The Valve,poppet,engine, cataloged under National Stock Number 2805-00-271-9073, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Brinkley Technology Group Llc Dba Hercules Manufacturing. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 2805-00-271-9073 |
| Primary Part Number | 18012A |
| Item Name | Valve,poppet,engine |
| FSC / FSG | 2805 / 28 — No Item Name Available |
| Manufacturer | Brinkley Technology Group Llc Dba Hercules Manufacturing |
| Status | CANCELLED |
| First Groove Width | 0.0600 INCHES MINIMUM AND 0.0640 INCHES MAXIMUM IN |
| Head Style | CONCAVE |
| Stem Length | 5.7500 INCHES NOMINAL IN |
| Distance From First Groove to Stem End | 0.2812 INCHES NOMINAL IN |
| First Groove Diameter | 0.3010 INCHES MINIMUM AND 0.3070 INCHES MAXIMUM IN |
| Chamfer Length | 0.0312 INCHES NOMINAL IN |
| Metallic Hardness Rating and Location | 37.0 ROCKWELL C NOMINAL TIP |
| Material Document and Classification | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 3140 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 3140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| FSC Application Data | GASOLINE ENGINE |
| Carbon Relief Groove | NOT INCLUDED |
| Distance From Second Groove to Stem End | 0.4360 INCHES MINIMUM AND 0.4380 INCHES MAXIMUM IN |
| Material | STEEL COMP 3140 OVERALL |
| Second Groove Diameter | 0.3010 INCHES MINIMUM AND 0.3070 INCHES MAXIMUM IN |
| Chamfer Angle in Deg | 45.0 |
| Outside Diameter | 2.0625 INCHES NOMINAL IN |
| Head Height | 0.1690 INCHES NOMINAL IN |
| Second Groove Width | 0.0600 INCHES MINIMUM AND 0.0640 INCHES MAXIMUM IN |
| Stem Style | DOUBLE GROOVED |
| Seat Angle in Deg | 30.0 |
| Stem Diameter | 0.3720 INCHES MINIMUM AND 0.3730 INCHES MAXIMUM IN |
| Neck Radius | 0.5000 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 2805-00-271-9073 is a Valve,poppet,engine, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 2805 (No Item Name Available). Status: cancelled.
NSN 2805-00-271-9073 has 4 cross-referenced part numbers: 130030 (Celtrac Corp), 18012A (Brinkley Technology Group Llc Dba Hercules Manufacturing), 90209 (Graham Paige Corp), 18012A (Hercules Engine Co Inc).
There are 10 known substitutes for 2805-00-271-9073: 3120-00-074-1559, 2530-00-383-4830, 5330-00-634-8309 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 18012A: First Groove Width: 0.0600 INCHES MINIMUM AND 0.0640 INCHES MAXIMUM IN; Head Style: CONCAVE; Stem Length: 5.7500 INCHES NOMINAL IN; Distance From First Groove to Stem End: 0.2812 INCHES NOMINAL IN. 21 total characteristics are documented in the Federal Logistics Information System.
NSN 2805-00-271-9073 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.