The Nut,self-Locking,plate, cataloged under National Stock Number 5310-01-268-3882, 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 29 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-268-3882 |
| Primary Part Number | F19359-4 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Plate Thickness | 0.020 INCHES NOMINAL IN |
| Nut Length | 1.260 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE SHELL A |
| Surface Treatment Document and Classification | AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE NUT |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BASE |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Plate Width | 0.658 INCHES MAXIMUM IN |
| Temp Rating | -80.0 FAHRENHEIT MINIMUM AND 225.0 FAHRENHEIT MAXIMUM DEGF |
| Supplementary Features | SELF-SEALING,45.0 PSI MIN T0 55.0 PSI MAX PRESSURE RANGE |
| Mounting Hole Arrangement Style | 2 HOLES |
| Material Document and Classification | AMS 5525 UNS S66286 ASSN STD SINGLE MATERIAL RESPONSE BASE |
| Material Document and Classification | AMS 5525 UNS S66286 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Material Document and Classification | MIL-R-6855,CLASS 1,GRADE 60 MIL SPEC SINGLE MATERIAL RESPONSE SEAL |
| Material Document and Classification | QQ-A-250/13,T6 UNS A97075 FED SPEC SINGLE MATERIAL RESPONSE SHELL |
| Mounting Hole Diameter | 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Features Provided | FLOATING NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Distance From Aperture Center to Mounting Hole Center | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Center to Center Distance Between Mounting Holes Along Length | 0.998 INCHES MINIMUM AND 1.002 INCHES MAXIMUM IN |
| Nut Height | 0.750 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE BASE |
| Surface Treatment | SILVER NUT |
| Surface Treatment | CHROMATE SHELL |
| Precious Material and Location | NUT SILVER |
| Nut Style | PLATE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| 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 |
|---|---|
| F19359-4 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| MA2501-048 | 5/9 Secondary reference Harvard Industries Inc |
NSN 5310-01-268-3882 is a Nut,self-Locking,plate, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-268-3882 has 1 manufacturer part number on file: F19359-4 (Howmet Global Fastening Systems Inc).
Key specifications for F19359-4: Plate Thickness: 0.020 INCHES NOMINAL IN; Nut Length: 1.260 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE SHELL A; Surface Treatment Document and Classification: AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE NUT. 29 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.