The Expansion Joint,pipe, cataloged under National Stock Number 4730-00-872-1389, 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 Senior Operations Llc Div Senior Aerospace Ssp. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-872-1389 |
| Primary Part Number | 81-5145 |
| Item Name | Expansion Joint,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Senior Operations Llc Div Senior Aerospace Ssp |
| Status | ACTIVE |
| Nominal Pipe Size Designation | 3.500 INCHES IN |
| Bolt Circle Diameter | 7.000 INCHES NOMINAL IN |
| Material | STEEL FLANGE |
| Bolt Hole Diameter | 0.812 INCHES NOMINAL IN |
| Flange Outside Diameter | 8.125 INCHES NOMINAL IN |
| Equalization Characteristic | SELF-EQUALIZING |
| End Connection Type | FLANGED |
| Joint Type | DOUBLE |
| Sleeve Quantity | 2 |
| Design Type | CORRUGATED ELEMENT |
| Bolt Hole Quantity | 9 |
| Material | STEEL CORROSION RESISTING SLEEVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4730-00-872-1389 is a Expansion Joint,pipe, manufactured by Senior Operations Llc Div Senior Aerospace Ssp, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-872-1389 has 3 cross-referenced part numbers: CELNP014 (Caldwell Engine Laboratories), 10256-3 (Fmh Aerospace Corp.), 81-5145 (Senior Operations Llc Div Senior Aerospace Ssp).
There are 4 known substitutes for 4730-00-872-1389: 3110-00-100-0614, 3825-00-464-9783, 5977-00-769-1246 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 81-5145: Nominal Pipe Size Designation: 3.500 INCHES IN; Bolt Circle Diameter: 7.000 INCHES NOMINAL IN; Material: STEEL FLANGE; Overall Length: 14.000 INCHES NOMINAL IN. 13 total characteristics are documented in the Federal Logistics Information System.