PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3591Fuseholder,block

Cooper Bussmann, Llc Dba Cooper Industries · NSN 5920-01-532-5395 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-01-532-5395 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-532-5395. Primary manufacturer part number: 3591.
Features
  • Fuseholder,block — FSC 5920
  • Base Thickness: 0.375 INCHES NOMINAL IN
  • Mounting Hole Quantity: 2
  • Terminal Type and Quantity: 2 THREADED STUD
  • Internal Circuit Configuration and Pole Quantity: 1 POLE, MAINLINE, FUSED
  • Center to Center Distance Between Fuse Contacts: 4.375 INCHES NOMINAL IN
  • Fuse Accommodation Quantity: 1
  • Body Style: OPEN TYPE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Fuseholder,block, cataloged under National Stock Number 5920-01-532-5395, 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 Cooper Bussmann, Llc Dba Cooper Industries. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5920-01-532-5395
Primary Part Number3591
Item NameFuseholder,block
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerCooper Bussmann, Llc Dba Cooper Industries
StatusACTIVE
Base Thickness0.375 INCHES NOMINAL IN
Mounting Hole Quantity2
Terminal Type and Quantity2 THREADED STUD
Internal Circuit Configuration and Pole Quantity1 POLE, MAINLINE, FUSED
Center to Center Distance Between Fuse Contacts4.375 INCHES NOMINAL IN
Fuse Accommodation Quantity1
Body StyleOPEN TYPE
Mounting Hole Diameter0.219 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2805-00-146-216702101 INTERCHANGEABLE
Guide,valve Stem
Safeguard Powertech Systems
9150-00-255-4444 INTERCHANGEABLE
Hydraulic Fluid,petroleum Base
5985-00-257-26277900-041 INTERCHANGEABLE
Counterpoise,antenna
Bird Electronic Corporation Div Bird Electronic Corp
6625-00-272-9928338DB INTERCHANGEABLE
Ammeter
Stewart-Warner Corporation
5330-00-292-1596A1805A53 INTERCHANGEABLE
Seal,plain Encased
Meritor Heavy Vehicle Systems, Llc
5365-00-430-93163591 INTERCHANGEABLE
Shim
Dressta North America Ltd
8010-00-579-9530 INTERCHANGEABLE
Paint,latex
4730-00-769-3961A-13563 INTERCHANGEABLE
Coupling,tube
Mueller Brass Co.
5950-00-910-92466140042-4 INTERCHANGEABLE
Transformer,radio Frequency
Viking Technologies, Ltd.
5340-00-985-6605 INTERCHANGEABLE
Cover,access
Cross-Reference Index
Part NumberManufacturer
D-55097 ITEM NO.3 Chromalox, Inc. Div Chromalox (USA)
3591 PRIMARY Cooper Bussmann, Llc Dba Cooper Industries (USA)
8643-05013 Chromalox, Inc. Div Chromalox (USA)
Related Parts
2805-00-146-2167INTERCHANGEABLE
GUIDE,VALVE STEM
02101
9150-00-255-4444INTERCHANGEABLE
HYDRAULIC FLUID,PETROLEUM BASE
5985-00-257-2627INTERCHANGEABLE
COUNTERPOISE,ANTENNA
7900-041
6625-00-272-9928INTERCHANGEABLE
AMMETER
338DB
5330-00-292-1596INTERCHANGEABLE
SEAL,PLAIN ENCASED
A1805A53
5365-00-430-9316INTERCHANGEABLE
SHIM
3591
8010-00-579-9530INTERCHANGEABLE
PAINT,LATEX
4730-00-769-3961INTERCHANGEABLE
COUPLING,TUBE
A-13563
5950-00-910-9246INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
6140042-4
5340-00-985-6605INTERCHANGEABLE
COVER,ACCESS
4920-01-156-4190INTERCHANGEABLE
COVER
B3591
8030-01-273-3839INTERCHANGEABLE
HARDENER,COATING COMPOUND
359-1

Frequently Asked Questions

What is NSN 5920-01-532-5395?

NSN 5920-01-532-5395 is a Fuseholder,block, manufactured by Cooper Bussmann, Llc Dba Cooper Industries, classified under FSC 5920 (No Item Name Available). Status: active.

What are the part numbers for NSN 5920-01-532-5395?

NSN 5920-01-532-5395 has 3 cross-referenced part numbers: D-55097 ITEM NO.3 (Chromalox, Inc. Div Chromalox), 3591 (Cooper Bussmann, Llc Dba Cooper Industries), 8643-05013 (Chromalox, Inc. Div Chromalox).

What NSN replaces 5920-01-532-5395?

There are 12 known substitutes for 5920-01-532-5395: 2805-00-146-2167, 9150-00-255-4444, 5985-00-257-2627 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3591?

Key specifications for 3591: Overall Length: 6.125 INCHES NOMINAL IN; Base Thickness: 0.375 INCHES NOMINAL IN; Mounting Hole Quantity: 2; Overall Width: 2.250 INCHES NOMINAL IN. 12 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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