The Valve,poppet,engine, cataloged under National Stock Number 2805-00-271-9550, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Trw Inc Trw Intl Trade Government Sales Dept. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 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 | 2805-00-271-9550 |
| Primary Part Number | S-1893 |
| Item Name | Valve,poppet,engine |
| FSC / FSG | 2805 / 28 — No Item Name Available |
| Manufacturer | Trw Inc Trw Intl Trade Government Sales Dept |
| Status | CANCELLED |
| Carbon Relief Groove | NOT INCLUDED |
| Seat Angle in Deg | 45.0 |
| Slot Length | 0.3300 INCHES MINIMUM AND 0.3380 INCHES MAXIMUM IN |
| Metallic Hardness Rating and Location | 37.0 ROCKWELL C NOMINAL TIP |
| FSC Application Data | GASOLINE ENGINE |
| Metallic Hardness Rating and Location | 37.0 ROCKWELL C NOMINAL STEM |
| Neck Radius | 0.4375 INCHES NOMINAL IN |
| Slot Radius | 0.1790 INCHES MINIMUM AND 0.1810 INCHES MAXIMUM IN |
| Stem Style | SLOTTED |
| Outside Diameter | 1.5625 INCHES MINIMUM AND 1.5725 INCHES MAXIMUM IN |
| Distance From Slot to Stem End | 0.1094 INCHES NOMINAL IN |
| Stem Diameter | 0.3720 INCHES MINIMUM AND 0.3730 INCHES MAXIMUM IN |
| Chamfer Length | 0.0312 INCHES NOMINAL IN |
| Head Height | 0.2010 INCHES MINIMUM AND 0.2210 INCHES MAXIMUM IN |
| Head Style | MUSHROOM |
| Slot Width | 0.1580 INCHES MINIMUM AND 0.1620 INCHES MAXIMUM IN |
| Chamfer Angle in Deg | 45.0 |
| Stem Length | 4.9158 INCHES MINIMUM AND 4.9208 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| S-1893 PRIMARY | Trw Inc Trw Intl Trade Government Sales Dept (USA) |
| 40010A | Hoist Liftruck Mfg Inc (USA) |
| E-118 | Gould Inc Industrial Marketing Div (USA) |
| 43014A PRIMARY | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| 1151 | Napasco International Inc (USA) |
| D-1271 PRIMARY | Dana Corp Spicer Transmission Div (USA) |
| 1A5884 | Napco International Llc Dba Napco International Inc (USA) |
| 43014A | Hercules Engine Co Inc (USA) |
NSN 2805-00-271-9550 is a Valve,poppet,engine, manufactured by Trw Inc Trw Intl Trade Government Sales Dept, classified under FSC 2805 (No Item Name Available). Status: cancelled.
NSN 2805-00-271-9550 has 8 cross-referenced part numbers: S-1893 (Trw Inc Trw Intl Trade Government Sales Dept), 40010A (Hoist Liftruck Mfg Inc), E-118 (Gould Inc Industrial Marketing Div), 43014A (Brinkley Technology Group Llc Dba Hercules Manufacturing), 1151 (Napasco International Inc) and 3 more.
There are 4 known substitutes for 2805-00-271-9550: 5355-00-161-0695, 1670-00-529-8712, 6240-00-763-3450 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for S-1893: Carbon Relief Groove: NOT INCLUDED; Seat Angle in Deg: 45.0; Slot Length: 0.3300 INCHES MINIMUM AND 0.3380 INCHES MAXIMUM IN; Metallic Hardness Rating and Location: 37.0 ROCKWELL C NOMINAL TIP. 18 total characteristics are documented in the Federal Logistics Information System.
NSN 2805-00-271-9550 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.