The Nut,plain,rectangular, cataloged under National Stock Number 5310-01-312-0708, 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 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-312-0708 |
| Primary Part Number | 5166155 ITEM 1 |
| Item Name | Nut,plain,rectangular |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Nut Width | 2.370 INCHES NOMINAL IN |
| Hole Thread Quantity Per Inch | 18 |
| Nut Length | 3.320 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | 1303,SYSTEM 22 MIL STD SINGLE TREATMENT RESPONSE OVERALL EXCEPT THREADS |
| Thread Series | UNF |
| Hole Configuration Style | CONFIGURATION D |
| Material Document and Classification | ASTM A575 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.563 INCHES IN |
| Nut Height | 1.000 INCHES NOMINAL IN |
| Surface Treatment | PAINT OVERALL EXCEPT THREADS |
| Nut Style | PLAIN, RECTANGULAR |
| Thread Class | 2B |
| Hole Nominal Thread Diameter | 0.3125 INCHES IN |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP M1020 OVERALL |
| Hole Type and Quantity | 2 TAPPED |
| 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 |
|---|---|
| 5166155 ITEM 1 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5166155 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5310-01-312-0708 is a Nut,plain,rectangular, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-312-0708 has 1 manufacturer part number on file: 5166155 ITEM 1 (Naval Sea Systems Command).
Key specifications for 5166155 ITEM 1: Nut Width: 2.370 INCHES NOMINAL IN; Hole Thread Quantity Per Inch: 18; Nut Length: 3.320 INCHES NOMINAL IN; Surface Treatment Document and Classification: 1303,SYSTEM 22 MIL STD SINGLE TREATMENT RESPONSE OVERALL EXCEPT THREADS. 17 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.