The Valve,check, cataloged under National Stock Number 4820-01-675-1341, 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 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-675-1341 |
| Primary Part Number | 12608130 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Connection Style | GASKET SEAL (TUBE) SECOND END |
| Connection Type | THREADED INTERNAL BOSS FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.8125 INCHES ALL ENDS IN |
| Face to Face Distance | 1.81 INCHES IN |
| Thread Quantity Per Inch | 16 ALL ENDS |
| Material | STEEL BODY |
| Opening Pressure Setting | 125.0 POUNDS PER SQUARE INCH LBS |
| 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 |
|---|---|
| 12608130 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| DTT-500-MSMOMS-125 | 3/2 Design control — primary reference U.S. Government activity |
| 12608130 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
NSN 4820-01-675-1341 is a Valve,check, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-675-1341 has 1 manufacturer part number on file: 12608130 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12608130: Connection Style: GASKET SEAL (TUBE) SECOND END; Connection Type: THREADED INTERNAL BOSS FIRST END; Connection Type: THREADED EXTERNAL BOSS SECOND END; Style Designator: STRAIGHT THRU. 11 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.