The Nut,union, cataloged under National Stock Number 4730-00-457-2686, 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 B.w. Elliott Manufacturing Co., Llc. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-457-2686 |
| Primary Part Number | 11813-1 |
| Item Name | Nut,union |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | B.w. Elliott Manufacturing Co., Llc |
| Status | ACTIVE |
| Nut Diameter | 1.280 INCHES MINIMUM AND 1.290 INCHES MAXIMUM IN |
| Drilled Hole Diameter | 0.068 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Thread Series | UNEF |
| Smallest Inside Diameter | 0.594 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 20 |
| Nominal Thread Size | 0.750 INCHES IN |
| Shoulder Seat Diameter | 0.760 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN |
| Shoulder Step Width | 0.040 INCHES NOMINAL IN |
| Hole Configuration Style | CONFIGURATION G |
| Thread Class | 2B |
| Shoulder Width | 0.125 INCHES NOMINAL IN |
| Nut Style | ROUND |
| Hole Type and Quantity | 2 DRILLED |
| Material Document and Classification | QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Direction | RIGHT-HAND |
| Nut Height | 0.640 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 11813-1 | Elliott B W Mfg Co Llc Flex Shaft and Valve Control Product Lines (USA) |
| 11813-1 PRIMARY | B.w. Elliott Manufacturing Co., Llc (USA) |
| S11813-001 | B.w. Elliott Manufacturing Co., Llc (USA) |
NSN 4730-00-457-2686 is a Nut,union, manufactured by B.w. Elliott Manufacturing Co., Llc, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-457-2686 has 3 cross-referenced part numbers: 11813-1 (Elliott B W Mfg Co Llc Flex Shaft and Valve Control Product Lines), 11813-1 (B.w. Elliott Manufacturing Co., Llc), S11813-001 (B.w. Elliott Manufacturing Co., Llc).
There are 3 known substitutes for 4730-00-457-2686: 4730-00-203-2836, 5970-00-916-6190, 2520-00-933-0826. Verify interchangeability with system specifications before substitution.
Key specifications for 11813-1: Nut Diameter: 1.280 INCHES MINIMUM AND 1.290 INCHES MAXIMUM IN; Drilled Hole Diameter: 0.068 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Special Features: KNURLED; Thread Series: UNEF. 18 total characteristics are documented in the Federal Logistics Information System.