PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CYB4CCap,electrical

Souriau Usa, Inc. Dba Souriau Usa Inc · NSN 5999-00-846-1521 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-846-1521 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-846-1521. Primary manufacturer part number: CYB4C.
Features
  • Cap,electrical — FSC 5999
  • FSC Application Data: CAP,ELECTRICAL,MULTIAPPLICATION
  • Material: PLASTIC BODY
  • Length: 1.386 INCHES NOMINAL IN
  • Diameter: 0.575 INCHES NOMINAL IN
  • Chain: NOT INCLUDED
  • Mounting Method: SPRING TENSION
  • Insert: NOT INCLUDED
Applications
  • Applications requiring Plastic Body construction
General Description

The Cap,electrical, cataloged under National Stock Number 5999-00-846-1521, 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 Souriau Usa, Inc. Dba Souriau Usa Inc. Government technical data includes 14 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-846-1521
Primary Part NumberCYB4C
Item NameCap,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerSouriau Usa, Inc. Dba Souriau Usa Inc
StatusACTIVE
FSC Application DataCAP,ELECTRICAL,MULTIAPPLICATION
MaterialPLASTIC BODY
Length1.386 INCHES NOMINAL IN
Diameter0.575 INCHES NOMINAL IN
ChainNOT INCLUDED
Mounting MethodSPRING TENSION
InsertNOT INCLUDED
FSC Application DataCAP,ELECTRICAL,MULTIAPPLICATION
MaterialPLASTIC BODY
Length1.386 INCHES NOMINAL IN
Diameter0.575 INCHES NOMINAL IN
ChainNOT INCLUDED
Mounting MethodSPRING TENSION
InsertNOT INCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5895-00-129-8693 (A269)
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Verified Substitutes 3
5895-00-129-8693A269 SUCCESSOR
Interconnecting Box
Lockheed Martin Corp
5340-00-124-5271A269 INTERCHANGEABLE
Bracket,mounting
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5360-00-359-095935747 INTERCHANGEABLE
Spring,helical,compression
New Venture Gear Inc New Process Gear Div
Cross-Reference Index
Part NumberManufacturer
CYB4C PRIMARY Souriau Usa, Inc. Dba Souriau Usa Inc (USA)
BP3592 Burke Products Inc (USA)
A-269 Burke Products Inc (USA)
Related Parts
SUCCESSOR 5895-00-129-8693 Interconnecting Box · A269
5340-00-124-5271INTERCHANGEABLE
BRACKET,MOUNTING
A269
5360-00-359-0959INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
35747

Frequently Asked Questions

What is NSN 5999-00-846-1521?

NSN 5999-00-846-1521 is a Cap,electrical, manufactured by Souriau Usa, Inc. Dba Souriau Usa Inc, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-846-1521?

NSN 5999-00-846-1521 has 3 cross-referenced part numbers: CYB4C (Souriau Usa, Inc. Dba Souriau Usa Inc), BP3592 (Burke Products Inc), A-269 (Burke Products Inc).

What NSN replaces 5999-00-846-1521?

There are 3 known substitutes for 5999-00-846-1521: 5895-00-129-8693, 5340-00-124-5271, 5360-00-359-0959. Verify interchangeability with system specifications before substitution.

What are the specifications of CYB4C?

Key specifications for CYB4C: FSC Application Data: CAP,ELECTRICAL,MULTIAPPLICATION; Material: PLASTIC BODY; Length: 1.386 INCHES NOMINAL IN; Diameter: 0.575 INCHES NOMINAL IN. 14 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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