The Switch,reed, cataloged under National Stock Number 5930-01-043-1979, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-043-1979 |
| Primary Part Number | 639AS1271 |
| Item Name | Switch,reed |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT |
| Maximum Voltage Rating in Volts | 100.0 DC |
| Terminal Type and Quantity | 2 TAB, SOLDER LUG |
| Contact Load Current Rating at Maximum Rated Voltage | 250.000 MILLIAMPERES RESISTIVE DC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 639AS1271 | Bright Lights Usa, Inc Dba Blusa Defense Manufacturing (USA) |
| 639AS1271 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 10154309 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| RAS-90 | 5/9 Secondary reference U.S. Government activity |
| 639AS1271 | 5/9 Secondary reference Air Armament Center/ En |
NSN 5930-01-043-1979 is a Switch,reed, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-043-1979 has 2 manufacturer part numbers on file: 639AS1271 (Bright Lights Usa, Inc Dba Blusa Defense Manufacturing), 639AS1271 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 639AS1271: Overall Length: 2.000 INCHES NOMINAL IN; Overall Width: 0.875 INCHES NOMINAL IN; Nonpile-Up Contact Arrangement: 1 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT; Maximum Voltage Rating in Volts: 100.0 DC. 4 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.
NSN 5930-01-043-1979 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.