The Ring,piston, cataloged under National Stock Number 4310-00-062-8156, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Norwalk Compreseer Company Inc Dba Norwalk Compressor Company. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Ring,piston |
| FSC / FSG | 4310 — Compressors and Vacuum Pumps (FSG 43) |
| Manufacturers | Norwalk Compreseer Company Inc Dba Norwalk Compressor Company (CAGE 44218) |
| Parameter | Value |
|---|---|
| NSN | 4310-00-062-8156 |
| Primary Part Number | 34243D |
| Item Name | Ring,piston |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Norwalk Compreseer Company Inc Dba Norwalk Compressor Company |
| 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 |
|---|---|
| 34243D PRIMARY | Norwalk Compreseer Company Inc Dba Norwalk Compressor Company (USA) |
| Reference | Meaning |
|---|---|
| GI17824 | 5/9 Secondary reference Dover Resources Inc Dba C. Lee Cook Div |
| B2011 | D/9 Drawing number reference only Environmental Elements Corp |
NSN 4310-00-062-8156 is a Ring,piston, manufactured by Norwalk Compreseer Company Inc Dba Norwalk Compressor Company, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-00-062-8156 has 1 manufacturer part number on file: 34243D (Norwalk Compreseer Company Inc Dba Norwalk Compressor Company).
5 possible matches (shared part number, not a government interchangeability claim): 4820-01-115-1409, 4820-01-115-6738, 4820-01-115-8331. Verify interchangeability with system specifications before substitution.
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.