The Ring Assembly,reversing Valve, cataloged under National Stock Number 4320-00-132-5232, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-132-5232 |
| Primary Part Number | 2816P |
| Item Name | Ring Assembly,reversing Valve |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| General Characteristics Item Description | INNER RING 3.188 IN. BORE DIA,OPEN GAP TO 1.813 IN.,HARDEN TO SPRING TEMPER,OUTER RING 3.438 IN. BORE DIA,0.010 IN. OVERSIZE,0.139 IN. W IN |
| 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 |
|---|---|
| 2816P PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| 2816P | 3/9 Design control — primary reference U.S. Government activity |
NSN 4320-00-132-5232 is a Ring Assembly,reversing Valve, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-132-5232 has 1 manufacturer part number on file: 2816P (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
Key specifications for 2816P: General Characteristics Item Description: INNER RING 3.188 IN. BORE DIA,OPEN GAP TO 1.813 IN.,HARDEN TO SPRING TEMPER,OUTER RING 3.438 IN. BORE DIA,0.010 IN. OVERSIZE,0.139 IN. W 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.