The Ring Set,piston, cataloged under National Stock Number 4310-01-397-7075, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Mako Compressors, Llc. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 4310-01-397-7075 |
| Primary Part Number | 98477/1142 |
| Item Name | Ring Set,piston |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Mako Compressors, Llc |
| Status | ACTIVE |
| Ring Set Component Parts | RING 2 |
| Piston Accommodation Quantity | 1 |
| 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 |
|---|---|
| 98477/1142 PRIMARY | Mako Compressors, Llc (USA) |
| Reference | Meaning |
|---|---|
| 98477/1098 | 5/9 Secondary reference Mako Compressors, Llc |
NSN 4310-01-397-7075 is a Ring Set,piston, manufactured by Mako Compressors, Llc, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-397-7075 has 1 manufacturer part number on file: 98477/1142 (Mako Compressors, Llc).
Key specifications for 98477/1142: Ring Set Component Parts: RING 2; Piston Accommodation Quantity: 1; Special Features: 4TH STAGE RING SET; End Item Identification: WEAPON SYSTEM E/I LOS ANGELOS CLASS SSN; MODELS 5408 AND 5409. 2 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.