The Seat,valve, cataloged under National Stock Number 4820-01-269-5215, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Ship Systems Command. This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-01-269-5215 |
| Primary Part Number | 2177934-X3XX-18 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | CANCELLED |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2177934-X3XX-18 PRIMARY | Naval Ship Systems Command (USA) |
| 845-2110254 PC 20 | Naval Sea Systems Command (USA) |
| 2620-902X10 PC 20 1/2IN | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 2620-902X10ASSYRCCPC200.50N | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 2110254 PIECE 20 1/2IN | Naval Ship Systems Command (USA) |
| 803-2177934-X3XX-18 | Naval Ship Systems Command (USA) |
NSN 4820-01-269-5215 is a Seat,valve, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-01-269-5215 has 6 cross-referenced part numbers: 2177934-X3XX-18 (Naval Ship Systems Command), 845-2110254 PC 20 (Naval Sea Systems Command), 2620-902X10 PC 20 1/2IN (Electric Boat Corporation Div General Dynamics Electric Boat), 2620-902X10ASSYRCCPC200.50N (Electric Boat Corporation Div General Dynamics Electric Boat), 2110254 PIECE 20 1/2IN (Naval Ship Systems Command) and 1 more.
There are 3 known substitutes for 4820-01-269-5215: 4820-01-073-5849, 4820-01-114-1400, 4820-01-699-5555. Verify interchangeability with system specifications before substitution.
Key specifications for 2177934-X3XX-18: End Item Identification: VALVE GLOBE .5IN; VALVE GLB .50IPS 700PSI SWLDG BRZ; VALVE GLB .50IPS 700SWLDG NCA; VALVE ANL .50IPS 1000PSI SWLDG COPNI; VALVE ANL .50IPS 700PSI SIL-BRAZ CU-NI; VALVE GLB .50IPS 700PSI SB COPNI IN. 1 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-01-269-5215 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.