The Lock,valve Spring Retainer, cataloged under National Stock Number 2815-00-288-4867, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Hatch & Kirk, Inc.. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-00-288-4867 |
| Primary Part Number | 3230129 |
| Item Name | Lock,valve Spring Retainer |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Hatch & Kirk, Inc. |
| Status | ACTIVE |
| Thread Provision | UNTHREADED |
| Largest Outside Diameter | 0.375 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| Largest Inside Diameter | 0.186 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN |
| Style Designator | STRAIGHT BORE |
| Outside Included Angle in Deg | 20.0 |
| Casehardening Indicator | CASEHARDENED |
| Material | STEEL |
| Metallic Hardness Rating | 26.0 MINIMUM ROCKWELL C AND 30.0 MAXIMUM ROCKWELL C |
| 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 |
|---|---|
| 81125S41-21056ALT9PC12 | Naval Sea Systems Command (USA) |
| 3230129 PRIMARY | Hatch & Kirk, Inc. (USA) |
| 7T05569LPC91 | Naval Sea Systems Command (USA) |
| SS212S41-0541PC91 | Naval Sea Systems Command (USA) |
| SS198S41-0540PC91 | Naval Sea Systems Command (USA) |
| SS253S41-0541PC91 | Naval Sea Systems Command (USA) |
| S6100-10033PC91 | Naval Sea Systems Command (USA) |
| AVP10S41-037PC91 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 81125S41-21056ALT9PC12 | 5/9 Secondary reference U.S. Government activity |
| SS212S41-0541PC91 | 5/9 Secondary reference U.S. Government activity |
| 3230129 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
| SS198S41-0540PC91 | 5/9 Secondary reference U.S. Government activity |
| SS253S41-0541PC91 | 5/9 Secondary reference U.S. Government activity |
| AVP10S41-037PC91 | 5/9 Secondary reference U.S. Government activity |
| S6100-10033PC91 | 5/9 Secondary reference U.S. Government activity |
| 7T05569LPC91 | 5/9 Secondary reference U.S. Government activity |
NSN 2815-00-288-4867 is a Lock,valve Spring Retainer, manufactured by Hatch & Kirk, Inc., classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-288-4867 has 8 manufacturer part numbers on file: 81125S41-21056ALT9PC12 (Naval Sea Systems Command), 3230129 (Hatch & Kirk, Inc.), 7T05569LPC91 (Naval Sea Systems Command), SS212S41-0541PC91 (Naval Sea Systems Command), SS198S41-0540PC91 (Naval Sea Systems Command) and 3 more.
Key specifications for 3230129: Overall Height: 0.247 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN; Thread Provision: UNTHREADED; Largest Outside Diameter: 0.375 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN; Largest Inside Diameter: 0.186 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN. 8 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.