The Seat Unit, cataloged under National Stock Number 4310-00-628-2503, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-00-628-2503 |
| Item Name | Seat Unit |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Status | ACTIVE |
| General Characteristics Item Description | NYLATRON,0.437 IN. O/A DIA,0.434 IN. MAX @OD,0.390 IN. ACROSS FACE OF SEAT IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 0741-22 | 5/9 Secondary reference Victor Equipment Co |
| 2203-0173 | 5/9 Secondary reference Victor Equipment Co |
| 2203-0173 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4310-00-628-2503 is a Seat Unit, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
Key specifications for 4310-00-628-2503: General Characteristics Item Description: NYLATRON,0.437 IN. O/A DIA,0.434 IN. MAX @OD,0.390 IN. ACROSS FACE OF SEAT IN. 1 specification is 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.