The Block,switch Link,aircraft, cataloged under National Stock Number 1620-01-339-6175, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1620-01-339-6175 |
| Primary Part Number | 4G53102-113A |
| Item Name | Block,switch Link,aircraft |
| FSC / FSG | 1620 / 16 — Aircraft Landing Gear Components |
| Manufacturer | Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co |
| Status | ACTIVE |
| Reference Data and Literature | T.O.4S2-67-4 |
| 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 |
|---|---|
| 4G53102-113A | Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co (USA) |
| 4G53102-113A | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 4G53102-113A | 5/9 Secondary reference Lockheed Martin Services, Llc |
| 4G53102-113A | 3/2 Design control — primary reference U.S. Government activity |
| 4G53102-113A | 5/9 Secondary reference Goodrich Corp Dba Goodrich Corp |
| 4G53102-113A | 5/2 Secondary reference U.S. Government activity |
NSN 1620-01-339-6175 is a Block,switch Link,aircraft, manufactured by Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co, classified under FSC 1620, Aircraft Landing Gear Components. Status: active.
NSN 1620-01-339-6175 has 2 manufacturer part numbers on file: 4G53102-113A (Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co), 4G53102-113A (Goodrich Corporation).
Key specifications for 4G53102-113A: Reference Data and Literature: T.O.4S2-67-4; End Item Identification: C-5 AIRCRAFT,NOSE LANDING GEAR. 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 1620-01-339-6175 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.