Reference | Meaning |
|---|---|
| 88034001PC17 | 5/9 Secondary reference D & J Parts Inc |
| 880034001PC17 | 5/9 Secondary reference D & J Parts Inc |
| 460001001 | 3/9 Design control — primary reference D & J Parts Inc |
NSN 4420-00-537-0080 is a Retainer,spring, manufactured by L & L Boiler Maintenance Inc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-00-537-0080 has 3 manufacturer part numbers on file: 88034001PC17 (L & L Boiler Maintenance Inc), 880034001PC17 (L & L Boiler Maintenance Inc), 460001001 (L & L Boiler Maintenance Inc).
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.