The Pin Assembly, cataloged under National Stock Number 1620-01-156-9236, 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 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1620-01-156-9236 |
| Primary Part Number | 74A411591-1001 |
| Item Name | Pin Assembly |
| FSC / FSG | 1620 / 16 — Aircraft Landing Gear Components |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL PER AMS5629; 3.646 IN. O/A LG; 1.374 IN. OD; 0.624 IN. ID 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 | F |
| Part Number | Manufacturer |
|---|---|
| 74A411591-1001 | Israel Aerospace Industries Ltd.shl-Aero Assemblies Division (ISR) |
| 74A411591-1001 | Nassau Tool Works, Inc (USA) |
| 74A411591-1001 | The Boeing Company Div Services (USA) |
| 74A411591-1001 PRIMARY | The Boeing Company Div Defense (USA) |
| 74A411591-1001 | Hdi Landing Gear Usa Inc (USA) |
| 74A411591-1001 | Safran Landing Systems Canada Inc. (CAN) |
| 74A411591-1001 | Cm Manufacturing Inc Dba Cm Manufacturing Inc (USA) |
| Reference | Meaning |
|---|---|
| 74A411591-1001 | 5/2 Secondary reference U.S. Government activity |
| 10153749 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A411591-1001 | 5/9 Secondary reference Goodrich Corp Dba Goodrich Corp |
| 74A411591-1001 | 5/9 Secondary reference Goodrich Corporation Div Advanced Structures Landing Systems |
| 74A411591-1001 | C/1 Advisory reference — outside the item-of-supply concept Circor Aerospace, Inc. Div Circor |
| 74A411591-1001 | 5/9 Secondary reference Israel Aerospace Industries Ltd. Shl - Aero Assemblies Division |
| 74A411591-1001 | 5/9 Secondary reference Heroux-Devtek Inc |
| 74A411591-1001 | 5/9 Secondary reference Blair Industries Inc |
| 74A411591-1001 | 5/9 Secondary reference All Tools, Inc. Dba E2 Precision Products |
| 74A411591-1001 | 5/9 Secondary reference Circor Aerospace, Inc. Dba Circor Aerospace Machining Center |
NSN 1620-01-156-9236 is a Pin Assembly, manufactured by The Boeing Company Div Defense, classified under FSC 1620, Aircraft Landing Gear Components. Status: active.
NSN 1620-01-156-9236 has 7 manufacturer part numbers on file: 74A411591-1001 (Israel Aerospace Industries Ltd.shl-Aero Assemblies Division), 74A411591-1001 (Nassau Tool Works, Inc), 74A411591-1001 (The Boeing Company Div Services), 74A411591-1001 (The Boeing Company Div Defense), 74A411591-1001 (Hdi Landing Gear Usa Inc) and 2 more.
Key specifications for 74A411591-1001: General Characteristics Item Description: STEEL PER AMS5629; 3.646 IN. O/A LG; 1.374 IN. OD; 0.624 IN. ID IN; End Item Identification: AIRCRAFT 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 1620-01-156-9236 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.