The Nut,self-Locking,plate, cataloged under National Stock Number 5310-00-936-5584, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-936-5584 |
| Primary Part Number | F50387-3 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Plate Thickness | 0.024 INCHES NOMINAL IN |
| Nut Length | 0.940 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNF |
| Precious Material | SILVER |
| Plate Width | 0.416 INCHES MAXIMUM IN |
| Mounting Hole Arrangement Style | 2 HOLES |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Mounting Hole Diameter | 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Distance From Aperture Center to Mounting Hole Center | 0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Center to Center Distance Between Mounting Holes Along Length | 0.686 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN |
| Nut Height | 0.215 INCHES NOMINAL IN |
| Countersink Angle | 85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM NUT |
| Nut Style | PLATE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Nut Mounting Provision | STRAIGHT HOLES |
| 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 |
|---|---|
| 768283 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 768280 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| F50387-3 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| 456949 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 768281 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 768282 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| LHTA521-2860R-02 | C/1 Advisory reference — outside the item-of-supply concept Esna, Llc |
| LHTA521-2860R-02 | 5/9 Secondary reference Harvard Industries Inc |
| T8259C1032C | 5/9 Secondary reference Sps Technologies, Llc Dba Cherry Aerospace Div Div Cherry Aerospace |
| F50387-3 | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Microdot Products |
| NS202172-02 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-936-5584 is a Nut,self-Locking,plate, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-936-5584 has 6 manufacturer part numbers on file: 768283 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 768280 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), F50387-3 (Howmet Global Fastening Systems Inc), 456949 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 768281 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney) and 1 more.
Key specifications for F50387-3: Plate Thickness: 0.024 INCHES NOMINAL IN; Nut Length: 0.940 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNF. 21 specifications are 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.