FSG: 58 — Communication, Detection, and Coherent Radiation Equipment
General Description
The Variable Standing W, cataloged under National Stock Number 5845-01-037-9525, is classified within Federal Supply Class 5845 (Underwater Sound Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Variable Standing W
FSC / FSG
5845 — Underwater Sound Equipment (FSG 58)
Technical Specifications
Parameter
Value
NSN
5845-01-037-9525
Item Name
Variable Standing W
FSC / FSG
5845 / 58 — Underwater Sound Equipment
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL B — Remove Demilitarization Key Points
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5905-01-055-3734153C5571POSSIBLE MATCH
RESISTOR,VARIABLE,NONWIRE WOUND,
Possible match (shared part number)Bae Systems Controls Inc.
3020-01-193-433613226E1722POSSIBLE MATCH
SPROCKET WHEEL
Possible match (shared part number)Cecom Lr Center
6645-01-356-82528171POSSIBLE MATCH
SYNCHRONIZED CLOCK
Possible match (shared part number)Safran Trusted 4d Inc.
6220-01-582-6945POSSIBLE MATCH
LIGHT,INDICATOR
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
81-7-1
C/1Advisory reference — outside the item-of-supply concept
U.S. Government activity
D81-7-1
3/2Design control — primary reference
U.S. Government activity
Related Parts
5905-01-055-3734POSSIBLE MATCH
RESISTOR,VARIABLE,NONWIRE WOUND,
153C5571
3020-01-193-4336POSSIBLE MATCH
SPROCKET WHEEL
13226E1722
6645-01-356-8252POSSIBLE MATCH
SYNCHRONIZED CLOCK
8171
6220-01-582-6945POSSIBLE MATCH
LIGHT,INDICATOR
Frequently Asked Questions
What is NSN 5845-01-037-9525?
NSN 5845-01-037-9525 is a Variable Standing W, classified under FSC 5845, Underwater Sound Equipment. Status: active.
What NSN replaces 5845-01-037-9525?
4 possible matches (shared part number, not a government interchangeability claim): 5905-01-055-3734, 3020-01-193-4336, 6645-01-356-8252. Verify interchangeability with system specifications before substitution.
Is NSN 5845-01-037-9525 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 5845-01-037-9525?
NSN 5845-01-037-9525 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.