The Stem,fluid Valve, cataloged under National Stock Number 4820-01-153-1557, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Tescom Corp Dba Tescom Div Tescom. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-153-1557 |
| Primary Part Number | 510-51 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Tescom Corp Dba Tescom Div Tescom |
| Status | ACTIVE |
| Largest Outside Diameter | 0.280 INCHES NOMINAL IN |
| Material | NICKEL ALLOY |
| Material Document and Classification | QQ-N-281 CL B FED SPEC SINGLE MATERIAL RESPONSE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-01-153-1557 is a Stem,fluid Valve, manufactured by Tescom Corp Dba Tescom Div Tescom, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-153-1557 has 2 cross-referenced part numbers: 510-51 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), 510-51 (Tescom Corp Dba Tescom Div Tescom).
There are 7 known substitutes for 4820-01-153-1557: 3110-00-120-3093, 5996-00-122-6575, 5340-00-205-5267 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 510-51: Largest Outside Diameter: 0.280 INCHES NOMINAL IN; Material: NICKEL ALLOY; Material Document and Classification: QQ-N-281 CL B FED SPEC SINGLE MATERIAL RESPONSE; Overall Length: 1.075 INCHES NOMINAL IN. 4 total characteristics are documented in the Federal Logistics Information System.