The Nut,plain,round, cataloged under National Stock Number 5310-01-015-1947, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-015-1947 |
| Primary Part Number | 18817-1 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-C-320,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Hardness Rating | 39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM |
| Nut Counterbore Depth | 0.160 INCHES NOMINAL NUT IN |
| Countersink Angle | 90.0 DEGREES NOMINAL NUT |
| Counterbore Diameter | 4.890 INCHES MINIMUM NUT IN |
| Material | STEEL OVERALL |
| Nut Thickness | 0.760 INCHES MAXIMUM IN |
| Nut Diameter | 5.640 INCHES NOMINAL IN |
| Surface Treatment | CHROMIUM OVERALL |
| Nominal Thread Size | 4.750 INCHES IN |
| Thread Series | UNIFIED NATIONAL JOINT (UNJ) |
| Thread Direction | RIGHT-HAND |
| Thread Class | 3B |
| Thread Quantity Per Inch | 16 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5310-01-015-1947 is a Nut,plain,round, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-01-015-1947 has 2 cross-referenced part numbers: 18817-1 (Northrop Grumman Systems Corporation), 18817-1 (Goodrich Aerospace Canada Ltd).
There is 1 known substitute for 5310-01-015-1947: 3020-01-314-2592. Verify interchangeability with system specifications before substitution.
Key specifications for 18817-1: Surface Treatment Document and Classification: QQ-C-320,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Hardness Rating: 39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM; Nut Counterbore Depth: 0.160 INCHES NOMINAL NUT IN; Countersink Angle: 90.0 DEGREES NOMINAL NUT. 14 total characteristics are documented in the Federal Logistics Information System.