The Lock,valve Spring Retainer, cataloged under National Stock Number 2810-00-670-1692, is classified within Federal Supply Class 2810 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Textron Lycoming Inc Williamsport Plant. Government technical data includes 9 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2810-00-670-1692 |
| Primary Part Number | 72050 |
| Item Name | Lock,valve Spring Retainer |
| FSC / FSG | 2810 / 28 — No Item Name Available |
| Manufacturer | Textron Lycoming Inc Williamsport Plant |
| Status | ACTIVE |
| Casehardening Indicator | NOT CASEHARDENED |
| Metallic Hardness Rating | 60.0 NOMINAL ROCKWELL C |
| Largest Inside Diameter | 0.281 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN |
| Material | STEEL COMP E52100 |
| FSC Application Data | ENGINE,AIRCRAFT,RECIPROCATING |
| Material Document and Classification | SAE 52100 ASSN STD SINGLE MATERIAL RESPONSE |
| Style Designator | STRAIGHT BORE-STRAIGHT SIDES W/ROUNDED CORNERS |
| Thread Provision | UNTHREADED |
| Largest Outside Diameter | 0.627 INCHES MINIMUM AND 0.632 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 72050 | Satair A/s (DNK) |
| SL72050 | Superior Air Parts Nz Ltd (NZL) |
| 72050 PRIMARY | Textron Lycoming Inc Williamsport Plant (USA) |
| 2810L23-007 | Us Army Aviation and Missile Command (USA) |
NSN 2810-00-670-1692 is a Lock,valve Spring Retainer, manufactured by Textron Lycoming Inc Williamsport Plant, classified under FSC 2810 (No Item Name Available). Status: active.
NSN 2810-00-670-1692 has 4 cross-referenced part numbers: 72050 (Satair A/s), SL72050 (Superior Air Parts Nz Ltd), 72050 (Textron Lycoming Inc Williamsport Plant), 2810L23-007 (Us Army Aviation and Missile Command).
There are 3 known substitutes for 2810-00-670-1692: 5961-00-191-5363, 5310-00-297-7319, 8465-01-396-9920. Verify interchangeability with system specifications before substitution.
Key specifications for 72050: Casehardening Indicator: NOT CASEHARDENED; Metallic Hardness Rating: 60.0 NOMINAL ROCKWELL C; Largest Inside Diameter: 0.281 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN; Material: STEEL COMP E52100. 10 total characteristics are documented in the Federal Logistics Information System.