The Pin,locking, cataloged under National Stock Number 4470-00-321-8890, is classified within Federal Supply Class 4470 (No Item Name Available) of the Furnace, Steam, Drying, Nuclear Reactors group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4470-00-321-8890 |
| Primary Part Number | 820-2177504-37 |
| Item Name | Pin,locking |
| FSC / FSG | 4470 / 44 — No Item Name Available |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 820-2177504-37 | Naval Sea Systems Command (USA) |
| 62D000-77 | Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division (USA) |
| 820-4384545-1 | Naval Ship Systems Command (USA) |
| 820-4551728-49 | Naval Sea Systems Command (USA) |
| 62F-000-83 | Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division (USA) |
| 820-4384545-1 | Naval Sea Systems Command (USA) |
| 820-4384545 | Naval Sea Systems Command (USA) |
NSN 4470-00-321-8890 is a Pin,locking, manufactured by Naval Sea Systems Command, classified under FSC 4470 (No Item Name Available). Status: active.
NSN 4470-00-321-8890 has 7 cross-referenced part numbers: 820-2177504-37 (Naval Sea Systems Command), 62D000-77 (Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division), 820-4384545-1 (Naval Ship Systems Command), 820-4551728-49 (Naval Sea Systems Command), 62F-000-83 (Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division) and 2 more.
There is 1 known substitute for 4470-00-321-8890: 4470-00-079-2006. Verify interchangeability with system specifications before substitution.
Key specifications for 820-2177504-37: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.. 2 total characteristics are documented in the Federal Logistics Information System.