The Valve,check, cataloged under National Stock Number 4820-01-331-5495, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Primore Sales Inc. Government technical data includes 1 verified specification, 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-331-5495 |
| Primary Part Number | 81443 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Primore Sales Inc |
| Status | ACTIVE |
| Valve Size | 0.375 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 18-045-020 | Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil (USA) |
| 81443 PRIMARY | Primore Sales Inc (USA) |
NSN 4820-01-331-5495 is a Valve,check, manufactured by Primore Sales Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-331-5495 has 2 cross-referenced part numbers: 18-045-020 (Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil), 81443 (Primore Sales Inc).
There are 4 known substitutes for 4820-01-331-5495: 2530-00-236-3275, 6685-00-832-3934, 5995-01-006-9924 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 81443: Valve Size: 0.375 INCHES IN. 1 total characteristics are documented in the Federal Logistics Information System.