NSN 5930-01-599-1944 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-599-1944. Manufacturer of record part number: 521-01-004000-00-04 A.
Also searched as5930-01-599-1944 ·
5930015991944 ·
NIIN 015991944 ·
01-599-1944 ·
FSC 5930 Switches · CAGE 5M2Y6 · 521-01-004000-00-04 A · 601-15-S02000-00-00
Manufacturer of record: Quantum Marine Engineering, Inc.
Identification
NSN: 5930-01-599-1944
NIIN: 015991944
FSC: 5930 — Switches
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 521-01-004000-00-04 A
Manufacturer: Quantum Marine Engineering, Inc.
General Description
The Switch,proximity, cataloged under National Stock Number 5930-01-599-1944, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Quantum Marine Engineering, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5930-01-599-1944
Primary Part Number
521-01-004000-00-04 A
Item Name
Switch,proximity
FSC / FSG
5930 / 59 — Switches
Manufacturer
Quantum Marine Engineering, Inc.
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
⇄Related Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5330-01-599-2315323-01-215023POSSIBLE MATCH
SEAL,PLAIN ENCASED
Possible match (shared part number)Quantum Marine Engineering, Inc.
5330-01-599-2327403-15-150180POSSIBLE MATCH
SEAL,PLAIN
Possible match (shared part number)Quantum Marine Engineering, Inc.
5331-01-599-2336401-70-239057POSSIBLE MATCH
O-RING
Possible match (shared part number)Quantum Marine Engineering, Inc.
5331-01-599-2353401-70-008020POSSIBLE MATCH
O-RING
Possible match (shared part number)Quantum Marine Engineering, Inc.
5325-01-599-2882601-15-014000-00-00 APOSSIBLE MATCH
RING,RETAINING
Possible match (shared part number)Quantum Marine Engineering, Inc.
5330-01-599-2945601-15-019001-00-00 APOSSIBLE MATCH
RETAINER,SEAL
Possible match (shared part number)Quantum Marine Engineering, Inc.
NSN 5930-01-599-1944 is a Switch,proximity, manufactured by Quantum Marine Engineering, Inc., classified under FSC 5930, Switches. Status: active.
What part numbers are listed for NSN 5930-01-599-1944?
NSN 5930-01-599-1944 has 1 manufacturer part number on file: 521-01-004000-00-04 A (Quantum Marine Engineering, Inc.).
What NSN replaces 5930-01-599-1944?
6 possible matches (shared part number, not a government interchangeability claim): 5330-01-599-2315, 5330-01-599-2327, 5331-01-599-2336. Verify interchangeability with system specifications before substitution.
What are the specifications of 521-01-004000-00-04 A?
Key specifications for 521-01-004000-00-04 A: Part Name Assigned by Controlling Agency: SENSOR,FIN ANGLE; End Item Identification: HULL UNIT, STABILIZER;SENTINEL CLASS FRC-B. 0 specifications are documented in the U.S. Government catalog.
Is NSN 5930-01-599-1944 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.