The Cap,filler Opening, cataloged under National Stock Number 2930-00-142-0083, 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 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2930-00-142-0083 |
| Primary Part Number | 6226472 |
| 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 |
| FSC Application Data | ENGINE COOLING SYSTEM |
| Accommodation Type | HANDLE END GRIPPING |
| Outside Diameter | 2.750 INCHES NOMINAL IN |
| Cam Quantity | 2 |
| System for Which Designed | PRESSURIZED |
| Surface Treatment | ZINC OVERALL |
| Maximum Working Pressure | 18.000 POUNDS PER SQUARE INCH (PSI) LBS |
| Special Markings | TURN DOWN TIGHT REMOVE SLOWLY |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 6226472 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 850102 | General Motors Corp (USA) |
| Reference | Meaning |
|---|---|
| RC8588 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| 850102 | 3/9 Design control — primary reference General Motors Llc Dba General Motors |
| RC8588 | 5/9 Secondary reference General Motors Llc Dba General Motors |
| RC8588 | 5/9 Secondary reference General Motors Corp |
| 850102 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
NSN 2930-00-142-0083 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 2930-00-142-0083 has 2 manufacturer part numbers on file: 6226472 (U S Army Tank Automotive Command Amsta-Im-Mm), 850102 (General Motors Corp).
4 possible matches (shared part number, not a government interchangeability claim): 6660-01-223-0827, 5330-01-226-4428, 5950-01-311-0524. Verify interchangeability with system specifications before substitution.
Key specifications for 6226472: Overall Height: 1.140 INCHES NOMINAL IN; FSC Application Data: ENGINE COOLING SYSTEM; Accommodation Type: HANDLE END GRIPPING; Outside Diameter: 2.750 INCHES NOMINAL IN. 9 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.