The Switch,push, cataloged under National Stock Number 5930-00-581-8277, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Howell Laboratories Inc Dba Howell Laboratories Inc. Government technical data includes 17 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 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-581-8277 |
| Primary Part Number | 3927-2 |
| Item Name | Switch,push |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Howell Laboratories Inc Dba Howell Laboratories Inc |
| Status | ACTIVE |
| Bushing Length | 0.313 INCHES NOMINAL IN |
| Actuator Diameter | 0.346 INCHES NOMINAL IN |
| Inclosure Type | UNINCLOSED |
| Body Style | BUSHING MOUNTED |
| Mounting Method | THREADED BUSHING |
| Body Width | 0.625 INCHES NOMINAL IN |
| Body Height | 0.656 INCHES NOMINAL IN |
| Nominal Thread Size | 0.469 INCHES IN |
| Body Length | 1.250 INCHES NOMINAL IN |
| Color | WHITE SINGLE ACTUATOR |
| Nonpile-Up Contact Arrangement | 3 TWO CIRCUIT, DOUBLE BREAK/DOUBLE MAKE, ONE POSITION MOMENTARY SINGLE SWITCH UNIT |
| Maximum Voltage Rating in Volts | 125.0 AC AND 28.0 DC |
| Thread Quantity Per Inch | 32 |
| Terminal Type and Quantity | 12 TAB, SOLDER LUG |
| Thread Series Designator | UNS |
| Actuator Height | 0.250 INCHES NOMINAL IN |
| Contact Load Current Rating at Maximum Rated Voltage | 10.000 AMPERES RESISTIVE DC AND 5.000 AMPERES INDUCTIVE DC AND 5.000 AMPERES LAMP DC AND 10.000 AMPERES RESISTIVE AC AND 5.000 AMPERES INDUCTIVE AC AND 3.000 AMPERES LAMP AC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3927-2 PRIMARY | Howell Laboratories Inc Dba Howell Laboratories Inc (USA) |
| 76-2230-604 | Illinois Tool Works Inc Dba Illinois Tool Works Inc Div Illinois Tool Works (USA) |
NSN 5930-00-581-8277 is a Switch,push, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-581-8277 has 2 manufacturer part numbers on file: 3927-2 (Howell Laboratories Inc Dba Howell Laboratories Inc), 76-2230-604 (Illinois Tool Works Inc Dba Illinois Tool Works Inc Div Illinois Tool Works).
3 possible matches (shared part number, not a government interchangeability claim): 6680-01-081-7805, 5331-01-138-2484, 3120-01-470-5174. Verify interchangeability with system specifications before substitution.
Key specifications for 3927-2: Bushing Length: 0.313 INCHES NOMINAL IN; Actuator Diameter: 0.346 INCHES NOMINAL IN; Inclosure Type: UNINCLOSED; Body Style: BUSHING MOUNTED. 17 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.
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.