The Rod Seal,u Cup, cataloged under National Stock Number 1020-01-032-2111, is classified within Federal Supply Class 1020 (Guns, Over 125mm Through 150mm) of the Weapons group. The manufacturer of record is Gallagher Fluid Seals Incorporated Div Gallagher Fluid Seals, Inc.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Rod Seal,u Cup |
| FSC / FSG | 1020 — Guns, Over 125mm Through 150mm (FSG 10) |
| Manufacturers | Gallagher Fluid Seals Incorporated Div Gallagher Fluid Seals, Inc. (CAGE 5E880); North Coast Seal Inc (CAGE 0CYR1) |
| Parameter | Value |
|---|---|
| NSN | 1020-01-032-2111 |
| Primary Part Number | 2637512PC165 |
| Item Name | Rod Seal,u Cup |
| FSC / FSG | 1020 / 10 — Guns, Over 125mm Through 150mm |
| Manufacturer | Gallagher Fluid Seals Incorporated Div Gallagher Fluid Seals, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 2637512PC165 | Gallagher Fluid Seals Incorporated Div Gallagher Fluid Seals, Inc. (USA) |
| 2637512PC165 | North Coast Seal Inc (USA) |
| Reference | Meaning |
|---|---|
| 2637512PC165 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 2637512PC165 | 3/9 Design control — primary reference Freudenberg-Nok General Partnership |
| 2637512 | D/9 Drawing number reference only Naval Sea Systems Command |
| 2637512PC165 | 5/9 Secondary reference Naval Sea Systems Command |
NSN 1020-01-032-2111 is a Rod Seal,u Cup, manufactured by Gallagher Fluid Seals Incorporated Div Gallagher Fluid Seals, Inc., classified under FSC 1020, Guns, Over 125mm Through 150mm. Status: active.
NSN 1020-01-032-2111 has 2 manufacturer part numbers on file: 2637512PC165 (Gallagher Fluid Seals Incorporated Div Gallagher Fluid Seals, Inc.), 2637512PC165 (North Coast Seal Inc).
1 possible match (shared part number, not a government interchangeability claim): 4510-01-645-3558. Verify interchangeability with system specifications before substitution.
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.