The Valve,poppet,engine, cataloged under National Stock Number 2805-00-203-8640, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Superior Air Parts, Inc.. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 2805-00-203-8640 |
| Primary Part Number | SA532129 |
| Item Name | Valve,poppet,engine |
| FSC / FSG | 2805 / 28 — No Item Name Available |
| Manufacturer | Superior Air Parts, Inc. |
| Status | CANCELLED |
| Stem Diameter | 0.4330 INCHES MINIMUM AND 0.4340 INCHES MAXIMUM IN |
| Outside Diameter | 2.3070 INCHES MINIMUM AND 2.3170 INCHES MAXIMUM IN |
| Neck Radius | 0.5000 INCHES NOMINAL IN |
| Seat Angle in Deg | 45.0 |
| Metallic Hardness Rating and Location | 40.0 ROCKWELL C MINIMUM OVERALL |
| Groove Width | 0.1560 INCHES MINIMUM AND 0.1660 INCHES MAXIMUM IN |
| Distance From Groove to Stem End | 0.3200 INCHES NOMINAL IN |
| Head Style | CONCAVE |
| Carbon Relief Groove | NOT INCLUDED |
| Chamfer Angle in Deg | 45.0 |
| Stem Style | GROOVED |
| Chamfer Length | 0.0300 INCHES NOMINAL IN |
| Stem Length | 4.7140 INCHES MINIMUM AND 4.7240 INCHES MAXIMUM IN |
| Metallic Hardness Rating and Location | 45.0 ROCKWELL C MAXIMUM OVERALL |
| Groove Diameter | 0.3590 INCHES MINIMUM AND 0.3650 INCHES MAXIMUM IN |
| Head Height | 0.1620 INCHES MINIMUM AND 0.1720 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 2805-00-203-8640 is a Valve,poppet,engine, manufactured by Superior Air Parts, Inc., classified under FSC 2805 (No Item Name Available). Status: cancelled.
NSN 2805-00-203-8640 has 3 cross-referenced part numbers: SA532129 (Superior Air Parts, Inc.), B620 (Eaton Corp Dba Eaton Aerospace Jackson), 532129 (Teledyne Industries Inc Teledyne Power Systems Div).
There are 4 known substitutes for 2805-00-203-8640: 5999-00-086-1352, 5910-00-106-4684, 2520-00-496-3191 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for SA532129: Stem Diameter: 0.4330 INCHES MINIMUM AND 0.4340 INCHES MAXIMUM IN; Outside Diameter: 2.3070 INCHES MINIMUM AND 2.3170 INCHES MAXIMUM IN; Neck Radius: 0.5000 INCHES NOMINAL IN; Seat Angle in Deg: 45.0. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 2805-00-203-8640 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.