The Valve,needle, cataloged under National Stock Number 4820-01-142-8934, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Grove Valve Operations. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, 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 | 4820-01-142-8934 |
| Primary Part Number | 20521-1 |
| Item Name | Valve,needle |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Grove Valve Operations |
| Status | ACTIVE |
| Reference Number Differentiating Characteristics | QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| Criticality Code Justification | ZZZY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 20521-1 | Grove Valve Operations (USA) |
| W-402F-T1142-1 ITEM 1L | Grove Valve Operations (USA) |
| 20521-1L1 | Regent Sports Corp (USA) |
| W-402F-T1142-1 ITEM 1L1 | Naval Inventory Control Point Mechanicsburg (USA) |
NSN 4820-01-142-8934 is a Valve,needle, manufactured by Grove Valve Operations, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-142-8934 has 4 cross-referenced part numbers: 20521-1 (Grove Valve Operations), W-402F-T1142-1 ITEM 1L (Grove Valve Operations), 20521-1L1 (Regent Sports Corp), W-402F-T1142-1 ITEM 1L1 (Naval Inventory Control Point Mechanicsburg).
There are 8 known substitutes for 4820-01-142-8934: 4310-00-574-1900, 4820-00-590-9162, 5998-00-739-2828 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 20521-1: Reference Number Differentiating Characteristics: QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS; Criticality Code Justification: ZZZY. 2 total characteristics are documented in the Federal Logistics Information System.