The Nut,plain,plate, cataloged under National Stock Number 5310-01-178-2088, 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 26 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-178-2088 |
| Primary Part Number | MF52348-3-2 |
| Item Name | Nut,plain,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 | 0.805 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE WASHER |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Plate Width | 0.418 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN |
| Mounting Hole Arrangement Style | 2 HOLES |
| Material Document and Classification | AMS 3304 ASSN STD 1ST MATERIAL RESPONSE OR MIL-R-25988 MIL SPEC 2ND MATERIAL RESPONSE SEAL |
| Mounting Hole Diameter | 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Nut Counterbore Depth | 0.125 INCHES MINIMUM NUT IN |
| Features Provided | FLOATING NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Counterbore Diameter | 0.220 INCHES MINIMUM NUT IN |
| Distance From Aperture Center to Mounting Hole Center | 0.290 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN |
| Center to Center Distance Between Mounting Holes Along Length | 0.588 INCHES MINIMUM AND 0.592 INCHES MAXIMUM IN |
| Nut Height | 0.317 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE CAP |
| Surface Treatment | CADMIUM AND CHROMATE WASHER |
| Nut Style | PLATE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL NUT |
| Material | IRON ALLOY 660 CAP |
| Material | STEEL WASHER |
| Material | RUBBER SILICONE CLASS Q OR RUBBER FLUOROSILICONE CLASS FQ SEAL |
| 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 |
|---|---|
| MF52348-3-2 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 5310PL0779048 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| C4227E02-2 | 7/2 Vendor item drawing reference U.S. Government activity |
| NS202697G-02-2 | 3/2 Design control — primary reference U.S. Government activity |
| 5310PL1747668 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| C4227E02-2 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
NSN 5310-01-178-2088 is a Nut,plain,plate, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-178-2088 has 1 manufacturer part number on file: MF52348-3-2 (Howmet Global Fastening Systems Inc).
Key specifications for MF52348-3-2: Overall Height: 0.658 INCHES MAXIMUM IN; Plate Thickness: 0.020 INCHES NOMINAL IN; Nut Length: 0.805 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE WASHER. 26 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.