The Piston,sensing Valve, cataloged under National Stock Number 4820-01-145-7752, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Marotta Controls Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-145-7752 |
| Primary Part Number | 280038-21 ITEM 20 |
| Item Name | Piston,sensing Valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Marotta Controls Inc |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 280038-21 ITEM 20 | Marotta Controls Inc (USA) |
| 177273 | Marotta Controls Inc (USA) |
| 283371-0001 | Marotta Controls Inc (USA) |
| 283371-0001ITEM20 | Marotta Controls Inc (USA) |
NSN 4820-01-145-7752 is a Piston,sensing Valve, manufactured by Marotta Controls Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-145-7752 has 4 cross-referenced part numbers: 280038-21 ITEM 20 (Marotta Controls Inc), 177273 (Marotta Controls Inc), 283371-0001 (Marotta Controls Inc), 283371-0001ITEM20 (Marotta Controls Inc).
There are 11 known substitutes for 4820-01-145-7752: 4820-00-984-4959, 5935-01-019-1270, 5360-01-146-1417 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 280038-21 ITEM 20: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS. 2 total characteristics are documented in the Federal Logistics Information System.