The Window,marine, cataloged under National Stock Number 2090-01-491-2176, is classified within Federal Supply Class 2090 (Miscellaneous Ship and Marine Equipment) of the Ship and Marine Equipment group. The manufacturer of record is Cornell-Carr Co., Inc.. Government technical data includes 5 specifications, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 2090-01-491-2176 |
| Primary Part Number | KS-28980-CC |
| Item Name | Window,marine |
| FSC / FSG | 2090 / 20 — Miscellaneous Ship and Marine Equipment |
| Manufacturer | Cornell-Carr Co., Inc. |
| Status | ACTIVE |
| Frame Outside Width | 21.125 INCHES NOMINAL IN |
| Frame Outside Length | 31.125 INCHES NOMINAL IN |
| Frame Type | PLAIN |
| Accessory Components and Quantity | CONTROLLERHEAT |
| Frame Shape | RECTANGULAR |
| 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 |
|---|---|
| KS-28980-CC PRIMARY | Cornell-Carr Co., Inc. (USA) |
| Reference | Meaning |
|---|---|
| KS-28980 | 5/9 Secondary reference U.S. Government activity |
| 28980 | D/9 Drawing number reference only U.S. Government activity |
| KS-28980 | 5/9 Secondary reference Cornell-Carr Co., Inc. |
NSN 2090-01-491-2176 is a Window,marine, manufactured by Cornell-Carr Co., Inc., classified under FSC 2090, Miscellaneous Ship and Marine Equipment. Status: active.
NSN 2090-01-491-2176 has 1 manufacturer part number on file: KS-28980-CC (Cornell-Carr Co., Inc.).
1 possible match (shared part number, not a government interchangeability claim): 2090-01-491-8049. Verify interchangeability with system specifications before substitution.
Key specifications for KS-28980-CC: Frame Outside Width: 21.125 INCHES NOMINAL IN; Frame Outside Length: 31.125 INCHES NOMINAL IN; Frame Type: PLAIN; Accessory Components and Quantity: CONTROLLERHEAT. 5 specifications are 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.