The Seat,valve, cataloged under National Stock Number 4820-01-696-3631, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Chase Supply, Inc. Dba Chase Defense Partners. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Seat,valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Chase Supply, Inc. Dba Chase Defense Partners (CAGE 1RZM1); Naval Inventory Control Point Mechanicsburg (CAGE 03950) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-696-3631 |
| Primary Part Number | ERAA34986CP |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Chase Supply, Inc. Dba Chase Defense Partners |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| ERAA34986CP | Chase Supply, Inc. Dba Chase Defense Partners (USA) |
| ERAA34986CP | Naval Inventory Control Point Mechanicsburg (USA) |
| MB-74 FN-101CP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| MB-74 FN-101 | 5/1 Secondary reference Tescom Corp Dba Tescom Div Tescom |
| ERAA34986 | 3/1 Design control — primary reference Tescom Corp Dba Tescom Div Tescom |
NSN 4820-01-696-3631 is a Seat,valve, manufactured by Chase Supply, Inc. Dba Chase Defense Partners, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-696-3631 has 3 manufacturer part numbers on file: ERAA34986CP (Chase Supply, Inc. Dba Chase Defense Partners), ERAA34986CP (Naval Inventory Control Point Mechanicsburg), MB-74 FN-101CP (Naval Inventory Control Point Mechanicsburg).
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.