The Seal Assembly, cataloged under National Stock Number 1440-00-830-6853, is classified within Federal Supply Class 1440 (Launchers, Guided Missile) of the Guided Missiles group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. The record lists 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Seal Assembly |
| FSC / FSG | 1440 — Launchers, Guided Missile (FSG 14) |
| Manufacturers | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (CAGE 10001); Doral, Inc Dba J & F Engineering (CAGE 28554); Polytech Defense Spares Llc (CAGE 4K539); Bae Systems Land & Armaments L.p. (CAGE 44114) |
| Parameter | Value |
|---|---|
| NSN | 1440-00-830-6853 |
| Primary Part Number | 2121911PC25 |
| Item Name | Seal Assembly |
| FSC / FSG | 1440 / 14 — Launchers, Guided Missile |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| LD419921ITEM25 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 2121911PC25 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 2121911PC25 | Doral, Inc Dba J & F Engineering (USA) |
| 2121911PC25 | Polytech Defense Spares Llc (USA) |
| 2147405 | Polytech Defense Spares Llc (USA) |
| LD419921-0025 | Bae Systems Land & Armaments L.p. (USA) |
| 2121911-25 | Doral, Inc Dba J & F Engineering (USA) |
| Reference | Meaning |
|---|---|
| 2147405 | 5/9 Secondary reference J May Associates Inc |
NSN 1440-00-830-6853 is a Seal Assembly, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 1440, Launchers, Guided Missile. Status: active.
NSN 1440-00-830-6853 has 7 manufacturer part numbers on file: LD419921ITEM25 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 2121911PC25 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 2121911PC25 (Doral, Inc Dba J & F Engineering), 2121911PC25 (Polytech Defense Spares Llc), 2147405 (Polytech Defense Spares Llc) and 2 more.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1440-00-830-6853 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.