The Reactor, cataloged under National Stock Number 5950-00-994-9636, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Astronics Test Systems Inc. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-994-9636 |
| Primary Part Number | 311440 |
| Item Name | Reactor |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Astronics Test Systems Inc |
| Status | ACTIVE |
| Mounting Facility Quantity | 2 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Mounting Method | THREADED STUD(S) SINGLE GROUP |
| Inductance Rating | 200.00 MILLIHENRIES MAXIMUM SINGLE COMPONENT SINGLE WINDING |
| Body Width | 2.060 INCHES NOMINAL IN |
| Body Height | 1.880 INCHES NOMINAL IN |
| Distance Between Mounting Facility Centers | 2.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Nominal Thread Size | 0.138 INCHES SINGLE GROUP IN |
| Body Length | 2.440 INCHES NOMINAL IN |
| Winding Operating Current | 625.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING |
| Rating Method | ELECTRICAL SINGLE COMPONENT SINGLE WINDING |
| DC Resistance Rating in Ohms | 4.500 SINGLE COMPONENT SINGLE WINDING |
| Reliability Indicator | NOT ESTABLISHED |
| Winding Quantity | 1 SINGLE COMPONENT |
| Thread Quantity Per Inch | 32 SINGLE GROUP |
| Terminal Type and Quantity | 2 WIRE LEAD |
| Inductance Type | FIXED |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 311440 PRIMARY | Astronics Test Systems Inc (USA) |
NSN 5950-00-994-9636 is a Reactor, manufactured by Astronics Test Systems Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-994-9636 has 1 manufacturer part number on file: 311440 (Astronics Test Systems Inc).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-111-2508, 4920-01-547-7663. Verify interchangeability with system specifications before substitution.
Key specifications for 311440: Mounting Facility Quantity: 2 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Mounting Method: THREADED STUD(S) SINGLE GROUP; Inductance Rating: 200.00 MILLIHENRIES MAXIMUM SINGLE COMPONENT SINGLE WINDING. 18 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.