The Resistor,fixed,film, cataloged under National Stock Number 5905-00-225-2121, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lucent Technologies Inc Corporate Headquarters. Government technical data includes 10 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-225-2121 |
| Primary Part Number | KS2180L1A |
| Item Name | Resistor,fixed,film |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Lucent Technologies Inc Corporate Headquarters |
| Status | ACTIVE |
| Resistance Tolerance in Percent | -1.000 TO 1.000 |
| Body Diameter | 0.200 INCHES NOMINAL IN |
| Electrical Resistance | 165.000 OHMS |
| Inclosure Type | ENCAPSULATED |
| Terminal Type | WIRE LEAD |
| Style Designator | AXIAL TERMINAL EACH END |
| Power Dissipation Rating in Watts | 0.500 FREE AIR |
| Ambient Temp at Full Rated Power | 30.0 CELSIUS DEGC |
| Body Length | 0.875 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| KS2180L1A PRIMARY | Lucent Technologies Inc Corporate Headquarters (USA) |
| Reference | Meaning |
|---|---|
| KS2180L1A | 5/9 Secondary reference Lucent Technologies Inc Dba Federal Marketing Group |
| 145ARESIST0R1650HM | 5/9 Secondary reference American Telephone and Telegraph Co |
| KS2180L1A | 3/9 Design control — primary reference American Telephone and Telegraph Co |
| 145A1650F | 5/9 Secondary reference American Telephone and Telegraph Co |
NSN 5905-00-225-2121 is a Resistor,fixed,film, manufactured by Lucent Technologies Inc Corporate Headquarters, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-225-2121 has 1 manufacturer part number on file: KS2180L1A (Lucent Technologies Inc Corporate Headquarters).
Key specifications for KS2180L1A: Resistance Tolerance in Percent: -1.000 TO 1.000; Body Diameter: 0.200 INCHES NOMINAL IN; Electrical Resistance: 165.000 OHMS; Inclosure Type: ENCAPSULATED. 10 specifications are 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.
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.