The Ring,piston, cataloged under National Stock Number 4310-00-414-7974, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-00-414-7974 |
| Primary Part Number | 032590-X1 |
| Item Name | Ring,piston |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems |
| Status | ACTIVE |
| Cross-Sectional Shape Style | DOUBLE INSIDE BEVEL, STRAIGHT FACE |
| Joint Style | STEP JOINT |
| Radial Wall Thickness | 0.1250 INCHES NOMINAL IN |
| Ring Style | CONCENTRIC |
| Surface Treatment | OXIDE OVERALL |
| Standard Bore Diameter | 4.000 INCHES IN |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 032590-X1 PRIMARY | Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems (USA) |
| C646001 | Morris Material Handling, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3435846C1 | 5/2 Secondary reference U.S. Government activity |
| C646001 | 5/9 Secondary reference Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems |
NSN 4310-00-414-7974 is a Ring,piston, manufactured by Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-00-414-7974 has 2 manufacturer part numbers on file: 032590-X1 (Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems), C646001 (Morris Material Handling, Inc.).
Key specifications for 032590-X1: Overall Width: 0.1875 INCHES NOMINAL IN; Cross-Sectional Shape Style: DOUBLE INSIDE BEVEL, STRAIGHT FACE; Joint Style: STEP JOINT; Radial Wall Thickness: 0.1250 INCHES NOMINAL IN. 7 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.