The Nut Spacer,plate, cataloged under National Stock Number 5310-01-355-8793, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 12 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 | 5310-01-355-8793 |
| Primary Part Number | 845-6640841-A-11 |
| Item Name | Nut Spacer,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Plate Thickness | 0.031 INCHES NOMINAL IN |
| Nut Length | 2.480 INCHES NOMINAL IN |
| Plate Width | 2.060 INCHES NOMINAL IN |
| Mounting Hole Arrangement Style | 2 HOLES |
| Material Document and Classification | QQ-N-281,CLA FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Mounting Hole Diameter | 0.310 INCHES NOMINAL IN |
| Distance From Aperture Center to Mounting Hole Center | 1.240 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Holes Along Length | 2.480 INCHES NOMINAL IN |
| Thru-Hole Diameter | 1.120 INCHES NOMINAL IN |
| Nut Style | PLATE NUT SPACER |
| Material | NICKEL ALLOY 400 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 |
|---|---|
| 845-6640841-A-11 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5310-01-355-8793 is a Nut Spacer,plate, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-355-8793 has 1 manufacturer part number on file: 845-6640841-A-11 (Naval Sea Systems Command).
Key specifications for 845-6640841-A-11: Plate Thickness: 0.031 INCHES NOMINAL IN; Nut Length: 2.480 INCHES NOMINAL IN; Plate Width: 2.060 INCHES NOMINAL IN; Mounting Hole Arrangement Style: 2 HOLES. 12 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.