The Plunger,relief Valve, cataloged under National Stock Number 2840-00-472-8686, is classified within Federal Supply Class 2840 (Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Ozark Aeroworks Llc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-00-472-8686 |
| Primary Part Number | 1-160-427-01 |
| Item Name | Plunger,relief Valve |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Ozark Aeroworks Llc |
| Status | ACTIVE |
| General Characteristics Item Description | MATL,STL PER AMS6382,HEAT TREATEDTO 34 MIN 37 MAX RC HARDNESS,SURFACE TREATMENT AMS2485,0.840 IN. NOM 0/A L,0.430 IN. NOM 0/A FLANGE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1-160-427-01 | Rolls-Royce Deutschland Ltd & Co Kg (DEU) |
| 1-160-427-01 PRIMARY | Ozark Aeroworks Llc (USA) |
| Reference | Meaning |
|---|---|
| 1-160-427-01 | 3/9 Design control — primary reference U.S. Government activity |
NSN 2840-00-472-8686 is a Plunger,relief Valve, manufactured by Ozark Aeroworks Llc, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-00-472-8686 has 2 manufacturer part numbers on file: 1-160-427-01 (Rolls-Royce Deutschland Ltd & Co Kg), 1-160-427-01 (Ozark Aeroworks Llc).
Key specifications for 1-160-427-01: General Characteristics Item Description: MATL,STL PER AMS6382,HEAT TREATEDTO 34 MIN 37 MAX RC HARDNESS,SURFACE TREATMENT AMS2485,0.840 IN. NOM 0/A L,0.430 IN. NOM 0/A FLANGE IN; End Item Identification: T-53 SERIES AIRCRAFT ENGINES. 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.
NSN 2840-00-472-8686 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.