The Servo Valve Assembly, cataloged under National Stock Number 1630-01-171-0803, is classified within Federal Supply Class 1630 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Hydro-Aire Aerospace Corp. Government technical data includes 2 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1630-01-171-0803 |
| Primary Part Number | 37-335 |
| Item Name | Servo Valve Assembly |
| FSC / FSG | 1630 / 16 — No Item Name Available |
| Manufacturer | Hydro-Aire Aerospace Corp |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF THE FOLLOWING-BODY ASSY 1;MAGNET ASSY 1;ARMATURE ASSY 1;COIL 1;CAP,FL. BARRIER 1;AND OTHER MISC. HARDWARE |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 37-335 PRIMARY | Hydro-Aire Aerospace Corp (USA) |
| 1056350-20 | Woodward Hrt Inc (USA) |
| 1056350-20 | Hydro-Aire Aerospace Corp (USA) |
NSN 1630-01-171-0803 is a Servo Valve Assembly, manufactured by Hydro-Aire Aerospace Corp, classified under FSC 1630 (No Item Name Available). Status: active.
NSN 1630-01-171-0803 has 3 cross-referenced part numbers: 37-335 (Hydro-Aire Aerospace Corp), 1056350-20 (Woodward Hrt Inc), 1056350-20 (Hydro-Aire Aerospace Corp).
There are 4 known substitutes for 1630-01-171-0803: 5330-01-034-6567, 5342-01-103-1521, 6625-01-571-4269 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 37-335: End Item Identification: MARK III ANTI-SKID;KC135 ACFT; General Characteristics Item Description: CONSISTS OF THE FOLLOWING-BODY ASSY 1;MAGNET ASSY 1;ARMATURE ASSY 1;COIL 1;CAP,FL. BARRIER 1;AND OTHER MISC. HARDWARE; Criticality Code Justification: AGAV. 3 total characteristics are documented in the Federal Logistics Information System.