The Valve,angle, cataloged under National Stock Number 4820-00-784-4127, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is The Walworth Company. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-784-4127 |
| Primary Part Number | N10507 1/4 INCH |
| Item Name | Valve,angle |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | The Walworth Company |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Nominal Pipe Size Accommodated | 0.250 INCHES ALL ENDS IN |
| Connection Style | STREAMLINED WITH TWO BRAZING RINGS ALL ENDS |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Style Designator | ANGLE |
| Material Document and Classification | QQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | QQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Material Document and Classification | W156,WALWORTH CO MFR REF 1ST MATERIAL RESPONSE OR QQ-N-281,CLASSA FED SPEC 2ND MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Material Document and Classification | W156,WALWORTH CO MFR REF SINGLE MATERIAL RESPONSE STEM |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Features Provided | BONNET PACKING |
| Bonnet Type | INSIDE SCREW |
| Bonnet Attachment Method | THREADED |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Material | COPPER ALLOY BODY |
| Material | COPPER ALLOY STEM |
| Material | COPPER ALLOY SEAT |
| Material | COPPER ALLOY OR NICKEL ALLOY 400 FLOW CONTROL DEVICE |
| 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 |
|---|---|
| N10507 1/4 INCH PRIMARY | The Walworth Company (USA) |
| Reference | Meaning |
|---|---|
| S4824-3122678REVB1-4IN | 5/9 Secondary reference U.S. Government activity |
| S4824-3122678 1/4 INCH | 5/2 Secondary reference U.S. Government activity |
| N10507REVB1-4IN | 5/9 Secondary reference The Walworth Company |
NSN 4820-00-784-4127 is a Valve,angle, manufactured by The Walworth Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-784-4127 has 1 manufacturer part number on file: N10507 1/4 INCH (The Walworth Company).
Key specifications for N10507 1/4 INCH: Flow Control Device: DISK; Nominal Pipe Size Accommodated: 0.250 INCHES ALL ENDS IN; Connection Style: STREAMLINED WITH TWO BRAZING RINGS ALL ENDS; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS. 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.
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.