The Support,compressor Component,air, cataloged under National Stock Number 2840-01-443-4368, is classified within Federal Supply Class 2840 (Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is New Hampshire Ball Bearings Inc Div Astro Division. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-01-443-4368 |
| Primary Part Number | HTAM4009 |
| Item Name | Support,compressor Component,air |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | New Hampshire Ball Bearings Inc Div Astro Division |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| HTAM4009 PRIMARY | New Hampshire Ball Bearings Inc Div Astro Division (USA) |
| 179173 PRIMARY | Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (USA) |
| Reference | Meaning |
|---|---|
| 5111T69P01 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 2840-01-443-4368 is a Support,compressor Component,air, manufactured by New Hampshire Ball Bearings Inc Div Astro Division, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-01-443-4368 has 2 manufacturer part numbers on file: HTAM4009 (New Hampshire Ball Bearings Inc Div Astro Division), 179173 (Rbc Transport Dynamics Corp Div Rbc Transport Dynamics).
1 possible match (shared part number, not a government interchangeability claim): 7010-01-589-1596. Verify interchangeability with system specifications before substitution.
Key specifications for HTAM4009: Criticality Code Justification: AGAV; End Item Identification: PREPROVISIONING SUPPORT NAVICP IS POE. 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.