The Ring,piston, cataloged under National Stock Number 4310-00-798-4634, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-00-798-4634 |
| Primary Part Number | C366002 |
| 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 |
| Material Document and Classification | SAE J929 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Joint Style | VERTICAL JOINT |
| Radial Wall Thickness | 0.0940 INCHES MINIMUM AND 0.1040 INCHES MAXIMUM IN |
| Ring Style | CONCENTRIC |
| Standard Bore Diameter | 2.250 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 |
|---|---|
| 152150H1 | Komatsu America Corp. (USA) |
| C366002 PRIMARY | Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems (USA) |
| Reference | Meaning |
|---|---|
| 10P472 | 5/9 Secondary reference U.S. Government activity |
| 152150 | 5/9 Secondary reference Komatsu American Intl Co |
| 152150H1 | 5/9 Secondary reference Komatsu American Intl Co |
NSN 4310-00-798-4634 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 4310-00-798-4634 has 2 manufacturer part numbers on file: 152150H1 (Komatsu America Corp.), C366002 (Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems).
1 possible match (shared part number, not a government interchangeability claim): 6625-01-071-9193. Verify interchangeability with system specifications before substitution.
Key specifications for C366002: Overall Width: 0.1235 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM IN; Material Document and Classification: SAE J929 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Joint Style: VERTICAL JOINT. 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.