The Valve,gate, cataloged under National Stock Number 4820-00-959-5089, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Stockham Valves and Fittings Inc. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-959-5089 |
| Primary Part Number | FIG B-109 SZ 1 IN |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Stockham Valves and Fittings Inc |
| Status | CANCELLED |
| Material | COPPER ALLOY 836 DISK |
| Bonnet Attachment Method | THREADED |
| Features Provided | BONNET PACKING |
| Bonnet Type | INSIDE SCREW |
| Pressure Class | ERR-060 |
| Operating Pressure and Type | 15.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Material | COPPER ALLOY 836 BODY |
| Nominal Outside Diameter Tube Accommodated | 1.125 INCHES IN |
| Inlet Relationship with Outlet | IDENTICAL |
| Material Document and Classification | ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Maximum Operating Temp and Media for Which Designed | 200.0 FAHRENHEIT STEAM DEGF |
| Connection Type | SOLDER, TUBE |
| Material | COPPER ALLOY 694 STEM |
| Stem Type | RISING |
| Valve Operation Method | MANUAL |
| Valve Size | 1.000 INCHES IN |
| Material Document and Classification | ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE DISK |
| Material | COPPER ALLOY SEAT |
| Material Document and Classification | ASTM B371 ALLOY694 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MSS SP-80 | Manufacturers Standardization Society of the Valve and Fittings Industry Inc (USA) |
| 7200421P4 | Lockheed Martin Corporation Div Rms (USA) |
| 430 | Kennecott Corp Chase Extrusions Div (USA) |
| WWV54 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 7200421P004 | Lockheed Martin Corporation Div Rms (USA) |
| 756 | Nibco Inc (USA) |
| 7200421PT4 | Lockheed Martin Corporation Div Rms (USA) |
| FIG B-109 SZ 1 IN PRIMARY | Stockham Valves and Fittings Inc (USA) |
| B109 | Stockham Valves and Fittings Inc (USA) |
NSN 4820-00-959-5089 is a Valve,gate, manufactured by Stockham Valves and Fittings Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-959-5089 has 9 cross-referenced part numbers: MSS SP-80 (Manufacturers Standardization Society of the Valve and Fittings Industry Inc), 7200421P4 (Lockheed Martin Corporation Div Rms), 430 (Kennecott Corp Chase Extrusions Div), WWV54 (Federal Specifications Promulgated by General Services Administration Washington DC), 7200421P004 (Lockheed Martin Corporation Div Rms) and 4 more.
There are 12 known substitutes for 4820-00-959-5089: 5940-00-156-7430, 4820-00-203-3670, 3040-00-275-7022 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for FIG B-109 SZ 1 IN: Material: COPPER ALLOY 836 DISK; Bonnet Attachment Method: THREADED; Features Provided: BONNET PACKING; Bonnet Type: INSIDE SCREW. 19 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-959-5089 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.