The Disk,valve, cataloged under National Stock Number 4820-01-380-6045, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Circor Aerospace, Inc. Dba Circor Aerospace Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-380-6045 |
| Primary Part Number | 31371 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Circor Aerospace, Inc. Dba Circor Aerospace Inc |
| Status | ACTIVE |
| Shank Diameter | 1.062 INCHES NOMINAL IN |
| Material | STEEL COMP 440C |
| Material Document and Classification | QQ-S-763, CLASS 440C, COND A FED SPEC SINGLE MATERIAL RESPONSE |
| Flange Diameter | 1.360 INCHES MINIMUM AND 1.390 INCHES MAXIMUM IN |
| Inside Diameter | 0.924 INCHES NOMINAL IN |
| Flange Seat to Disk End Height | 2.825 INCHES NOMINAL IN |
| Style Designator | POPPET |
| Specification/standard Data | 91816-31371 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| Thread Series Designator | UNS |
| Nominal Thread Size | 1.062 INCHES IN |
| Thread Quantity Per Inch | 12 |
| Thread Class | 3A A |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 31371 PRIMARY | Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA) |
NSN 4820-01-380-6045 is a Disk,valve, manufactured by Circor Aerospace, Inc. Dba Circor Aerospace Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-380-6045 has 1 cross-referenced part number: 31371 (Circor Aerospace, Inc. Dba Circor Aerospace Inc).
There are 8 known substitutes for 4820-01-380-6045: 6610-00-476-1074, 9540-00-596-3006, 5945-00-655-1705 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 31371: Shank Diameter: 1.062 INCHES NOMINAL IN; Material: STEEL COMP 440C; Material Document and Classification: QQ-S-763, CLASS 440C, COND A FED SPEC SINGLE MATERIAL RESPONSE; Flange Diameter: 1.360 INCHES MINIMUM AND 1.390 INCHES MAXIMUM IN. 13 total characteristics are documented in the Federal Logistics Information System.