The Nut,self-Locking,plate, cataloged under National Stock Number 5310-00-616-1508, 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 22 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-00-616-1508 |
| Primary Part Number | K1131-3 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Plate Thickness | 0.032 INCHES NOMINAL IN |
| Nut Length | 0.969 INCHES NOMINAL IN |
| Thread Series | UNF |
| Precious Material | SILVER |
| Plate Width | 0.438 INCHES NOMINAL IN |
| Temp Rating | 900.0 FAHRENHEIT NOMINAL DEGF |
| Mounting Hole Arrangement Style | 2 HOLES |
| Material Document and Classification | A286,FSCM 71321 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Mounting Hole Diameter | 0.098 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Distance From Aperture Center to Mounting Hole Center | 0.344 INCHES NOMINAL IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Center to Center Distance Between Mounting Holes Along Length | 0.688 INCHES NOMINAL IN |
| Nut Height | 0.278 INCHES NOMINAL IN |
| Surface Treatment | SILVER OVERALL |
| Countersink Angle | 100.0 DEGREES NOMINAL NUT |
| Nut Style | PLATE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 OVERALL |
| 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 |
|---|---|
| K1131-3 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| K1131-3 | Satair A/s (DNK) |
| GN10BG1032 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| K1131-3 | Boeing Distribution Services SAS (FRA) |
| Reference | Meaning |
|---|---|
| K1131-3 | 5/9 Secondary reference Klx Aerospace Solutions II SAS |
| T2CH1032 | 5/9 Secondary reference Sps Technologies, Llc Dba Cherry Aerospace Div Div Cherry Aerospace |
| K1131-3 | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Microdot Products |
| NAS681C3 | 3/2 Design control — primary reference U.S. Government activity |
| LHTA58-2860-02 | 5/9 Secondary reference Harvard Industries Inc |
NSN 5310-00-616-1508 is a Nut,self-Locking,plate, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-616-1508 has 4 manufacturer part numbers on file: K1131-3 (Howmet Global Fastening Systems Inc), K1131-3 (Satair A/s), GN10BG1032 (Northrop Grumman Systems Corporation), K1131-3 (Boeing Distribution Services SAS).
Key specifications for K1131-3: Plate Thickness: 0.032 INCHES NOMINAL IN; Nut Length: 0.969 INCHES NOMINAL IN; Thread Series: UNF; Precious Material: SILVER. 22 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.