The Valve,gate, cataloged under National Stock Number 4820-00-277-9852, 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 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-277-9852 |
| Primary Part Number | FIG NO NB-0102-E SZ 4 1/2 IN |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | ACTIVE |
| Inlet Relationship with Outlet | IDENTICAL |
| Flange Face Design | PLAIN |
| Stem Type | RISING |
| Connection Type | FLANGE, ROUND W/HOLES |
| Material Document and Classification | MIL-B-1654 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 AND QQ-N-288 ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| Material Document and Classification | QQ-N-281 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Valve Size | 4.500 INCHES IN |
| Features Provided | BONNET PACKING |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Nondefinitive Spec/std Data | 1 TYPE AND 1 CLASS |
| Bolt Hole Quantity | 10 |
| Flange Diameter | 8.188 INCHES IN |
| Bonnet Attachment Method | THREADED |
| Face to Face Distance | 10.000 INCHES IN |
| Pressure Class | ERR-060 |
| Material | COPPER ALLOY 922 DISK |
| Material | COPPER ALLOY 922 BODY |
| Material | NICKEL ALLOY 400 STEM |
| Material | NICKEL ALLOY 400 AND NICKEL ALLOY SEAT |
| 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 |
|---|---|
| FIG NO NB-0102-E SZ 4 1/2 IN PRIMARY | Hunt Valve Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| FIG NO NB-0102-E SZ 4 1/2 IN | 3/9 Design control — primary reference Pima Valve, Llc |
| NB-0102-0450 | C/1 Advisory reference — outside the item-of-supply concept Pima Valve, Llc |
| 1305-4 1/2 | C/1 Advisory reference — outside the item-of-supply concept Safran Electrical & Power Usa, Llc Dba Labinal Power Sysyems Use CAGE Code 81640 for Cataloging |
| MIL-V-1189 | 4/1 Identification reference U.S. Government activity |
| NB01020450/NB-01020450/882049537 | 5/9 Secondary reference Pima Valve, Llc |
NSN 4820-00-277-9852 is a Valve,gate, manufactured by Hunt Valve Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-277-9852 has 1 manufacturer part number on file: FIG NO NB-0102-E SZ 4 1/2 IN (Hunt Valve Company, Inc.).
Key specifications for FIG NO NB-0102-E SZ 4 1/2 IN: Inlet Relationship with Outlet: IDENTICAL; Flange Face Design: PLAIN; Stem Type: RISING; Connection Type: FLANGE, ROUND W/HOLES. 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.