The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-109-2443, 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 6 specifications, cited from the U.S. Government catalog. The record lists 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-109-2443 |
| Primary Part Number | 74A450837-2001 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Length | 1.690 INCHES MINIMUM AND 1.700 INCHES MAXIMUM IN |
| Style Designator | LEFT INTERNAL THREAD |
| Diameter | 0.4360 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN |
| Projection.left Chamfer Angle | 45.0 DEGREES NOMINAL |
| Left Projection Chamfer Depth | 0.040 INCHES NOMINAL IN |
| Cross-Sectional Shape | ROUND |
| 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 |
|---|---|
| 74A450837-2001 | Hdi Landing Gear Usa Inc (USA) |
| 74A450837-2001 | A. J. Associates Manufacturing & Engineering Co. Inc. (USA) |
| 74A450837-2001 | Safran Landing Systems Canada Inc. (CAN) |
| 74A450837-2001 | Cm Manufacturing Inc Dba Cm Manufacturing Inc (USA) |
| 74A450837-2001 PRIMARY | The Boeing Company Div Defense (USA) |
| 74A450837-2001 | Nassau Tool Works, Inc (USA) |
| 74A450837-2001 | The Boeing Company Div Services (USA) |
| 74A450837-2001 | Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co (USA) |
| Reference | Meaning |
|---|---|
| 10154120 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A450837-2001 | 5/9 Secondary reference Circor Aerospace, Inc. Dba Circor Aerospace Machining Center |
| 74A450837-2001 | 5/9 Secondary reference Israel Aerospace Industries Ltd. Shl - Aero Assemblies Division |
| 74A450837-2001 | C/1 Advisory reference — outside the item-of-supply concept Goodrich Corporation Div Advanced Structures Landing Systems |
| 74A450837-2001 | C/1 Advisory reference — outside the item-of-supply concept Israel Aerospace Industries Ltd.shl-Aero Assemblies Division |
| 74A450837-2001 | 5/2 Secondary reference U.S. Government activity |
NSN 5340-01-109-2443 is a Standoff,threaded,spacing, manufactured by The Boeing Company Div Defense, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-109-2443 has 8 manufacturer part numbers on file: 74A450837-2001 (Hdi Landing Gear Usa Inc), 74A450837-2001 (A. J. Associates Manufacturing & Engineering Co. Inc.), 74A450837-2001 (Safran Landing Systems Canada Inc.), 74A450837-2001 (Cm Manufacturing Inc Dba Cm Manufacturing Inc), 74A450837-2001 (The Boeing Company Div Defense) and 3 more.
Key specifications for 74A450837-2001: Length: 1.690 INCHES MINIMUM AND 1.700 INCHES MAXIMUM IN; Style Designator: LEFT INTERNAL THREAD; Diameter: 0.4360 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN; Projection.left Chamfer Angle: 45.0 DEGREES NOMINAL. 6 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.