PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

44A30-01-02-04NSwitch,rotary

Grayhill Inc · NSN 5930-01-388-0738 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-01-388-0738 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-388-0738. Primary manufacturer part number: 44A30-01-02-04N.
Features
  • Switch,rotary — FSC 5930
  • Pole Quantity: 2 SINGLE SECTION FRONT
  • Contact Switching Action: BREAKS BEFORE MAKES SINGLE SECTION FRONT
  • Switch Actuator Positioning Increment: 30.0 DEGREES SINGLE ACTUATOR
  • Throw Quantity: 4 SINGLE SECTION FRONT
  • 2 verified cross-references
  • Primary manufacturer: Grayhill Inc
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,rotary, cataloged under National Stock Number 5930-01-388-0738, is classified within Federal Supply Class 5930 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Grayhill Inc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-01-388-0738
Primary Part Number44A30-01-02-04N
Item NameSwitch,rotary
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerGrayhill Inc
StatusACTIVE
Pole Quantity2 SINGLE SECTION FRONT
Contact Switching ActionBREAKS BEFORE MAKES SINGLE SECTION FRONT
Switch Actuator Positioning Increment30.0 DEGREES SINGLE ACTUATOR
Throw Quantity4 SINGLE SECTION FRONT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5950-00-865-3457 INTERCHANGEABLE
Transformer,power
Cross-Reference Index
Part NumberManufacturer
44A30-01-02-04N PRIMARY Grayhill Inc (USA)
C4981 Howell Instruments, Inc. Dba Howell Instruments Inc (USA)
Related Parts
5950-00-865-3457INTERCHANGEABLE
TRANSFORMER,POWER

Frequently Asked Questions

What is NSN 5930-01-388-0738?

NSN 5930-01-388-0738 is a Switch,rotary, manufactured by Grayhill Inc, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-01-388-0738?

NSN 5930-01-388-0738 has 2 cross-referenced part numbers: 44A30-01-02-04N (Grayhill Inc), C4981 (Howell Instruments, Inc. Dba Howell Instruments Inc).

What NSN replaces 5930-01-388-0738?

There is 1 known substitute for 5930-01-388-0738: 5950-00-865-3457. Verify interchangeability with system specifications before substitution.

What are the specifications of 44A30-01-02-04N?

Key specifications for 44A30-01-02-04N: Pole Quantity: 2 SINGLE SECTION FRONT; Contact Switching Action: BREAKS BEFORE MAKES SINGLE SECTION FRONT; Switch Actuator Positioning Increment: 30.0 DEGREES SINGLE ACTUATOR; Throw Quantity: 4 SINGLE SECTION FRONT. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com