The Expansion Joint,pipe, cataloged under National Stock Number 4730-00-529-2639, 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 Croll-Reynolds Engineering Co. Inc.. Government technical data includes 11 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-529-2639 |
| Primary Part Number | D8953B |
| Item Name | Expansion Joint,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Croll-Reynolds Engineering Co. Inc. |
| Status | ACTIVE |
| Working Pressure Rating | 50.000 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Bolt Hole Quantity | 14 |
| Joint Type | DOUBLE |
| Bolt Hole Diameter | 0.688 INCHES NOMINAL IN |
| Bolt Circle Diameter | 11.063 INCHES NOMINAL IN |
| Nominal Pipe Size Designation | 8.000 INCHES IN |
| End Connection Type | FLANGED |
| Traverse Maximum Length | 0.500 INCHES IN |
| Equalization Characteristic | NONEQUALIZING |
| Design Type | CORRUGATED ELEMENT |
| Nondefinitive Spec/std Data | 3 TYPE AND 2 CLASS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MIL-DTL-17813 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| D8953B PRIMARY | Croll-Reynolds Engineering Co. Inc. (USA) |
| MILE17813TYPE3CLASS2 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 4730-00-529-2639 is a Expansion Joint,pipe, manufactured by Croll-Reynolds Engineering Co. Inc., classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-529-2639 has 3 cross-referenced part numbers: MIL-DTL-17813 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), D8953B (Croll-Reynolds Engineering Co. Inc.), MILE17813TYPE3CLASS2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 12 known substitutes for 4730-00-529-2639: 4730-00-139-3885, 4730-00-529-2640, 4730-01-229-0884 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for D8953B: Working Pressure Rating: 50.000 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Bolt Hole Quantity: 14; Joint Type: DOUBLE; Bolt Hole Diameter: 0.688 INCHES NOMINAL IN. 12 total characteristics are documented in the Federal Logistics Information System.