PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MQ250Fuse,special

Bel Fuse Inc · NSN 5920-01-422-0177 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-01-422-0177 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-422-0177. Primary manufacturer part number: MQ250.
Features
  • Fuse,special — FSC 5920
  • 3 verified cross-references
  • Primary manufacturer: Bel Fuse Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Fuse,special, cataloged under National Stock Number 5920-01-422-0177, is classified within Federal Supply Class 5920 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Bel Fuse Inc. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5920-01-422-0177
Primary Part NumberMQ250
Item NameFuse,special
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerBel Fuse Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5133-00-228-1336 INTERCHANGEABLE
Drill,twist
1680-00-449-116025125 INTERCHANGEABLE
Trigger,flap Actuat
Honeywell International Inc. Div Aerospace - Torrance
4820-01-063-59717486 INTERCHANGEABLE
Disk,rupturable
Tyco Fire Products Lp
4820-01-313-542725125 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Tyco Fire Products Lp
4720-01-537-9840 INTERCHANGEABLE
Hose Assembly,nonmetallic
6515-01-608-4335E10996 INTERCHANGEABLE
Syringe,hypodermic
Automedx, Llc
Cross-Reference Index
Part NumberManufacturer
MQ250 Bel Fuse Inc (USA)
182881-004 Harris Corp Transcomm Div (USA)
251.25 Littelfuse, Inc. (USA)
Related Parts
5133-00-228-1336INTERCHANGEABLE
DRILL,TWIST
1680-00-449-1160INTERCHANGEABLE
TRIGGER,FLAP ACTUAT
25125
4820-01-063-5971INTERCHANGEABLE
DISK,RUPTURABLE
7486
4820-01-313-5427INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
25125
4720-01-537-9840INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
6515-01-608-4335INTERCHANGEABLE
SYRINGE,HYPODERMIC
E10996

Frequently Asked Questions

What is NSN 5920-01-422-0177?

NSN 5920-01-422-0177 is a Fuse,special, manufactured by Bel Fuse Inc, classified under FSC 5920 (No Item Name Available). Status: active.

What are the part numbers for NSN 5920-01-422-0177?

NSN 5920-01-422-0177 has 3 cross-referenced part numbers: MQ250 (Bel Fuse Inc), 182881-004 (Harris Corp Transcomm Div), 251.25 (Littelfuse, Inc.).

What NSN replaces 5920-01-422-0177?

There are 6 known substitutes for 5920-01-422-0177: 5133-00-228-1336, 1680-00-449-1160, 4820-01-063-5971 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MQ250?

Key specifications for MQ250: End Item Identification: VOICE SWITCHING AND CONTROL SYSTEM (VSCS). 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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