The Piston Assembly,air, cataloged under National Stock Number 2990-01-441-0852, 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. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-441-0852 |
| Primary Part Number | 150BMP-703 |
| Item Name | Piston Assembly,air |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Ingersoll-Rand Company Dba Ingersoll-Rand |
| Status | ACTIVE |
| General Characteristics Item Description | PISTON ASSEMBLY,AIR STARTER |
| 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 |
|---|---|
| 150BMP-703 PRIMARY | Ingersoll-Rand Company Dba Ingersoll-Rand (USA) |
| 150BMP-703 | A P O Holdings Inc (USA) |
| Reference | Meaning |
|---|---|
| 150BMP-703 | C/1 Advisory reference — outside the item-of-supply concept Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division |
| 150BMP-703 | 5/9 Secondary reference Ingersoll Rand Co |
NSN 2990-01-441-0852 is a Piston Assembly,air, manufactured by Ingersoll-Rand Company Dba Ingersoll-Rand, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-441-0852 has 2 manufacturer part numbers on file: 150BMP-703 (Ingersoll-Rand Company Dba Ingersoll-Rand), 150BMP-703 (A P O Holdings Inc).
Key specifications for 150BMP-703: General Characteristics Item Description: PISTON ASSEMBLY,AIR STARTER; End Item Identification: USNS STAWART CLASS; LOGISTICS SUPPORT VESSEL. 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.