The Nut,adjustment,main Landing Gear, cataloged under National Stock Number 1620-00-320-5379, is classified within Federal Supply Class 1620 (Aircraft Landing Gear Components) of the Aircraft Components and Accessories group. The manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1620-00-320-5379 |
| Primary Part Number | 272-4947246 |
| Item Name | Nut,adjustment,main Landing Gear |
| FSC / FSG | 1620 / 16 — Aircraft Landing Gear Components |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL STEEL,MIL-S-6758,COND F,COMP SAE 4130; FINISH CADMIUM PLATE QQ-P-416; 0.938 IN. LG; OUTSIDE BODY THREADED 3/8 IN. LG,9/16-18 UNF-3A PER SPEC MIL-S-7742; ONE END OD 0.750 IN. WITH REAM OF 0.320 IN. 15/32 IN. DEEP; WIDTH ACROSS HEXAGONAL FLATS 0.500 IN.; INTERNALLY THREADED 5/16-24 NF-3 PER SPEC MIL-S-7742 A |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 272-4947246 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
NSN 1620-00-320-5379 is a Nut,adjustment,main Landing Gear, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 1620, Aircraft Landing Gear Components. Status: active.
NSN 1620-00-320-5379 has 1 manufacturer part number on file: 272-4947246 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for 272-4947246: General Characteristics Item Description: MATERIAL STEEL,MIL-S-6758,COND F,COMP SAE 4130; FINISH CADMIUM PLATE QQ-P-416; 0.938 IN. LG; OUTSIDE BODY THREADED 3/8 IN. LG,9/16-18 UNF-3A PER SPEC MIL-S-7742; ONE END OD 0.750 IN. WITH REAM OF 0.320 IN. 15/32 IN. DEEP; WIDTH ACROSS HEXAGONAL FLATS 0.500 IN.; INTERNALLY THREADED 5/16-24 NF-3 PER SPEC MIL-S-7742 A. 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 1620-00-320-5379 has DEMIL Code B. 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.