The Cap,filler Opening, cataloged under National Stock Number 2930-00-121-0674, is classified within Federal Supply Class 2930 (Engine Cooling System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 8 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2930-00-121-0674 |
| Primary Part Number | 11589341-1 |
| Item Name | Cap,filler Opening |
| FSC / FSG | 2930 / 29 — Engine Cooling System Components, Nonaircraft |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Overall Diameter | 3.600 INCHES NOMINAL IN |
| Style Designator | INSIDE CAM TYPE W/ LUGS |
| Outside Diameter | 2.810 INCHES NOMINAL IN |
| System for Which Designed | PRESSURIZED |
| Pressure Relief Method | AUTOMATIC |
| Maximum Working Pressure | 7.000 POUNDS PER SQUARE INCH (PSI) LBS |
| Material | STEEL OVERALL |
| Sealing Length | 0.545 INCHES MINIMUM AND 0.585 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 11589341-1 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 2930-00-121-0674 is a Cap,filler Opening, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2930, Engine Cooling System Components, Nonaircraft. Status: active.
NSN 2930-00-121-0674 has 1 manufacturer part number on file: 11589341-1 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 11589341-1: Overall Height: 1.025 INCHES NOMINAL IN; Overall Diameter: 3.600 INCHES NOMINAL IN; Style Designator: INSIDE CAM TYPE W/ LUGS; Outside Diameter: 2.810 INCHES NOMINAL IN. 8 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.