The Nut,self-Locking,plate, cataloged under National Stock Number 5310-01-342-7248, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-342-7248 |
| Primary Part Number | F39881-4 |
| 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 | 0.040 INCHES NOMINAL IN |
| Nut Length | 1.406 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE NUT |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE BASE |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE CLIP |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE BRACKET |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Plate Width | 0.840 INCHES MAXIMUM IN |
| Mounting Hole Arrangement Style | 2 HOLES |
| Removable Nut Manufacturer Part Number | 3D0133-4 |
| Material Document and Classification | AMS 5085 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Material Document and Classification | AMS 5688 ASSN STD SINGLE MATERIAL RESPONSE CLIP |
| Material Document and Classification | AMS 5085 ASSN STD SINGLE MATERIAL RESPONSE BRACKET |
| Material Document and Classification | MIL-R-6855,CL 1,GR 60 OR 70 MIL SPEC SINGLE MATERIAL RESPONSE SEAL |
| Material Document and Classification | QQ-A-250/12 FED SPEC SINGLE MATERIAL RESPONSE BASE |
| Mounting Hole Diameter | 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 | 0.567 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Center to Center Distance Between Mounting Holes Along Length | 1.127 INCHES MAXIMUM IN |
| Nut Height | 0.732 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE NUT |
| Surface Treatment | ANODIZE BASE |
| Surface Treatment | CADMIUM AND CHROMATE BRACKET |
| Surface Treatment | ANODIZE CLIP |
| Nut Style | PLATE (FLOATING) |
| 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 |
|---|---|
| F39881-4 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 3D0129-4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-342-7248 is a Nut,self-Locking,plate, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-342-7248 has 1 manufacturer part number on file: F39881-4 (Howmet Global Fastening Systems Inc).
Key specifications for F39881-4: Lubrication: DRY FILM LUBRICANT; Overall Height: 0.798 INCHES MAXIMUM IN; Plate Thickness: 0.040 INCHES NOMINAL IN; Nut Length: 1.406 INCHES NOMINAL IN. 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.