The Valve,lift-Check, cataloged under National Stock Number 4820-01-446-2631, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Tate Andale, Llc. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-446-2631 |
| Primary Part Number | 54-131F-6INBRZ |
| Item Name | Valve,lift-Check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Tate Andale, Llc |
| Status | ACTIVE |
| Valve Operation Method | MANUAL |
| Material Document and Classification | ASTM B-61 ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| Flange Shape | ROUND ALL ENDS |
| Material | COPPER ALLOY BODY |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Nominal Outside Diameter | 11.000 INCHES ALL ENDS IN |
| Material Document and Classification | ASTM B-61 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Connection Type | FLANGE ALL ENDS |
| Mounting Facility | BRACKET(S) |
| Flange Face Design | PLAIN ALL ENDS |
| Material | COPPER ALLOY SEAT |
| Valve Size | 6.000 INCHES IN |
| Mounting Position | HORIZONTAL |
| Furnished Items and Quantity | 1 HANDWHEEL |
| Media for Which Designed | WASTE PRODUCT SINGLE RESPONSE |
| Material | NICKEL ALLOY K-500 OR NICKEL ALLOY 400 STEM |
| First Connection Face to Centerline Distance | 18.000 INCHES IN |
| Bonnet Type | INSIDE SPRING |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 54-131F-6INBRZ PRIMARY | Tate Andale, Llc (USA) |
| 4-240 | Tate Andale, Llc (USA) |
| 54-131F-6IN | Tate Andale, Llc (USA) |
NSN 4820-01-446-2631 is a Valve,lift-Check, manufactured by Tate Andale, Llc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-446-2631 has 3 cross-referenced part numbers: 54-131F-6INBRZ (Tate Andale, Llc), 4-240 (Tate Andale, Llc), 54-131F-6IN (Tate Andale, Llc).
There are 12 known substitutes for 4820-01-446-2631: 5950-00-065-3274, 4940-00-125-7906, 5975-00-141-0531 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 54-131F-6INBRZ: Valve Operation Method: MANUAL; Special Features: SCUPPER VALVE; Material Document and Classification: ASTM B-61 ASSN STD SINGLE MATERIAL RESPONSE SEAT; Flange Shape: ROUND ALL ENDS. 21 total characteristics are documented in the Federal Logistics Information System.