The Nut,self-Locking,plate, cataloged under National Stock Number 5310-01-135-4157, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 23 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-135-4157 |
| Primary Part Number | ST4M134-3-95 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Plate Thickness | 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN |
| Nut Length | 0.995 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT |
| Thread Series | UNF |
| Plate Width | 0.406 INCHES MAXIMUM IN |
| Temp Rating | 250.0 FAHRENHEIT MAXIMUM DEGF |
| Mounting Hole Arrangement Style | 2 HOLES |
| Material Document and Classification | AMS 7245 ASSN STD SINGLE MATERIAL RESPONSE LOCKING INSERT |
| Material Document and Classification | MIL-A-12545,TEMPER T6 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL EXCEPT INSERT |
| Mounting Hole Diameter | 0.093 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Distance From Aperture Center to Mounting Hole Center | 0.334 INCHES MINIMUM AND 0.354 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Center to Center Distance Between Mounting Holes Along Length | 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN |
| Nut Height | 0.940 INCHES MINIMUM AND 0.960 INCHES MAXIMUM IN |
| Surface Treatment | CHROMATE OVERALL EXCEPT INSERT |
| Nut Style | PLATE |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING LOCKING INSERT |
| Material | ALUMINUM ALLOY 6061 OVERALL EXCEPT INSERT |
| 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 |
|---|---|
| ST4M134-3-95 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| WSI-4-95 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 10109726 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 5300014-95 | C/1 Advisory reference — outside the item-of-supply concept Monadnock Company, the Dba Lisi Aerospace |
| WSI-4-9.5 | 5/9 Secondary reference Atlas Corp Western Sky Industries Div |
| WSI-4-95 | 5/9 Secondary reference Atlas Corp Western Sky Industries Div |
| WSI-4-95NH | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| WSI-4-95D | 5/9 Secondary reference Atlas Corp Western Sky Industries Div |
NSN 5310-01-135-4157 is a Nut,self-Locking,plate, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-135-4157 has 1 manufacturer part number on file: ST4M134-3-95 (The Boeing Company Div Defense).
Key specifications for ST4M134-3-95: Plate Thickness: 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN; Nut Length: 0.995 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT; Thread Series: UNF. 23 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.