NSN 5930-00-557-1791 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-557-1791. Manufacturer of record part number: S945-1.
Also searched as5930-00-557-1791 ·
5930005571791 ·
NIIN 005571791 ·
00-557-1791 ·
FSC 5930 Switches · CAGE 26512 · S945-1
Mounting Configuration: ONE 0.480 IN. DIA MTG HOLE ON 0.631 IN. BY 0.631 IN. MTG CENTERS IN
Material: PLASTIC PHENOL FORMALDEHYDE (PMO)
1 manufacturer part number on file
Manufacturer of record: Northrop Grumman Systems Corporation
Identification
NSN: 5930-00-557-1791
NIIN: 005571791
FSC: 5930 — Switches
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: S945-1
Manufacturer: Northrop Grumman Systems Corporation
General Description
The Cover,electrical Switch, cataloged under National Stock Number 5930-00-557-1791, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 5 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5930-00-557-1791
Primary Part Number
S945-1
Item Name
Cover,electrical Switch
FSC / FSG
5930 / 59 — Switches
Manufacturer
Northrop Grumman Systems Corporation
Status
ACTIVE
Body Width
0.742 INCHES NOMINAL IN
Body Height
0.631 INCHES NOMINAL IN
Body Length
1.242 INCHES NOMINAL IN
Mounting Configuration
ONE 0.480 IN. DIA MTG HOLE ON 0.631 IN. BY 0.631 IN. MTG CENTERS IN
Material
PLASTIC PHENOL FORMALDEHYDE (PMO)
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5930-00-000-0117
SWITCH,PRESSURE
5930-00-001-1407
5930-00-001-1407 · Item name not on file
5930-00-001-1890
SWITCH,SENSITIVE
5930-00-001-2571
SWITCH,ROTARY
5930-00-001-2575
5930-00-001-2575 · Item name not on file
5930-00-001-2580
5930-00-001-2580 · Item name not on file
5930-00-001-2608
5930-00-001-2608 · Item name not on file
5930-00-001-2609
5930-00-001-2609 · Item name not on file
Frequently Asked Questions
What is NSN 5930-00-557-1791?
NSN 5930-00-557-1791 is a Cover,electrical Switch, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5930, Switches. Status: active.
What part numbers are listed for NSN 5930-00-557-1791?
NSN 5930-00-557-1791 has 1 manufacturer part number on file: S945-1 (Northrop Grumman Systems Corporation).
What are the specifications of S945-1?
Key specifications for S945-1: Body Width: 0.742 INCHES NOMINAL IN; Body Height: 0.631 INCHES NOMINAL IN; Body Length: 1.242 INCHES NOMINAL IN; Mounting Configuration: ONE 0.480 IN. DIA MTG HOLE ON 0.631 IN. BY 0.631 IN. MTG CENTERS IN. 5 specifications are documented in the U.S. Government catalog.
Is NSN 5930-00-557-1791 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.