The Valve,check, cataloged under National Stock Number 4820-01-318-4737, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division. Government technical data includes 16 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-318-4737 |
| Primary Part Number | MMB-100-SAGS-85A |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division |
| Status | ACTIVE |
| Flange Shape | ROUND FIRST END |
| Mounting Position | VERTICAL |
| Supplementary Features | FLOW CONTROL DEVICE: SPOOL |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Connection Type | FLANGE FIRST END |
| Connection Type | THREADED INTERNAL TUBE THIRD END |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND THIRD END |
| Nominal Thread Size | 0.125 INCHES SECOND END IN |
| Nominal Thread Size | 1.3125 INCHES THIRD END IN |
| Media for Which Designed | HYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE |
| Thread Class | 3B THIRD END |
| Thread Quantity Per Inch | 12 THIRD END |
| Thread Series Designator | NPTF SECOND END |
| Thread Series Designator | UN THIRD END |
| 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 |
|---|---|
| MMB-100-SAGS-85A PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division (USA) |
| Reference | Meaning |
|---|---|
| MMB-100-SAGS-85A | 5/9 Secondary reference Keystone Hydraulics Ltd |
| MC-RN-20F | 5/9 Secondary reference Bosch Automation Technology |
| MMB-100-SAGS-85 | C/1 Advisory reference — outside the item-of-supply concept Parker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division |
NSN 4820-01-318-4737 is a Valve,check, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-318-4737 has 1 manufacturer part number on file: MMB-100-SAGS-85A (Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division).
Key specifications for MMB-100-SAGS-85A: Flange Shape: ROUND FIRST END; Mounting Position: VERTICAL; Supplementary Features: FLOW CONTROL DEVICE: SPOOL; Connection Type: THREADED INTERNAL PIPE SECOND END. 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.