The Flange,valve, cataloged under National Stock Number 2995-00-056-1343, is classified within Federal Supply Class 2995 (Miscellaneous Engine Accessories, Aircraft) of the Engine Accessories group. The manufacturer of record is Dukes Aerospace, Inc.. Government technical data includes 2 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 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2995-00-056-1343 |
| Primary Part Number | 2158-22 |
| Item Name | Flange,valve |
| FSC / FSG | 2995 / 29 — Miscellaneous Engine Accessories, Aircraft |
| Manufacturer | Dukes Aerospace, Inc. |
| Status | ACTIVE |
| FSC Application Data | VALVE,REGULATING P-N 4158&00 |
| General Characteristics Item Description | STEEL AMS5392G,2.60 IN. OD,2.00IN. ID,0.730 IN. LG,2 3/16-32-2A THD.P. DIA. 2.1659,HEAT TREATMENT ANNEALED,MATERIAL N1-RESIST TYPE1,SURFACE ROUGHNESS PER MIL-STD-10 25 MICROINCHES,FINISH DRI-LUBE 0.001 MAX. THICK IN ACCORDANCE WITH MIL-L-25504A A |
| 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 |
|---|---|
| 2158-22 PRIMARY | Dukes Aerospace, Inc. (USA) |
NSN 2995-00-056-1343 is a Flange,valve, manufactured by Dukes Aerospace, Inc., classified under FSC 2995, Miscellaneous Engine Accessories, Aircraft. Status: active.
NSN 2995-00-056-1343 has 1 manufacturer part number on file: 2158-22 (Dukes Aerospace, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 5915-00-398-0676, 1010-01-318-7230. Verify interchangeability with system specifications before substitution.
Key specifications for 2158-22: FSC Application Data: VALVE,REGULATING P-N 4158&00; General Characteristics Item Description: STEEL AMS5392G,2.60 IN. OD,2.00IN. ID,0.730 IN. LG,2 3/16-32-2A THD.P. DIA. 2.1659,HEAT TREATMENT ANNEALED,MATERIAL N1-RESIST TYPE1,SURFACE ROUGHNESS PER MIL-STD-10 25 MICROINCHES,FINISH DRI-LUBE 0.001 MAX. THICK IN ACCORDANCE WITH MIL-L-25504A A. 2 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.