The Nut,sheet Spring, cataloged under National Stock Number 5310-01-447-3865, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-447-3865 |
| Primary Part Number | 63A142611 PART 1 |
| Item Name | Nut,sheet Spring |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 63A142611 PART 1 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| PL63E916001G2 ITEM 48 | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| Reference | Meaning |
|---|---|
| 63A142611P1 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5310-01-447-3865 is a Nut,sheet Spring, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-447-3865 has 2 manufacturer part numbers on file: 63A142611 PART 1 (Lockheed Martin Corporation Div Rotary and Mission Systems), PL63E916001G2 ITEM 48 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for 63A142611 PART 1: Special Features: TWO GRIPPING GROOVES ON THE TOP OF THE NUT; FITTED HELICAL COMPRESSION SPRING IS ON THE BOTTOM OF THE NUT. THE LENGTH OF SPRING IS 1.250. DIA OF THE SPRING IS .750; Material: STEEL CORROSION RESISTING OVERALL. 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.
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.