The Valve,angle, cataloged under National Stock Number 4820-01-007-0537, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is General Electric Co. Government technical data includes 19 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-007-0537 |
| Primary Part Number | 1723M78P01 |
| Item Name | Valve,angle |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | General Electric Co |
| Status | ACTIVE |
| Flow Control Device | NEEDLE |
| Connection Style | PLAIN,OPTIONAL END(PIPE) ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Style Designator | ANGLE |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE STEM |
| Operating Pressure | 10000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Bonnet Type | INSIDE SCREW |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.750 INCHES ALL ENDS IN |
| Maximum Operating Temp | 550.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Bonnet Attachment Method | THREADED |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Material | STEEL SEAT |
| Material | STEEL COMP 416 STEM |
| Material | STEEL FLOW CONTROL DEVICE |
| Material | STEEL COMP 1213 BODY |
| Thread Series Designator | NPT ALL ENDS |
| Valve Operation Method | MANUAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1723M78P01 | General Electric Co (USA) |
| Reference | Meaning |
|---|---|
| N1556 | 5/9 Secondary reference Desco Corp Marsh Bellofram Div |
| 1900FFAAND10050-12 | 3/9 Design control — primary reference Desco Corp Marsh Bellofram Div |
| Z20089G052 | 5/2 Secondary reference U.S. Government activity |
| H20089G001PC51 | 5/9 Secondary reference U.S. Government activity |
| 1900FFA0-75INW1 | C/1 Advisory reference — outside the item-of-supply concept Desco Corp Marsh Bellofram Div |
NSN 4820-01-007-0537 is a Valve,angle, manufactured by General Electric Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-007-0537 has 1 manufacturer part number on file: 1723M78P01 (General Electric Co).
Key specifications for 1723M78P01: Flow Control Device: NEEDLE; Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Style Designator: ANGLE. 19 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.
NSN 4820-01-007-0537 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.