The Valve,safety Relief, cataloged under National Stock Number 4820-00-090-9885, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 12 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 14 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-090-9885 |
| Primary Part Number | 569-2100-1190972REV2ITEM2 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.750 INCHES ALL ENDS IN |
| Material | STEEL OVERALL |
| Thread Series Designator | NPT ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| 569-2100-1190972REV2ITEM2 PRIMARY | Naval Sea Systems Command (USA) |
| 409780-1 PRIMARY | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| 563-2100-982516ALT5ITEM34 PRIMARY | Naval Sea Systems Command (USA) |
| 409780REVGPC409780 | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| 4824C3113752REVGPC409780 PRIMARY | Naval Sea Systems Command (USA) |
| 569-2100-1190972PC2 PRIMARY | Naval Sea Systems Command (USA) |
| P2380REVGPC3113752 PRIMARY | L3 Technologies, Inc. Div L3 Keo (USA) |
| 563-2100-982516ALT5ITEM46 PRIMARY | Naval Sea Systems Command (USA) |
| 569-2200-1190782ALTAPCV7 PRIMARY | Naval Sea Systems Command (USA) |
| 563-2100-982505ALT7ITEM59 PRIMARY | Naval Sea Systems Command (USA) |
| 563-2100-982516ALT5ITEM52 PRIMARY | Naval Sea Systems Command (USA) |
| 563-2100-982505-LT7ITEM55 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 563-2100-982505ALT7ITEM59 | 5/9 Secondary reference U.S. Government activity |
| 563-2100-982516ALT5ITEM40 | 3/2 Design control — primary reference U.S. Government activity |
| 2409-1009380REVGPC3113752 | 3/2 Design control — primary reference U.S. Government activity |
| 569-2100-1190972REV2ITEM2 | 5/9 Secondary reference U.S. Government activity |
| 563-2100-982516ALT5ITEM34 | 5/9 Secondary reference U.S. Government activity |
| 569-2100-1190735ALTAPCV6 | 3/2 Design control — primary reference U.S. Government activity |
| 569-2100-1190972PC2 | 5/9 Secondary reference U.S. Government activity |
| 409780-1 | 5/9 Secondary reference Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div |
| 409780REVGPC409780 | 5/9 Secondary reference Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div |
| 563-2100-982505ALT7ITEM55 | 5/9 Secondary reference U.S. Government activity |
| 563-2100-982516ALT5ITEM46 | 5/9 Secondary reference U.S. Government activity |
| 563-2100-982516ALT5ITEM52 | 5/9 Secondary reference U.S. Government activity |
| 4824C3113752REVGPC409780 | 5/9 Secondary reference U.S. Government activity |
| 569-2200-1190782ALTAPCV7 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-00-090-9885 is a Valve,safety Relief, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-090-9885 has 12 manufacturer part numbers on file: 569-2100-1190972REV2ITEM2 (Naval Sea Systems Command), 409780-1 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)), 563-2100-982516ALT5ITEM34 (Naval Sea Systems Command), 409780REVGPC409780 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)), 4824C3113752REVGPC409780 (Naval Sea Systems Command) and 7 more.
Key specifications for 569-2100-1190972REV2ITEM2: Flow Control Device: DISK; Connection Style: PLAIN (PIPE) ALL ENDS; Thread Direction: RIGHT-HAND ALL ENDS; Nominal Thread Size: 0.750 INCHES ALL ENDS IN. 7 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.