The Valve,check, cataloged under National Stock Number 4820-01-471-2672, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-471-2672 |
| Primary Part Number | 2594-5L1 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Offset Distance | 2.500 INCHES IN |
| Material | STEEL BODY |
| Valve Operation Method | MANUAL |
| Connection Type | BUTT WELD PIPE ALL ENDS |
| Nominal Pipe Size Accommodated | 2.500 INCHES ALL ENDS IN |
| Material Document and Classification | ASTM A351 CF8 FED SPEC ALL MATERIAL RESPONSES BODY |
| Style Designator | STRAIGHT THRU W/OFFSET |
| Mounting Position | HORIZONTAL |
| Reference Number Differentiating Characteristics | QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| Criticality Code Justification | ZZZY |
| Connection Style | BEVELED (PIPE) ALL ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2594-5L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 2594-5 2.50IN | Flowserve Corporation Div Flowserve Us Inc (USA) |
| 2594-5 2.50INL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 2594-5 | Flowserve Corporation Div Flowserve Us Inc (USA) |
NSN 4820-01-471-2672 is a Valve,check, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-471-2672 has 4 cross-referenced part numbers: 2594-5L1 (Naval Inventory Control Point Mechanicsburg), 2594-5 2.50IN (Flowserve Corporation Div Flowserve Us Inc), 2594-5 2.50INL1 (Naval Inventory Control Point Mechanicsburg), 2594-5 (Flowserve Corporation Div Flowserve Us Inc).
There are 6 known substitutes for 4820-01-471-2672: 5905-00-138-1120, 6150-00-500-3924, 5307-00-682-5770 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2594-5L1: Offset Distance: 2.500 INCHES IN; Material: STEEL BODY; Valve Operation Method: MANUAL; Connection Type: BUTT WELD PIPE ALL ENDS. 13 total characteristics are documented in the Federal Logistics Information System.