The Retainer, cataloged under National Stock Number 4820-01-056-9640, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems. 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-056-9640 |
| Primary Part Number | 203441 |
| Item Name | Retainer |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY,QQ-A-225/8,ALLOY 6061,T651; ANODIZED,MIL-A-8625,TYPE 2; 2.850 IN. LENGTH; 3.815 IN. MINIMUM,3.825 IN. MAXIMUM OVERALL DIAMETER; 1.250 IN. INSIDE DIAMETER; 1.375 IN. DIAMETER AT SMALL END; 0.204 IN. MIN,0.210 IN. MAX DIA TO 0.090 DIM,REF 8 PLACES EQUALLY SPACED ON A 3.300 IN.DIA B.C. BSC; 0.312 IN. MIN,0.317 IN. MAX DIA REF 1 PLACE ON A 3.300 DIA B.C. BSC,22.5 DEGREE BSC; 0.097 IN. MIN,0.102 IN. MAX DIA REF 1 PLACE,0.110 IN.DEEP ON A 3.300 IN. DIA B.C. BSC IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 203441 PRIMARY | Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems (USA) |
NSN 4820-01-056-9640 is a Retainer, manufactured by Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-056-9640 has 1 cross-referenced part number: 203441 (Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems).
There are 4 known substitutes for 4820-01-056-9640: 5342-00-112-2252, 1660-00-333-0973, 5962-00-350-8424 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 203441: General Characteristics Item Description: ALUMINUM ALLOY,QQ-A-225/8,ALLOY 6061,T651; ANODIZED,MIL-A-8625,TYPE 2; 2.850 IN. LENGTH; 3.815 IN. MINIMUM,3.825 IN. MAXIMUM OVERALL DIAMETER; 1.250 IN. INSIDE DIAMETER; 1.375 IN. DIAMETER AT SMALL END; 0.204 IN. MIN,0.210 IN. MAX DIA TO 0.090 DIM,REF 8 PLACES EQUALLY SPACED ON A 3.300 IN.DIA B.C. BSC; 0.312 IN. MIN,0.317 IN. MAX DIA REF 1 PLACE ON A 3.300 DIA B.C. BSC,22.5 DEGREE BSC; 0.097 IN. MIN,0.102 IN. MAX DIA REF 1 PLACE,0.110 IN.DEEP ON A 3.300 IN. DIA B.C. BSC IN. 1 total characteristics are documented in the Federal Logistics Information System.