The Spacer,strut, cataloged under National Stock Number 1620-00-807-9993, is classified within Federal Supply Class 1620 (Aircraft Landing Gear Components) of the Aircraft Components and Accessories group. The manufacturer of record is Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1620-00-807-9993 |
| Primary Part Number | 903910-1 |
| Item Name | Spacer,strut |
| FSC / FSG | 1620 / 16 — Aircraft Landing Gear Components |
| Manufacturer | Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co |
| Status | ACTIVE |
| General Characteristics Item Description | MATL ALUMINUM ALLOY; O/A LG 4.536 IN.; W 0.435 IN. 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 |
|---|---|
| 903910-1 | Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co (USA) |
| Reference | Meaning |
|---|---|
| 903910-1 | 5/9 Secondary reference Sturm Machine Co Inc |
| 903910-1 | 5/9 Secondary reference Goodrich Corp Dba Goodrich Corp |
| 903910-1 | 5/9 Secondary reference C and W Engineering and Mfg Co |
| 903910-1 | 3/2 Design control — primary reference U.S. Government activity |
| 903910-1 | 5/9 Secondary reference Westfield Precision Products |
NSN 1620-00-807-9993 is a Spacer,strut, manufactured by Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co, classified under FSC 1620, Aircraft Landing Gear Components. Status: active.
NSN 1620-00-807-9993 has 1 manufacturer part number on file: 903910-1 (Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-252-2634. Verify interchangeability with system specifications before substitution.
Key specifications for 903910-1: General Characteristics Item Description: MATL ALUMINUM ALLOY; O/A LG 4.536 IN.; W 0.435 IN. IN. 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 1620-00-807-9993 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.