The Resistor,thermal, cataloged under National Stock Number 5905-00-997-5158, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Micro Uspd Inc. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-997-5158 |
| Primary Part Number | TM1/8-27OHMSPORM5PCT |
| Item Name | Resistor,thermal |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Micro Uspd Inc |
| Status | ACTIVE |
| Inclosure Type | ENCAPSULATED |
| Terminal Diameter | 0.025 INCHES NOMINAL IN |
| Terminal Length | 1.375 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.125 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN |
| Style Designator | ROD |
| Zero Power Resistance | 27.000 OHMS |
| Thermal Time Constant in Seconds | 34.8 |
| Ambient Temp at Full Rated Power | 100.0 CELSIUS DEGC |
| Zero Power Resistance Tolerance in Percent at Reference Temp | -5.0 TO 5.0 |
| Maximum Operating Temp | 150.0 CELSIUS DEGC |
| Body Length | 0.391 INCHES MINIMUM AND 0.421 INCHES MAXIMUM IN |
| Reliability Indicator | NOT ESTABLISHED |
| Surface Treatment | TIN TERMINAL |
| Terminal Type and Quantity | 2 WIRE LEAD |
| Maximum Power Dissipation Rating | 125.00 MILLIWATTS |
| 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 |
|---|---|
| DS 125-27OHMDPORM5PCT | Rtie Holdings Llc (USA) |
| TM1/8-27OHMSPORM5PCT PRIMARY | Micro Uspd Inc (USA) |
| Reference | Meaning |
|---|---|
| TM1-8-27P0RM10PC | C/1 Advisory reference — outside the item-of-supply concept Texas Instruments Incorporated |
| TM1-8 270HMSP0RM5PCT | 5/9 Secondary reference Texas Instruments Incorporated |
NSN 5905-00-997-5158 is a Resistor,thermal, manufactured by Micro Uspd Inc, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-997-5158 has 2 manufacturer part numbers on file: DS 125-27OHMDPORM5PCT (Rtie Holdings Llc), TM1/8-27OHMSPORM5PCT (Micro Uspd Inc).
Key specifications for TM1/8-27OHMSPORM5PCT: Inclosure Type: ENCAPSULATED; Terminal Diameter: 0.025 INCHES NOMINAL IN; Terminal Length: 1.375 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN; Body Outside Diameter: 0.125 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN. 15 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.