The Cylinder Assembly,air Starter, cataloged under National Stock Number 2990-01-068-8628, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-068-8628 |
| Primary Part Number | SM450-A3 |
| Item Name | Cylinder Assembly,air Starter |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF 30760 P/N 20BM-210 AIR PORT GASKET 4;30760 P/N 20BM-210 SPRING,GASKET RETAINING 4 |
| 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 |
|---|---|
| SM450-A3 PRIMARY | Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division (USA) |
| Reference | Meaning |
|---|---|
| SM450-A3 | C/1 Advisory reference — outside the item-of-supply concept Ingersoll-Rand Co Power Tool Div |
| SM450-A3 | 5/9 Secondary reference Ingersoll Rand Co |
| SM450A3 | C/1 Advisory reference — outside the item-of-supply concept Ingersoll-Rand Co Tool Group Headquarters |
| SM450-A3 | 5/9 Secondary reference U.S. Government activity |
NSN 2990-01-068-8628 is a Cylinder Assembly,air Starter, manufactured by Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-068-8628 has 1 manufacturer part number on file: SM450-A3 (Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division).
Key specifications for SM450-A3: General Characteristics Item Description: CONSISTS OF 30760 P/N 20BM-210 AIR PORT GASKET 4;30760 P/N 20BM-210 SPRING,GASKET RETAINING 4. 1 specification is 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.