The Plunger,air, cataloged under National Stock Number 4921-01-019-8602, is classified within Federal Supply Class 4921 (Torpedo Maintenance, Repair, and Checkout Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. 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. 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 | 4921-01-019-8602 |
| Primary Part Number | 2249820 |
| Item Name | Plunger,air |
| FSC / FSG | 4921 / 49 — Torpedo Maintenance, Repair, and Checkout Specialized Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| General Characteristics Item Description | 0.970 IN. LG,0.217 IN. DIA,PLASTIC 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 |
|---|---|
| 2249820 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 4921-01-019-8602 is a Plunger,air, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4921, Torpedo Maintenance, Repair, and Checkout Specialized Equipment. Status: active.
NSN 4921-01-019-8602 has 1 manufacturer part number on file: 2249820 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 6150-01-559-6689. Verify interchangeability with system specifications before substitution.
Key specifications for 2249820: General Characteristics Item Description: 0.970 IN. LG,0.217 IN. DIA,PLASTIC IN. 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.