The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-00-436-0159, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Gretag Ag Sa Ltd. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-436-0159 |
| Primary Part Number | 20-98-50 |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Gretag Ag Sa Ltd |
| Status | ACTIVE |
| Electrical Resistance Per Section | 50.000 OHMS SINGLE SECTION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 20-98-50 PRIMARY | Gretag Ag Sa Ltd (CHE) |
| Reference | Meaning |
|---|---|
| 20-98-50 | 5/9 Secondary reference Conrac Systems Inc |
NSN 5905-00-436-0159 is a Resistor,variable,wire Wound,pre, manufactured by Gretag Ag Sa Ltd, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-436-0159 has 1 manufacturer part number on file: 20-98-50 (Gretag Ag Sa Ltd).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-461-9068. Verify interchangeability with system specifications before substitution.
Key specifications for 20-98-50: Electrical Resistance Per Section: 50.000 OHMS SINGLE SECTION; Special Features: T.O. 31S5-2GYQ18-101, N/H/A MASTER CONTRAST & MATRIX; End Item Identification: AN/GYQ-18V3. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5905-00-436-0159 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.