The Spacer Half Set, cataloged under National Stock Number 1620-01-163-5409, is classified within Federal Supply Class 1620 (Aircraft Landing Gear Components) of the Aircraft Components and Accessories group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 1620-01-163-5409 |
| Primary Part Number | 74A410870-1001 |
| Item Name | Spacer Half Set |
| FSC / FSG | 1620 / 16 — Aircraft Landing Gear Components |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| General Characteristics Item Description | CRES PER AMS 5629,COMP PH13-8MO; 5.390 IN. MIN,5.395 IN. MAX OD; 4.750 IN. MIN,4.755 IN. MAX ID; 0.230 IN. MIN,0.235 IN. MAX O/A THK IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 74A410870-1001 | Safran Landing Systems Canada Inc. (CAN) |
| 74A410870-1001 | Heroux-Devtek Inc (CAN) |
| 74A410870-1001 | Nassau Tool Works, Inc (USA) |
| 74A410870-1001 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 10153751 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A410870-1001 | 5/9 Secondary reference Israel Aerospace Industries Ltd. Shl - Aero Assemblies Division |
| 74A410870-1001 | C/1 Advisory reference — outside the item-of-supply concept Israel Aerospace Industries Ltd.shl-Aero Assemblies Division |
| 74A410870-1001 | 5/9 Secondary reference Circor Aerospace, Inc. Dba Circor Aerospace Machining Center |
| 74A410870-1001 | 5/9 Secondary reference All Tools, Inc. Dba E2 Precision Products |
| 74A410870-1001 | 5/9 Secondary reference Goodrich Corporation Div Advanced Structures Landing Systems |
NSN 1620-01-163-5409 is a Spacer Half Set, manufactured by The Boeing Company Div Defense, classified under FSC 1620, Aircraft Landing Gear Components. Status: active.
NSN 1620-01-163-5409 has 4 manufacturer part numbers on file: 74A410870-1001 (Safran Landing Systems Canada Inc.), 74A410870-1001 (Heroux-Devtek Inc), 74A410870-1001 (Nassau Tool Works, Inc), 74A410870-1001 (The Boeing Company Div Defense).
Key specifications for 74A410870-1001: General Characteristics Item Description: CRES PER AMS 5629,COMP PH13-8MO; 5.390 IN. MIN,5.395 IN. MAX OD; 4.750 IN. MIN,4.755 IN. MAX ID; 0.230 IN. MIN,0.235 IN. MAX O/A THK IN; End Item Identification: ACFT MODEL F-18. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1620-01-163-5409 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.