The Valve,gate, cataloged under National Stock Number 4820-01-122-5241, 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 24 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-122-5241 |
| Primary Part Number | FIG NO NB-402-E-SZ 2 IN |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 HANDWHEEL |
| Inlet Relationship with Outlet | IDENTICAL |
| Flange Face Design | PLAIN |
| Stem Type | RISING |
| Connection Type | FLANGE, ROUND W/HOLES |
| Material Document and Classification | MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE DISK |
| Material Document and Classification | QQ-N-281 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | QQ-N-288 ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| Valve Size | 2.000 INCHES IN |
| Features Provided | BONNET PACKING |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Specification/standard Data | 81349-MIL-V-1189 GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | 1 TYPE AND 1 CLASS |
| Bolt Hole Quantity | 7 |
| Flange Diameter | 5.562 INCHES IN |
| Bonnet Attachment Method | BOLTED |
| Face to Face Distance | 5.750 INCHES IN |
| Pressure Class | ERR-060 |
| Material | COPPER ALLOY 922 DISK |
| Material | NICKEL ALLOY SEAT |
| Material | COPPER ALLOY 922 BODY |
| Material | NICKEL ALLOY 400 STEM |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| FIG NO NB-402-E-SZ 2 IN PRIMARY | Hunt Valve Company, Inc. (USA) |
| NB-402-E | Hunt Valve Company, Inc. (USA) |
| NB-402-0200 | Hunt Valve Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| NB-402-0200 | 5/9 Secondary reference Pima Valve, Llc |
| NB-402-E | 5/9 Secondary reference Pima Valve, Llc |
| FIG NO NB-402-E-SZ 2 IN | 3/9 Design control — primary reference Pima Valve, Llc |
| MIL-V-1189 | 4/1 Identification reference U.S. Government activity |
NSN 4820-01-122-5241 is a Valve,gate, manufactured by Hunt Valve Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-122-5241 has 3 manufacturer part numbers on file: FIG NO NB-402-E-SZ 2 IN (Hunt Valve Company, Inc.), NB-402-E (Hunt Valve Company, Inc.), NB-402-0200 (Hunt Valve Company, Inc.).
Key specifications for FIG NO NB-402-E-SZ 2 IN: Furnished Items and Quantity: 1 HANDWHEEL; Inlet Relationship with Outlet: IDENTICAL; Flange Face Design: PLAIN; Stem Type: RISING. 24 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.