The Guide,helical Compression Spring, cataloged under National Stock Number 4820-01-227-4961, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Aerospace Llc Dba Eaton Aerospace Jackson. Government technical data includes 1 verified specification, 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-227-4961 |
| Primary Part Number | 42557 |
| Item Name | Guide,helical Compression Spring |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Eaton Aerospace Llc Dba Eaton Aerospace Jackson |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY 2024-T851; ANODIZE; 0.835 IN. DIA; 1.076 IN. LG; USED ON 4820-01-182-9737 IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 42557 PRIMARY | Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA) |
NSN 4820-01-227-4961 is a Guide,helical Compression Spring, manufactured by Eaton Aerospace Llc Dba Eaton Aerospace Jackson, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-227-4961 has 1 cross-referenced part number: 42557 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson).
There are 3 known substitutes for 4820-01-227-4961: 4920-00-838-6315, 5340-00-975-7132, 5950-01-256-0221. Verify interchangeability with system specifications before substitution.
Key specifications for 42557: End Item Identification: B-1B; General Characteristics Item Description: ALUMINUM ALLOY 2024-T851; ANODIZE; 0.835 IN. DIA; 1.076 IN. LG; USED ON 4820-01-182-9737 IN. 2 total characteristics are documented in the Federal Logistics Information System.