The Flange,gland,valve, cataloged under National Stock Number 4820-01-429-9622, 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 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-429-9622 |
| Primary Part Number | MB2502E-0400-36 |
| Item Name | Flange,gland,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | ACTIVE |
| Flange Shape | OVAL |
| Material Document and Classification | ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE |
| Bolt Hole Nominal Diameter | 0.500 INCHES IN |
| Valve Size | 4.000 INCHES IN |
| Bolt Hole Quantity | 2 |
| Nominal Center Hole Diameter | 0.892 INCHES IN |
| Valve Type | GATE |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| MB2502E-0400-36 PRIMARY | Hunt Valve Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 2177917 | D/9 Drawing number reference only U.S. Government activity |
| MB2502E-0400-36 | 3/9 Design control — primary reference Pima Valve, Llc |
| 803-2177917 PC 36 | 5/2 Secondary reference U.S. Government activity |
NSN 4820-01-429-9622 is a Flange,gland,valve, manufactured by Hunt Valve Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-429-9622 has 1 manufacturer part number on file: MB2502E-0400-36 (Hunt Valve Company, Inc.).
Key specifications for MB2502E-0400-36: Flange Shape: OVAL; Material Document and Classification: ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE; Bolt Hole Nominal Diameter: 0.500 INCHES IN; Valve Size: 4.000 INCHES IN. 8 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.