The Valve,saddle, cataloged under National Stock Number 4820-01-173-4174, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Carrier Corp. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-173-4174 |
| Primary Part Number | 90C01-5762 |
| Item Name | Valve,saddle |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Carrier Corp |
| Status | ACTIVE |
| Flow Control Device | DISKDISK |
| Connection Style | PLAIN (TUBE) ALL ENDS |
| Connection Type | UNTHREADED EXTERNAL TUBE ALL ENDS |
| Style Designator | ANGLE PLAIN STRAP TYPE LINE PIERCING |
| Nominal Outside Diameter Tube Accommodated | 2.125 INCHES ALL ENDS IN |
| Material | IRON CAST BODY |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| 5MH46-189-2 ITEM 51 | Carrier Corp (USA) |
| 90C01-5762 PRIMARY | Carrier Corp (USA) |
| Reference | Meaning |
|---|---|
| 353A-QNC | 5/9 Secondary reference Henry Technologies, Inc. |
NSN 4820-01-173-4174 is a Valve,saddle, manufactured by Carrier Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-173-4174 has 2 manufacturer part numbers on file: 5MH46-189-2 ITEM 51 (Carrier Corp), 90C01-5762 (Carrier Corp).
Key specifications for 90C01-5762: Flow Control Device: DISKDISK; Connection Style: PLAIN (TUBE) ALL ENDS; Connection Type: UNTHREADED EXTERNAL TUBE ALL ENDS; Style Designator: ANGLE PLAIN STRAP TYPE LINE PIERCING. 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.