The Seat,valve, cataloged under National Stock Number 4820-01-178-7022, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-178-7022 |
| Primary Part Number | 101-8061QA |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Body Outside Diameter | 4.000 INCHES NOMINAL IN |
| Body Stepped Inside Diameter | 3.000 INCHES NOMINAL FIRST STEP IN |
| Body Stepped Inside Diameter | 3.700 INCHES NOMINAL SECOND STEP IN |
| Style Designator | PLAIN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL |
| Seat Angle in Deg | 45.000 NOMINAL |
| Seating Surface Shape | ANGULAR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 101-8061QA PRIMARY | Naval Inventory Control Point Mechanicsburg (USA) |
| 101-8061QA PRIMARY | Tyco Fire Products Lp (USA) |
| V-4092 PIECE 4QA | Naval Inventory Control Point Mechanicsburg (USA) |
NSN 4820-01-178-7022 is a Seat,valve, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-178-7022 has 3 manufacturer part numbers on file: 101-8061QA (Naval Inventory Control Point Mechanicsburg), 101-8061QA (Tyco Fire Products Lp), V-4092 PIECE 4QA (Naval Inventory Control Point Mechanicsburg).
Key specifications for 101-8061QA: Overall Height: 0.375 INCHES NOMINAL IN; Body Outside Diameter: 4.000 INCHES NOMINAL IN; Body Stepped Inside Diameter: 3.000 INCHES NOMINAL FIRST STEP IN; Body Stepped Inside Diameter: 3.700 INCHES NOMINAL SECOND STEP IN. 7 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.