The Valve,gate, cataloged under National Stock Number 4820-00-137-1728, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Raytheon Company Div Rmd Strategic. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-137-1728 |
| Primary Part Number | 721905-16 |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Raytheon Company Div Rmd Strategic |
| Status | ACTIVE |
| Inlet Relationship with Outlet | IDENTICAL |
| Stem Type | NONRISING |
| Material Document and Classification | ASTM B134, ALLOY C23000 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B99, ALLOY C6510 H04 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | ASTM B584, ALLOY C84400 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Valve Size | 1.125 INCHES IN |
| Features Provided | BONNET PACKING |
| Bonnet Type | INSIDE SCREW |
| Nominal Thread Size | 1.250 INCHES IN |
| Bonnet Attachment Method | BOLTED |
| Material | COPPER ALLOY BODY |
| Material | COPPER ALLOY STEM |
| Material | COPPER ALLOY SEAT |
| Material | RUBBER DISK |
| Thread Series Designator | NPT |
| 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 |
|---|---|
| 721905-16 PRIMARY | Raytheon Company Div Rmd Strategic (USA) |
| Reference | Meaning |
|---|---|
| T22-1 1-4 | 5/9 Secondary reference Nibco Inc |
NSN 4820-00-137-1728 is a Valve,gate, manufactured by Raytheon Company Div Rmd Strategic, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-137-1728 has 1 manufacturer part number on file: 721905-16 (Raytheon Company Div Rmd Strategic).
Key specifications for 721905-16: Inlet Relationship with Outlet: IDENTICAL; Stem Type: NONRISING; Material Document and Classification: ASTM B134, ALLOY C23000 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B99, ALLOY C6510 H04 ASSN STD SINGLE MATERIAL RESPONSE STEM; Material Document and Classification: ASTM B584, ALLOY C84400 ASSN STD SINGLE MATERIAL RESPONSE BODY. 15 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.