The Nut,union, cataloged under National Stock Number 4730-00-159-8315, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Ballistic Missile Defense Systems Command. Government technical data includes 13 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-159-8315 |
| Primary Part Number | 11308357-2 |
| Item Name | Nut,union |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Ballistic Missile Defense Systems Command |
| Status | ACTIVE |
| Thread Class | 2B |
| Width Across Flats | 2.280 INCHES NOMINAL IN |
| Shoulder Step Width | 0.160 INCHES NOMINAL IN |
| Thread Series | UN |
| Shoulder Seat Diameter | 1.840 INCHES NOMINAL IN |
| Nominal Thread Size | 1.938 INCHES IN |
| Smallest Inside Diameter | 1.660 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 12 |
| Thread Direction | RIGHT-HAND |
| Nut Height | 0.840 INCHES NOMINAL IN |
| Shoulder Width | 0.150 INCHES NOMINAL IN |
| Nut Style | HEXAGON |
| Material | COPPER ALLOY OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 11308357-2 | Ballistic Missile Defense Systems Command (USA) |
| A3012 | Mueller Brass Co. (USA) |
NSN 4730-00-159-8315 is a Nut,union, manufactured by Ballistic Missile Defense Systems Command, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-159-8315 has 2 cross-referenced part numbers: 11308357-2 (Ballistic Missile Defense Systems Command), A3012 (Mueller Brass Co.).
There are 6 known substitutes for 4730-00-159-8315: 4710-00-143-9433, 5305-00-206-4670, 4320-00-398-6556 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 11308357-2: Thread Class: 2B; Width Across Flats: 2.280 INCHES NOMINAL IN; Shoulder Step Width: 0.160 INCHES NOMINAL IN; Thread Series: UN. 13 total characteristics are documented in the Federal Logistics Information System.