The Ring,piston, cataloged under National Stock Number 4310-00-267-5151, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-00-267-5151 |
| Primary Part Number | 3070P |
| Item Name | Ring,piston |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| FSC Application Data | PISTON,PUMP,RECIPROCATING |
| Bore Diameter Oversize | 0.010 INCHES IN |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, TWO PIECE, STRAIGHT FACE |
| Joint Style | VERTICAL JOINT |
| Radial Wall Thickness | 0.1230 INCHES MINIMUM AND 0.1330 INCHES MAXIMUM IN |
| Ring Style | CONCENTRIC |
| Standard Bore Diameter | 2.438 INCHES IN |
| Material | IRON INSIDE PERIPHERY |
| Material | STEEL OUTSIDE PERIPHERY |
| 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 |
|---|---|
| 3070P PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| 3070P | 3/9 Design control — primary reference U.S. Government activity |
| SL4065PC59-600S | 5/9 Secondary reference U.S. Government activity |
NSN 4310-00-267-5151 is a Ring,piston, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-00-267-5151 has 1 manufacturer part number on file: 3070P (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
Key specifications for 3070P: FSC Application Data: PISTON,PUMP,RECIPROCATING; Bore Diameter Oversize: 0.010 INCHES IN; Overall Width: 0.1059 INCHES MINIMUM AND 0.1074 INCHES MAXIMUM IN; Cross-Sectional Shape Style: PLAIN RECTANGULAR, TWO PIECE, STRAIGHT FACE. 9 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.