The Fairwater,flagstaff, cataloged under National Stock Number 2090-01-537-6392, is classified within Federal Supply Class 2090 (Miscellaneous Ship and Marine Equipment) of the Ship and Marine Equipment group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2090-01-537-6392 |
| Item Name | Fairwater,flagstaff |
| FSC / FSG | 2090 / 20 — Miscellaneous Ship and Marine Equipment |
| Status | ACTIVE |
| Overall Diameter | 1.056 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 600-4645101 ITEM 1 | 5/2 Secondary reference U.S. Government activity |
| 4645101-0001 | 3/2 Design control — primary reference U.S. Government activity |
| 4645101 ITEM 1 | 3/9 Design control — primary reference U.S. Government activity |
| 87531-0702 ITEM 1 | 5/2 Secondary reference U.S. Government activity |
| 4645101 ITEM 1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2090-01-537-6392 is a Fairwater,flagstaff, classified under FSC 2090, Miscellaneous Ship and Marine Equipment. Status: active.
Key specifications for 2090-01-537-6392: Overall Diameter: 1.056 INCHES NOMINAL IN; Overall Length: 56.000 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: FLAGSTAFF; End Item Identification: SSBN TRIDENT CLASS. 2 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.