The Coupling,seal Ring, cataloged under National Stock Number 4730-00-356-2481, 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 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 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 | 4730-00-356-2481 |
| Primary Part Number | 4020636 |
| Item Name | Coupling,seal Ring |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Supplementary Features | FAILURE OF SEAL WILL LEAD TO CATASTROPHIC LOSS OF AIR PRESSURE IN ENGINE |
| Criticality Code Justification | SUPP |
| General Characteristics Item Description | NICKEL ALLOY,AMS5663,3.375 IN. MIN,3.385 IN. MAX LG,3.487 IN. MIN,3.487 IN. MAX OD,3.070 IN. MIN,3.090 IN. MAX ID IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4020636 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 4020636 | Lewis Machine, Llc (USA) |
| 4020636 | Turbo Power & Marine System Inc Sub of United Technologies Corp (USA) |
| 4020636 | Airtronics, Llc (USA) |
| 4020636 | Rtx Corporation Div Pratt & Whitney (USA) |
| 4020636 | Alamo Aircraft, Ltd. (USA) |
| 103024 | Grace Machine Co, Llc (USA) |
NSN 4730-00-356-2481 is a Coupling,seal Ring, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-356-2481 has 7 cross-referenced part numbers: 4020636 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4020636 (Lewis Machine, Llc), 4020636 (Turbo Power & Marine System Inc Sub of United Technologies Corp), 4020636 (Airtronics, Llc), 4020636 (Rtx Corporation Div Pratt & Whitney) and 2 more.
There are 6 known substitutes for 4730-00-356-2481: 5310-00-209-6421, 6350-00-504-2020, 5340-00-955-3123 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4020636: Supplementary Features: FAILURE OF SEAL WILL LEAD TO CATASTROPHIC LOSS OF AIR PRESSURE IN ENGINE; Criticality Code Justification: SUPP; General Characteristics Item Description: NICKEL ALLOY,AMS5663,3.375 IN. MIN,3.385 IN. MAX LG,3.487 IN. MIN,3.487 IN. MAX OD,3.070 IN. MIN,3.090 IN. MAX ID IN; End Item Identification: ENGINE,TURBOFAN MODEL F100. 4 total characteristics are documented in the Federal Logistics Information System.