The Valve,angle, cataloged under National Stock Number 4820-01-199-4466, 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 22 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-199-4466 |
| Primary Part Number | N11264-5IN ANLFLGE |
| Item Name | Valve,angle |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | The Walworth Company |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Flange Face Design | RAISED STRAIGHT ALL ENDS |
| Bolt Circle Nominal Diameter | 8.500 INCHES ALL ENDS IN |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | ANGLE FLANGED ENDS |
| Bolt Hole Nominal Diameter | 0.875 INCHES ALL ENDS IN |
| Valve Size | 5.000 INCHES IN |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Second Connection Face to Centerline Distance | 14.000 INCHES IN |
| Nominal Outside Diameter | 10.000 INCHES ALL ENDS IN |
| Bolt Hole Quantity | 8 ALL ENDS |
| Bonnet Attachment Method | BOLTED |
| First Connection Face to Centerline Distance | 14.000 INCHES IN |
| Material | STEEL BODY |
| Material | STEEL FLOW CONTROL DEVICE |
| Material | NICKEL ALLOY SEAT |
| Material | STEEL COMP 420 STEM |
| Raised Face Nominal Diameter | 7.312 INCHES ALL ENDS IN |
| Valve Operation Method | MANUAL |
| Raised Face Nominal Height | 0.062 INCHES ALL ENDS IN |
| Nominal Thickness | 0.938 INCHES ALL ENDS IN |
| 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 |
|---|---|
| N11264-5IN ANLFLGE PRIMARY | The Walworth Company (USA) |
| Reference | Meaning |
|---|---|
| 2620-922X2 | D/9 Drawing number reference only U.S. Government activity |
| 1889553 | D/9 Drawing number reference only Naval Sea Systems Command |
| 1889553-5INANLFLGE | 5/9 Secondary reference Naval Sea Systems Command |
| 2620-922X2-5INANLFLGE | 5/9 Secondary reference U.S. Government activity |
| 1889553 | 5/2 Secondary reference U.S. Government activity |
NSN 4820-01-199-4466 is a Valve,angle, manufactured by The Walworth Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-199-4466 has 1 manufacturer part number on file: N11264-5IN ANLFLGE (The Walworth Company).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-204-8418, 4820-01-209-4588. Verify interchangeability with system specifications before substitution.
Key specifications for N11264-5IN ANLFLGE: Flow Control Device: DISK; Flange Shape: ROUND WITH HOLES ALL ENDS; Flange Face Design: RAISED STRAIGHT ALL ENDS; Bolt Circle Nominal Diameter: 8.500 INCHES ALL ENDS IN. 22 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.