The Pitot Tube, cataloged under National Stock Number 6610-00-663-8410, is classified within Federal Supply Class 6610 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 11 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 | 6610-00-663-8410 |
| Primary Part Number | MIL-T-5421 |
| Item Name | Pitot Tube |
| FSC / FSG | 6610 / 66 — No Item Name Available |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | CANCELLED |
| Heating Element Voltage in Volts | 24.0 |
| Heating Element Current Type | DC |
| Mounting Method | TUBULAR |
| Overall Diameter | 0.875 INCHES NOMINAL IN |
| Mounting Position | TUBULAR VERTICAL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MIL-T-5421 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 9651112101 | Pilatus Aircraft Ltd (CHE) |
| 1-20585 | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
| 126-185 | Toastmaster Inc (USA) |
| PH502 | Aero-Instruments Co., Llc Dba Aerocontrolex Group Div Aero Instruments Inc., Llc (USA) |
| AN5812-1 | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
| 6610PL0892604 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| NDC2 | Nadco Inc (USA) |
| 782-02 | Elbitamerica, Inc. (USA) |
| MIL-T-5421B | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Z00.N7709063107 | Daher Aerospace - Ex Socata (FRA) |
| 126-185A | Toastmaster Inc (USA) |
| 965.11.12.101 | Pilatus Aircraft Ltd (CHE) |
| 126-85A | Toastmaster Inc (USA) |
| AN5812-1 | Officine Meccaniche Aeronautiche Spa (ITA) |
NSN 6610-00-663-8410 is a Pitot Tube, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 6610 (No Item Name Available). Status: cancelled.
NSN 6610-00-663-8410 has 15 cross-referenced part numbers: MIL-T-5421 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 9651112101 (Pilatus Aircraft Ltd), 1-20585 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), 126-185 (Toastmaster Inc), PH502 (Aero-Instruments Co., Llc Dba Aerocontrolex Group Div Aero Instruments Inc., Llc) and 10 more.
There are 12 known substitutes for 6610-00-663-8410: 6610-00-262-9146, 5840-00-310-3509, 6610-00-391-7884 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MIL-T-5421: Heating Element Voltage in Volts: 24.0; Heating Element Current Type: DC; Mounting Method: TUBULAR; Overall Diameter: 0.875 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.
NSN 6610-00-663-8410 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.