The Valve,gate, cataloged under National Stock Number 4820-01-508-8543, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Morrison Brothers Co Dba Morrison Brothers Co. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-508-8543 |
| Primary Part Number | 235RF-0300 AVAC |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Morrison Brothers Co Dba Morrison Brothers Co |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 HANDWHEEL |
| Inlet Relationship with Outlet | IDENTICAL |
| Flange Face Design | PLAIN |
| Overall Diameter | 8.970 INCHES MINIMUM AND 9.030 INCHES MAXIMUM IN |
| Stem Type | RISING |
| Supplementary Features | ANODIZED PER MIL-A-8625, TYPE II, COLOR USMC GREEN NO. 23; EACH FLANGE HAS 12, 0.44 DIAMENTER HOLES THRU, EQUALLY SPACED ON A 8.12 BOLT CIRCLE |
| Connection Type | FLANGE, ROUND W/HOLES |
| Material Document and Classification | MIL-V-58039 MIL SPEC SINGLE MATERIAL RESPONSE DISK |
| Features Provided | BONNET PACKING |
| Bonnet Type | INSIDE SCREW |
| Bolt Hole Quantity | 24 |
| Flange Diameter | 9.000 INCHES IN |
| Bonnet Attachment Method | BOLTED |
| Face to Face Distance | 6.380 INCHES IN |
| Material | ALUMINUM ALLOY DISK |
| 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 |
|---|---|
| 235RF-0300 AVAC PRIMARY | Morrison Brothers Co Dba Morrison Brothers Co (USA) |
| 35551, SIZE 6 | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| B-5984-0 | D/9 Drawing number reference only Morrison Brothers Co Dba Morrison Brothers Co |
| 93016J4102 | 7/2 Vendor item drawing reference Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service |
NSN 4820-01-508-8543 is a Valve,gate, manufactured by Morrison Brothers Co Dba Morrison Brothers Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-508-8543 has 2 manufacturer part numbers on file: 235RF-0300 AVAC (Morrison Brothers Co Dba Morrison Brothers Co), 35551, SIZE 6 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).
Key specifications for 235RF-0300 AVAC: Furnished Items and Quantity: 1 HANDWHEEL; Overall Height: 24.500 INCHES MINIMUM AND 27.000 INCHES MAXIMUM IN; Inlet Relationship with Outlet: IDENTICAL; Flange Face Design: PLAIN. 16 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.