The Valve,poppet,engine, cataloged under National Stock Number 2805-00-371-6376, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Dresser Industries Inc Leroi Div. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-371-6376 |
| Primary Part Number | 15-421 |
| Item Name | Valve,poppet,engine |
| FSC / FSG | 2805 / 28 — No Item Name Available |
| Manufacturer | Dresser Industries Inc Leroi Div |
| Status | ACTIVE |
| Carbon Relief Groove | NOT INCLUDED |
| Second Groove Width | 0.0500 INCHES MINIMUM AND 0.0600 INCHES MAXIMUM IN |
| Head Style | FLAT |
| Neck Radius | 0.3750 INCHES NOMINAL IN |
| Stem Length | 4.8430 INCHES NOMINAL IN |
| Metallic Hardness Rating and Location | 28.0 ROCKWELL C MINIMUM STEM AND 37.0 ROCKWELL C MAXIMUM STEM |
| Chamfer Angle in Deg | 45.0 |
| Distance From Second Groove to Stem End | 0.5800 INCHES MINIMUM AND 0.6020 INCHES MAXIMUM IN |
| Second Groove Diameter | 0.3190 INCHES MINIMUM AND 0.3240 INCHES MAXIMUM IN |
| First Groove Width | 0.4375 INCHES MINIMUM AND 0.4420 INCHES MAXIMUM IN |
| Head Height | 0.1874 INCHES NOMINAL IN |
| Seat Angle in Deg | 45.0 |
| First Groove Diameter | 0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Stem Style | DOUBLE GROOVED |
| Stem Diameter | 0.3710 INCHES MINIMUM AND 0.3720 INCHES MAXIMUM IN |
| Distance From First Groove to Stem End | 0.1230 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN |
| Chamfer Length | 0.0312 INCHES NOMINAL IN |
| Outside Diameter | 1.4375 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 15-421 PRIMARY | Dresser Industries Inc Leroi Div (USA) |
NSN 2805-00-371-6376 is a Valve,poppet,engine, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 2805 (No Item Name Available). Status: active.
NSN 2805-00-371-6376 has 1 cross-referenced part number: 15-421 (Dresser Industries Inc Leroi Div).
There are 6 known substitutes for 2805-00-371-6376: 3455-00-224-3732, 3020-00-460-3269, 6680-00-526-9023 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 15-421: Carbon Relief Groove: NOT INCLUDED; Second Groove Width: 0.0500 INCHES MINIMUM AND 0.0600 INCHES MAXIMUM IN; Head Style: FLAT; Neck Radius: 0.3750 INCHES NOMINAL IN. 18 total characteristics are documented in the Federal Logistics Information System.