PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HJMCap,electrical

Cooper Bussmann, Llc Dba Cooper Industries · NSN 5999-00-577-3689 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-577-3689 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-577-3689. Primary manufacturer part number: HJM.
Features
  • Cap,electrical — FSC 5999
  • Diameter: 0.688 INCHES NOMINAL IN
  • Material: STEEL INSERT
  • Material: PLASTIC BODY
  • Chain: NOT INCLUDED
  • Usage Design: CAP FOR FUSEHOLDER
  • Insert: INCLUDED
  • Mounting Method: TWIST LOCK
Applications
  • Applications requiring Steel Insert construction
General Description

The Cap,electrical, cataloged under National Stock Number 5999-00-577-3689, is classified within Federal Supply Class 5999 (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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-577-3689
Primary Part NumberHJM
Item NameCap,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerCooper Bussmann, Llc Dba Cooper Industries
StatusACTIVE
Diameter0.688 INCHES NOMINAL IN
MaterialSTEEL INSERT
MaterialPLASTIC BODY
ChainNOT INCLUDED
Usage DesignCAP FOR FUSEHOLDER
InsertINCLUDED
Mounting MethodTWIST LOCK
Length0.625 INCHES NOMINAL IN
Fastening FacilitySERRATED CATCH
Diameter0.688 INCHES NOMINAL IN
MaterialSTEEL INSERT
MaterialPLASTIC BODY
ChainNOT INCLUDED
Usage DesignCAP FOR FUSEHOLDER
InsertINCLUDED
Mounting MethodTWIST LOCK
Length0.625 INCHES NOMINAL IN
Fastening FacilitySERRATED CATCH
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Weight0.0700 lbs
Cube0.0059 cu ft
Verified Substitutes 5
5920-00-280-8331HJMHJLQW INTERCHANGEABLE
Fuseholder,extractor Post
Cooper Bussmann, Llc Dba Cooper Industries
5920-00-280-8340 INTERCHANGEABLE
Fuseholder,extractor Post
5920-00-284-7834 INTERCHANGEABLE
Fuseholder,extractor Post
5920-00-503-31632254475 INTERCHANGEABLE
Fuseholder,extractor Post
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5920-00-590-2928 INTERCHANGEABLE
Fuseholder,extractor Post
Cross-Reference Index
Part NumberManufacturer
HJM Cooper Bussmann, Llc Dba Cooper Industries (USA)
Related Parts
5920-00-280-8331INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
HJMHJLQW
5920-00-280-8340INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
5920-00-284-7834INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
5920-00-503-3163INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
2254475
5920-00-590-2928INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST

Frequently Asked Questions

What is NSN 5999-00-577-3689?

NSN 5999-00-577-3689 is a Cap,electrical, manufactured by Cooper Bussmann, Llc Dba Cooper Industries, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-577-3689?

NSN 5999-00-577-3689 has 1 cross-referenced part number: HJM (Cooper Bussmann, Llc Dba Cooper Industries).

What NSN replaces 5999-00-577-3689?

There are 5 known substitutes for 5999-00-577-3689: 5920-00-280-8331, 5920-00-280-8340, 5920-00-284-7834 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of HJM?

Key specifications for HJM: Diameter: 0.688 INCHES NOMINAL IN; Material: STEEL INSERT; Material: PLASTIC BODY; Chain: NOT INCLUDED. 18 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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