The Ring,locking, cataloged under National Stock Number 4820-01-177-3958, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Greno Industries, Inc. Dba Greno Industries Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-177-3958 |
| Primary Part Number | 6663 |
| Item Name | Ring,locking |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Greno Industries, Inc. Dba Greno Industries Inc |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-01-177-3958 is a Ring,locking, manufactured by Greno Industries, Inc. Dba Greno Industries Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-177-3958 has 2 cross-referenced part numbers: 600D17 (Greno Industries, Inc. Dba Greno Industries Inc), 6663 (Greno Industries, Inc. Dba Greno Industries Inc).
There are 9 known substitutes for 4820-01-177-3958: 5210-00-277-1621, 6125-00-407-1140, 4720-00-857-1735 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 6663: General Characteristics Item Description: STEEL. 1 total characteristics are documented in the Federal Logistics Information System.