The Seat,valve, cataloged under National Stock Number 4820-00-118-2829, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 11 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 | 4820-00-118-2829 |
| Primary Part Number | 17181 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. |
| Status | ACTIVE |
| Body Outside Diameter | 2.273 INCHES MINIMUM AND 2.277 INCHES MAXIMUM IN |
| Body Inside Diameter | 2.182 INCHES MINIMUM AND 2.192 INCHES MAXIMUM IN |
| Style Designator | PLAIN FLANGED |
| Hardness Rating | 90.0 ROCKWELL B MINIMUM AND 105.0 ROCKWELL B MAXIMUM BODY |
| Seating Surface Shape | ANGULAR |
| Material | STEEL BODY |
| Flange Seat to Disk End Height | 0.436 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Seat Angle in Deg | 90.000 NOMINAL |
| Material Document and Classification | AMS 5700 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Under Flange Height | 0.136 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN |
| Flange Diameter | 2.632 INCHES MINIMUM AND 2.633 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-118-2829 is a Seat,valve, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-118-2829 has 2 cross-referenced part numbers: 17181 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 17181 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).
There are 6 known substitutes for 4820-00-118-2829: 5935-00-518-8229, 5950-00-648-3747, 6140-01-099-0250 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 17181: End Item Identification: ACFT ENG R1830; Body Outside Diameter: 2.273 INCHES MINIMUM AND 2.277 INCHES MAXIMUM IN; Body Inside Diameter: 2.182 INCHES MINIMUM AND 2.192 INCHES MAXIMUM IN; Style Designator: PLAIN FLANGED. 12 total characteristics are documented in the Federal Logistics Information System.