The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-01-115-5594, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-115-5594 |
| Primary Part Number | 74A410757-2001 |
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| FSC Application Data | ACFT LANDING GEAR |
| Material Hardness Rating | 57.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM |
| Body Outside Diameter | 1.239 INCHES NOMINAL IN |
| Style Designator | IRREGULAR |
| Material Document and Classification | QQ-S-763, CLASS 440C FED SPEC SINGLE MATERIAL RESPONSE |
| Body Inside Diameter | 0.890 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Material | STEEL COMP 440C |
| End Hole Diameter | 0.810 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | F |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 74A410757-2001 PRIMARY | The Boeing Company Div Defense (USA) |
| 74A410757-2001 | The Boeing Company Div Services (USA) |
| 74A410757-2001 | Israel Aerospace Industries Ltd.shl-Aero Assemblies Division (ISR) |
| 74A410757-2001 | Nassau Tool Works, Inc (USA) |
| 74A410757-2001 | Hdi Landing Gear Usa Inc (USA) |
| Reference | Meaning |
|---|---|
| 74A410757-2001 | 5/9 Secondary reference Goodrich Corp Dba Goodrich Corp |
| 74A410757-2001 | 5/9 Secondary reference Heroux-Devtek Inc |
| 74A410757-2001 | 5/9 Secondary reference Circor Aerospace, Inc. Dba Circor Aerospace Machining Center |
| 74A410757-2001 | 5/2 Secondary reference U.S. Government activity |
| 10105426 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A410757-2001 | 5/9 Secondary reference Goodrich Corporation Div Advanced Structures Landing Systems |
| 74A410757-2001 | 5/9 Secondary reference Israel Aerospace Industries Ltd. Shl - Aero Assemblies Division |
| 74A410757-2001 | 5/9 Secondary reference Metaltronics Inc |
| 74A410757-2001 | 5/9 Secondary reference Safran Landing Systems Canada Inc. |
| 1967B-607 | 5/9 Secondary reference Goodrich Corporation Div Advanced Structures Landing Systems |
| 74A410757-2001 | 5/9 Secondary reference Circor Aerospace, Inc. Div Circor |
NSN 5340-01-115-5594 is a Retainer,helical Compression Spr, manufactured by The Boeing Company Div Defense, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-115-5594 has 5 manufacturer part numbers on file: 74A410757-2001 (The Boeing Company Div Defense), 74A410757-2001 (The Boeing Company Div Services), 74A410757-2001 (Israel Aerospace Industries Ltd.shl-Aero Assemblies Division), 74A410757-2001 (Nassau Tool Works, Inc), 74A410757-2001 (Hdi Landing Gear Usa Inc).
Key specifications for 74A410757-2001: Overall Height: 1.190 INCHES NOMINAL IN; FSC Application Data: ACFT LANDING GEAR; Material Hardness Rating: 57.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM; Body Outside Diameter: 1.239 INCHES NOMINAL IN. 9 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.