The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-01-003-5555, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Parker Hannifin Corporation Div Aerospace Group Headquarters. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-003-5555 |
| Primary Part Number | 649778 |
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 / 53 — No Item Name Available |
| Manufacturer | Parker Hannifin Corporation Div Aerospace Group Headquarters |
| Status | ACTIVE |
| Material | STEEL COMP 410 |
| Surface Treatment | PASSIVATE |
| Style Designator | IRREGULAR |
| Material Document and Classification | AMS 5504 ASSN STD SINGLE MATERIAL RESPONSE |
| Body Outside Diameter | 1.087 INCHES MINIMUM AND 1.100 INCHES MAXIMUM IN |
| Mounting Hole Diameter | 0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN |
| Body Inside Diameter | 1.060 INCHES MINIMUM AND 1.065 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Material Hardness Rating | 35.0 ROCKWELL C MINIMUM |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 649778 | Goodrich Corporation Dba Goodrich Corp (USA) |
| D1E50443620 | Goodrich Corporation Dba Goodrich Corp (USA) |
| 649778 PRIMARY | Parker Hannifin Corporation Div Aerospace Group Headquarters (USA) |
NSN 5340-01-003-5555 is a Retainer,helical Compression Spr, manufactured by Parker Hannifin Corporation Div Aerospace Group Headquarters, classified under FSC 5340 (No Item Name Available). Status: active.
NSN 5340-01-003-5555 has 3 cross-referenced part numbers: 649778 (Goodrich Corporation Dba Goodrich Corp), D1E50443620 (Goodrich Corporation Dba Goodrich Corp), 649778 (Parker Hannifin Corporation Div Aerospace Group Headquarters).
There is 1 known substitute for 5340-01-003-5555: 5325-00-229-1196. Verify interchangeability with system specifications before substitution.
Key specifications for 649778: Material: STEEL COMP 410; Surface Treatment: PASSIVATE; Style Designator: IRREGULAR; Material Document and Classification: AMS 5504 ASSN STD SINGLE MATERIAL RESPONSE. 10 total characteristics are documented in the Federal Logistics Information System.