The Pin,trunnion, cataloged under National Stock Number 1620-01-203-1843, 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 Legacy Am&m. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1620-01-203-1843 |
| Primary Part Number | L3400391-011 |
| Item Name | Pin,trunnion |
| FSC / FSG | 1620 / 16 — Aircraft Landing Gear Components |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| L3400391-011 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| L3400391-011 | Cm Manufacturing Inc Dba Cm Manufacturing Inc (USA) |
| L3400391-011 | Inland Valley Precision Manufacturing (USA) |
| L3400391-011 | Aero Apmc Inc (USA) |
| L3400391-011 | Marvin Engineering Co, Inc (USA) |
| L3400391-011 | Heroux-Devtek Inc (CAN) |
| L3400391-011 | Alatus Aerosystems Dba F.k.a., Triumph Structures-Los Angeles (USA) |
| L3400391-011 | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| L3400391-011 | 5/9 Secondary reference Schmidgall Packaging Corp |
| L3400391-011 | 5/9 Secondary reference All Tools, Inc. Dba E2 Precision Products |
| L3400391-011 | 5/9 Secondary reference Goodrich Corporation Div Advanced Structures Landing Systems |
| L3400391-011 | 5/9 Secondary reference Riley and Geehr Inc |
NSN 1620-01-203-1843 is a Pin,trunnion, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 1620, Aircraft Landing Gear Components. Status: active.
NSN 1620-01-203-1843 has 8 manufacturer part numbers on file: L3400391-011 (The Boeing Company Div Legacy Am&m), L3400391-011 (Cm Manufacturing Inc Dba Cm Manufacturing Inc), L3400391-011 (Inland Valley Precision Manufacturing), L3400391-011 (Aero Apmc Inc), L3400391-011 (Marvin Engineering Co, Inc) and 3 more.
Key specifications for L3400391-011: Criticality Code Justification: FEAT; Special Features: U/A: PIN, DRAG BRACE-UPPER ATTACH, NOSE LANDING GEAR; U/O ACFT 4 & SUBQ; C/O: PIN(L3400354-003, PLUG(L3400390-011), FITTING(MS15001-1); End Item Identification: B-1B AIRCRAFT. 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 1620-01-203-1843 has DEMIL Code D. 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.