The Valve,gate, cataloged under National Stock Number 4820-00-287-3952, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Crane Co Div Valve Div. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 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 | 4820-00-287-3952 |
| Primary Part Number | N0. 490 VALVE N.P.S. 1-1/4 IN. |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Crane Co Div Valve Div |
| Status | CANCELLED |
| Material Document and Classification | ASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE DISK |
| Material | COPPER ALLOY 836 SEAT |
| Material Document and Classification | ASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| Material Document and Classification | ASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Nominal Thread Size | 1.250 INCHES IN |
| Maximum Operating Temp and Media for Which Designed | 450.0 FAHRENHEIT STEAM AND 450.0 FAHRENHEIT WATER-OIL-GAS DEGF |
| Material | IRON CAST UNS F12102 BODY |
| Inlet Relationship with Outlet | IDENTICAL |
| Stem Type | RISING |
| Pressure Class | ERR-060 |
| Operating Pressure and Type | 450.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Thread Series Designator | NPT |
| Material Document and Classification | ASTM A-126 CLASS B ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Valve Operation Method | MANUAL |
| Connection Type | THREADED INTERNAL PIPE |
| Bonnet Type | INSIDE SCREW |
| Features Provided | BONNET PACKING |
| Nominal Pipe Size Accommodated | 1.250 INCHES IN |
| Bonnet Attachment Method | U-BOLT |
| Material | COPPER ALLOY 836 DISK |
| Valve Size | 1.250 INCHES IN |
| Material | COPPER ALLOY 836 STEM |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1640-1 1/4 IN | Lunkenheimer Co (USA) |
| N0. 490 VALVE N.P.S. 1-1/4 IN. PRIMARY | Crane Co Div Valve Div (USA) |
| 1640 | Lunkenheimer Co (USA) |
| FIG490 | Crane Co Div Valve Div (USA) |
| 0417 1-1/4 IN | Fairbanks Co the (USA) |
NSN 4820-00-287-3952 is a Valve,gate, manufactured by Crane Co Div Valve Div, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-287-3952 has 5 cross-referenced part numbers: 1640-1 1/4 IN (Lunkenheimer Co), N0. 490 VALVE N.P.S. 1-1/4 IN. (Crane Co Div Valve Div), 1640 (Lunkenheimer Co), FIG490 (Crane Co Div Valve Div), 0417 1-1/4 IN (Fairbanks Co the).
There are 12 known substitutes for 4820-00-287-3952: 5935-00-199-0275, 4820-00-287-3953, 4820-00-287-3954 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for N0. 490 VALVE N.P.S. 1-1/4 IN.: Material Document and Classification: ASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE DISK; Material: COPPER ALLOY 836 SEAT; Material Document and Classification: ASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE SEAT; Material Document and Classification: ASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE STEM. 23 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-287-3952 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.