The Nut Spacer,plate, cataloged under National Stock Number 5310-01-025-4395, 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 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-025-4395 |
| Primary Part Number | ST4M164B5MN |
| Item Name | Nut Spacer,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Plate Thickness | 0.060 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN |
| Nut Length | 1.667 INCHES MINIMUM AND 1.697 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Plate Width | 0.705 INCHES MINIMUM AND 0.735 INCHES MAXIMUM IN |
| Mounting Hole Arrangement Style | 2 HOLES |
| Material Document and Classification | QQ-A-250/4 TEMPER T8 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Mounting Hole Diameter | 0.127 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN |
| Distance From Aperture Center to Mounting Hole Center | 0.697 INCHES MINIMUM AND 0.703 INCHES MAXIMUM IN |
| Center to Center Distance Between Mounting Holes Along Length | 1.394 INCHES MINIMUM AND 1.406 INCHES MAXIMUM IN |
| Thru-Hole Diameter | 0.453 INCHES MINIMUM AND 0.463 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE OVERALL |
| Nut Style | PLATE NUT SPACER |
| Material | ALUMINUM ALLOY 2024 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 |
|---|---|
| ST4M164B5MN PRIMARY | The Boeing Company Div Defense (USA) |
NSN 5310-01-025-4395 is a Nut Spacer,plate, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-025-4395 has 1 manufacturer part number on file: ST4M164B5MN (The Boeing Company Div Defense).
Key specifications for ST4M164B5MN: Plate Thickness: 0.060 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN; Nut Length: 1.667 INCHES MINIMUM AND 1.697 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Plate Width: 0.705 INCHES MINIMUM AND 0.735 INCHES MAXIMUM IN. 14 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.