The Nut,self-Locking,plate, cataloged under National Stock Number 5310-00-073-9190, 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 19 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-073-9190 |
| Primary Part Number | MK1301-04 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Plate Thickness | 0.025 INCHES NOMINAL IN |
| Nut Length | 0.456 INCHES MAXIMUM IN |
| Thread Series | UNJC |
| Plate Width | 0.194 INCHES MAXIMUM IN |
| Temp Rating | 450.0 FAHRENHEIT NOMINAL DEGF |
| Mounting Hole Arrangement Style | 2 HOLES |
| Mounting Hole Diameter | 0.066 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.112 INCHES IN |
| Distance From Aperture Center to Mounting Hole Center | 0.143 INCHES MINIMUM AND 0.153 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Center to Center Distance Between Mounting Holes Along Length | 0.294 INCHES MINIMUM AND 0.298 INCHES MAXIMUM IN |
| Nut Height | 0.130 INCHES MAXIMUM IN |
| Nut Style | PLATE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 40 |
| 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 |
|---|---|
| 990292-12 | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA) |
| N178742-3 | Safran Electrical & Power Uk Limited (GBR) |
| 950320-31 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| MK1301-04 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| MK1301-04 | Satair A/s (DNK) |
| Reference | Meaning |
|---|---|
| MK1301-04 | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Microdot Products |
| 950320-31 | 5/9 Secondary reference Litton Systems Inc. Div Navigation Systems Division |
NSN 5310-00-073-9190 is a Nut,self-Locking,plate, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-073-9190 has 5 manufacturer part numbers on file: 990292-12 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products), N178742-3 (Safran Electrical & Power Uk Limited), 950320-31 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), MK1301-04 (Howmet Global Fastening Systems Inc), MK1301-04 (Satair A/s).
Key specifications for MK1301-04: Lubrication: DRY FILM LUBRICANT; Plate Thickness: 0.025 INCHES NOMINAL IN; Nut Length: 0.456 INCHES MAXIMUM IN; Thread Series: UNJC. 19 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.