The Seal Assembly, cataloged under National Stock Number 1440-00-970-6546, 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 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Seal Assembly |
| FSC / FSG | 1440 — Launchers, Guided Missile (FSG 14) |
| Manufacturers | Shiloh Industries Inc (CAGE 55097); Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (CAGE 10001); Polytech Defense Spares Llc (CAGE 4K539) |
| Parameter | Value |
|---|---|
| NSN | 1440-00-970-6546 |
| Primary Part Number | LD419973ITEM7 |
| 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 |
|---|---|
| LD419973-7 | Shiloh Industries Inc (USA) |
| LD419973ITEM7 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 2121040 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| LD419973-7 | Polytech Defense Spares Llc (USA) |
| Reference | Meaning |
|---|---|
| LD419973 ITEM 7 | 5/9 Secondary reference Shiloh Industries Inc |
| 5330PL0892245 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 1440-00-970-6546 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 1440-00-970-6546 has 4 manufacturer part numbers on file: LD419973-7 (Shiloh Industries Inc), LD419973ITEM7 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 2121040 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), LD419973-7 (Polytech Defense Spares Llc).
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 1440-00-970-6546 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.