The Valve,angle, cataloged under National Stock Number 4820-01-618-5810, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hunt Valve Company, Inc.. Government technical data includes 19 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-618-5810 |
| Primary Part Number | B1421A-5 |
| Item Name | Valve,angle |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Flange Shape | ROUND ALL ENDS |
| Flange Face Design | PLAIN ALL ENDS |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | ANGLE FLANGED ENDS |
| Material Document and Classification | ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material Document and Classification | ASTM B138, ALLOY C675 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Size | 5.0 INCHES IN |
| Bonnet Type | PACKING RETAINING |
| Second Connection Face to Centerline Distance | 6.25 INCHES IN |
| Nominal Outside Diameter | 10.0 INCHES ALL ENDS IN |
| Bonnet Attachment Method | BOLTED |
| First Connection Face to Centerline Distance | 6.25 INCHES IN |
| Material | BRONZE OVERALL |
| Material | COPPER ALLOY STEM |
| Valve Operation Method | MANUAL |
| Nominal Thickness | 0.75 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 |
|---|---|
| B1421A-5 PRIMARY | Hunt Valve Company, Inc. (USA) |
| 6206-001-5 | Hunt Valve Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| B1421A-5 | 3/9 Design control — primary reference Pima Valve, Llc |
| 6206-001-5 | 5/9 Secondary reference Pima Valve, Llc |
NSN 4820-01-618-5810 is a Valve,angle, manufactured by Hunt Valve Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-618-5810 has 2 manufacturer part numbers on file: B1421A-5 (Hunt Valve Company, Inc.), 6206-001-5 (Hunt Valve Company, Inc.).
Key specifications for B1421A-5: Flow Control Device: DISK; Flange Shape: ROUND ALL ENDS; Flange Face Design: PLAIN ALL ENDS; Connection Style: PLAIN (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.