The Nut,stem,retaining Backup Valve, cataloged under National Stock Number 5310-01-716-1866, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Item Name | Nut,stem,retaining Backup Valve |
| FSC / FSG | 5310 — No Item Name Available (FSG 53) |
| Manufacturers | Naval Inventory Control Point Mechanicsburg (CAGE 03950); Naval Sea Systems Command (CAGE 53711); Electric Boat Corporation Div General Dynamics Electric Boat (CAGE 96169) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-716-1866 |
| Primary Part Number | 2644-859-10-ITEM NO-21L1 |
| Item Name | Nut,stem,retaining Backup Valve |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2644-859-10-ITEM NO-21L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 845-8617202-ITEM NO-21 | Naval Sea Systems Command (USA) |
| 2644-859-10-ITEM NO-21 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 8617202 | Naval Sea Systems Command (USA) |
| 845-8617202-ITEM NO-21L1 | Naval Inventory Control Point Mechanicsburg (USA) |
NSN 5310-01-716-1866 is a Nut,stem,retaining Backup Valve, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-01-716-1866 has 5 cross-referenced part numbers: 2644-859-10-ITEM NO-21L1 (Naval Inventory Control Point Mechanicsburg), 845-8617202-ITEM NO-21 (Naval Sea Systems Command), 2644-859-10-ITEM NO-21 (Electric Boat Corporation Div General Dynamics Electric Boat), 8617202 (Naval Sea Systems Command), 845-8617202-ITEM NO-21L1 (Naval Inventory Control Point Mechanicsburg).
There are 12 known substitutes for 5310-01-716-1866: 5310-01-715-9299, 5330-01-716-1002, 4820-01-716-1003 and 9 more. Verify interchangeability with system specifications before substitution.