The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-270-1731, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-270-1731 |
| Primary Part Number | 820-2179130-85 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Quantity Per Inch | 13 |
| Material | STEEL OVERALL |
| Width Across Flats | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.500 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2B |
| Nut Height | 0.427 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN |
| Nut Style | HEXAGON |
| Departure From Cited Document | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Criticality Code Justification | ZZZW |
| Surface Treatment | CADMIUM OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 820-2179130-85 | Naval Sea Systems Command (USA) |
| 5310PL0810042 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| 235R001PC34 | Container Research Corp Dba Container Research Corp Div Containr Research Corporation (USA) |
| MS51967-14 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 1F4238PC70 | Toolex, Inc Dba Toolex Inc (USA) |
| 820-2179130-85 | Naval Ship Systems Command (USA) |
| 12387305-14 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 660C1AB-3 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| D301231 FIND 11 | Control Flow, Inc. Dba Control Flow Inc (USA) |
| D301293 FIND 13 | Control Flow, Inc. Dba Control Flow Inc (USA) |
| 1F4238PC70 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
NSN 5310-01-270-1731 is a Nut,plain,hexagon, manufactured by Naval Sea Systems Command, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-01-270-1731 has 11 cross-referenced part numbers: 820-2179130-85 (Naval Sea Systems Command), 5310PL0810042 (Jednolity Indeks Materialowy - Uniform Material Index), 235R001PC34 (Container Research Corp Dba Container Research Corp Div Containr Research Corporation), MS51967-14 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 1F4238PC70 (Toolex, Inc Dba Toolex Inc) and 6 more.
There are 5 known substitutes for 5310-01-270-1731: 5310-00-004-3099, 5310-00-768-0318, 5310-01-471-3181 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 820-2179130-85: End Item Identification: MRAP - COMMON NSN - USED ON CAIMAN PLUS CAT I AND 9 OTHER WEAPON SYSTEMS INCLUDING 21N - NUCLEAR REACTORS PROGRAM; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Quantity Per Inch: 13; Material: STEEL OVERALL. 13 total characteristics are documented in the Federal Logistics Information System.