The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-203-4681, 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 Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-203-4681 |
| Primary Part Number | 5509 |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. |
| Status | CANCELLED |
| Material | COPPER ALLOY 377 OR COPPER ALLOY 360 OVERALL |
| Nominal Thread Size | 0.312 INCHES FIRST END IN |
| Thread Series Designator | UNF FIRST END |
| Nominal Overall Length | 0.812 INCHES IN |
| Nominal Thread Size | 0.312 INCHES FIRST END IN |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Nominal Thread Size | 0.125 INCHES SECOND END IN |
| Connection Style | PLAIN (PIPE) SECOND END |
| Thread Series Designator | ANPT SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.125 INCHES FIRST END IN |
| Material Document and Classification | QQ-B-626,COMP 21 FED SPEC 1ST MATERIAL RESPONSE OR QQ-B-626,COMP 22 FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| Material | COPPER ALLOY 377 OR COPPER ALLOY 360 OVERALL |
| Nominal Overall Length | 0.812 INCHES IN |
| Material Document and Classification | QQ-B-626,COMP 21 FED SPEC 1ST MATERIAL RESPONSE OR QQ-B-626,COMP 22 FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| Thread Series Designator | UNF FIRST END |
| Seat Angle | 45.0 DEGREES FIRST END |
| Seat Angle | 45.0 DEGREES FIRST END |
| Thread Series Designator | ANPT SECOND END |
| Nominal Thread Size | 0.125 INCHES SECOND END IN |
| Connection Style | INVERTED FLARE (TUBE) FIRST END |
| Thread Class | 3A FIRST END A |
| Nominal Outside Diameter Tube Accommodated | 0.125 INCHES FIRST END IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 5509 | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN) |
| AN780-2 | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
| MIL-DTL-6001 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-F-6001 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 200975 | Renk America Llc Div Renk America (USA) |
| 5509 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 5509 | Satair A/s (DNK) |
NSN 4730-00-203-4681 is a Adapter,straight,pipe to Tube, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-203-4681 has 7 cross-referenced part numbers: 5509 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), AN780-2 (Aeronautical Standards Group Dept of Navy and Air Force), MIL-DTL-6001 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-F-6001 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 200975 (Renk America Llc Div Renk America) and 2 more.
There are 12 known substitutes for 4730-00-203-4681: 3110-00-156-7899, 4730-00-277-6403, 4730-00-278-0830 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 5509: Material: COPPER ALLOY 377 OR COPPER ALLOY 360 OVERALL; Nominal Thread Size: 0.312 INCHES FIRST END IN; Thread Series Designator: UNF FIRST END; Nominal Overall Length: 0.812 INCHES IN. 23 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-203-4681 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.