The Valve,check, cataloged under National Stock Number 4820-00-986-6979, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 4820-00-986-6979 |
| Primary Part Number | 10922198-1 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Flange Shape | RECTANGULAR WITH HOLES FIRST END |
| Renewable Seat Ring Type | PRESSED-IN |
| Flange Face Design | PLAIN FIRST END |
| Nominal Length | 4.437 INCHES FIRST END IN |
| Mounting Position | HORIZONTAL |
| Supplementary Features | FLOW CONTROL DEVICE: PLUG |
| Connection Type | FLANGE SECOND END |
| Connection Type | FLANGE FIRST END |
| Operating Pressure | 2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Maximum Operating Temp | 170.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Center to Center Nominal Distance Between Bolt Holes Along Width | 3.187 INCHES FIRST END IN |
| Nominal Width | 3.812 INCHES ALL ENDS IN |
| Center to Center Nominal Distance Between Bolt Holes Along Length | 2.562 INCHES FIRST END IN |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Material | RUBBER SYNTHETIC SEAT |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| 10922198-1 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 48209866979 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 4820009866979 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 4820-00-986-6979 is a Valve,check, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-986-6979 has 1 manufacturer part number on file: 10922198-1 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 10922198-1: Flange Shape: RECTANGULAR WITH HOLES FIRST END; Renewable Seat Ring Type: PRESSED-IN; Flange Face Design: PLAIN FIRST END; Nominal Length: 4.437 INCHES FIRST END IN. 16 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.