The Switch,pressure, cataloged under National Stock Number 5930-01-128-1122, 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 13 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5930-01-128-1122 |
| Primary Part Number | 850AS138 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Terminal Type | CONNECTOR, RECEPTACLE |
| Overall Diameter | 1.130 INCHES NOMINAL IN |
| Contact Load Current Rating | 1.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | CLAMP |
| Pressure Switch Type | GAGE |
| Features Provided | ELECTRICAL BOX CONNECTOR |
| Nominal Thread Size | 0.375 INCHES SINGLE PRESSURE CONNECTION IN |
| Pressure Connector Type | PLAIN, THREADED INTERNAL SINGLE CONNECTION |
| Nonpile-Up Contact Arrangement | 3 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Media for Which Designed | GAS OR LIQUID |
| Thread Quantity Per Inch | 24 SINGLE PRESSURE CONNECTION |
| Thread Series Designator | UNF SINGLE PRESSURE CONNECTION |
| Contact Voltage Rating in Volts | 28.0 DC AT SEA LEVEL SINGLE VOLTAGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 6011300 | The Boeing Company Div Services (USA) |
| 6011300 | The Boeing Company Div Defense (USA) |
| 850AS138 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 10154338 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 6011300 | 5/2 Secondary reference U.S. Government activity |
| SWU-62/A | 5/1 Secondary reference Naval Surface Warfare Center Indian Head |
| 1377-XW71 | 6/9 Informative reference only U.S. Government activity |
NSN 5930-01-128-1122 is a Switch,pressure, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-128-1122 has 3 manufacturer part numbers on file: 6011300 (The Boeing Company Div Services), 6011300 (The Boeing Company Div Defense), 850AS138 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 1377-01-130-6281. Verify interchangeability with system specifications before substitution.
Key specifications for 850AS138: Terminal Type: CONNECTOR, RECEPTACLE; Overall Diameter: 1.130 INCHES NOMINAL IN; Contact Load Current Rating: 1.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE; Mounting Method: CLAMP. 13 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 5930-01-128-1122 has DEMIL Code D. 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.