PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

218CB9231Cap,electrical

Chief of Engineers Dept of Army · NSN 5999-00-283-3998 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-283-3998 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-283-3998. Primary manufacturer part number: 218CB9231.
Features
  • Cap,electrical — FSC 5999
  • Diameter: 4.078 INCHES NOMINAL IN
  • Chain: NOT INCLUDED
  • Hole Spacing: SPACED 3 IN. C TO C IN
  • Mounting Method: BOLT
  • Insert: NOT INCLUDED
  • Hole Diameter: 0.177 INCHES NOMINAL IN
  • Fastening Facility: BOSSED EDGE
Applications
  • Applications requiring Iron Alloy or Steel Body construction
General Description

The Cap,electrical, cataloged under National Stock Number 5999-00-283-3998, 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 Chief of Engineers Dept of Army. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 26 commercial cross-references from 22 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5999-00-283-3998
Primary Part Number218CB9231
Item NameCap,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerChief of Engineers Dept of Army
StatusCANCELLED
Diameter4.078 INCHES NOMINAL IN
ChainNOT INCLUDED
Hole SpacingSPACED 3 IN. C TO C IN
Mounting MethodBOLT
InsertNOT INCLUDED
Hole Diameter0.177 INCHES NOMINAL IN
Fastening FacilityBOSSED EDGE
Usage DesignDOOR FOR TAIL LIGHT AND STOP LIGHT
Length0.969 INCHES NOMINAL IN
Surface TreatmentENAMEL
MaterialIRON ALLOY OR STEEL BODY
Bolt Hole Quantity2
Diameter4.078 INCHES NOMINAL IN
ChainNOT INCLUDED
Hole SpacingSPACED 3 IN. C TO C IN
Mounting MethodBOLT
InsertNOT INCLUDED
Hole Diameter0.177 INCHES NOMINAL IN
Fastening FacilityBOSSED EDGE
Usage DesignDOOR FOR TAIL LIGHT AND STOP LIGHT
Length0.969 INCHES NOMINAL IN
Surface TreatmentENAMEL
MaterialIRON ALLOY OR STEEL BODY
Bolt Hole Quantity2
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor6625-01-201-0621 (9231)
HAZMATNo
Verified Substitutes 12
6625-01-201-06219231 SUCCESSOR
Voltmeter
Boonton Electronics Corporation Div Boonton Electronics
5998-01-238-25791395AS246-3 SUCCESSOR
Retainer-Ejector,electrical Card
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
6145-01-269-73979231 SUCCESSOR
Cable,radio Frequency
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
6145-01-423-44762461C SUCCESSOR
Cable,special Purpose,electrical
Belden, Inc.
6625-01-495-928833442-90004-10 SUCCESSOR
Counter,electronic,digital Reado
Textron Systems Corporation Dba Textron Systems Corp
6625-01-569-11154038 SUCCESSOR
Absorber,radio Frequency Radiati
Laird R & F Products, Inc.
3895-00-090-0434 INTERCHANGEABLE
Distributor,bituminous Material,
5305-00-149-987821329-632-9 INTERCHANGEABLE
Screw,machine
Naval Air Warfare Center Aircraft Division Joint Base Jbmdl
5905-00-161-717691J2R2 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
6810-00-163-7632 INTERCHANGEABLE
Dioxane
Cross-Reference Index
Part NumberManufacturer
3109357 Gerstenlager Co the (USA)
218CB9231 PRIMARY Chief of Engineers Dept of Army (USA)
5930056 PRIMARY General Motors Corp (USA)
18S244 Strick Trailer Co (USA)
396370 White Motor Corp (USA)
R21381 Pressed Metals of America Inc (USA)
5933056 General Motors Corp (USA)
18S2444 Strick Trailer Co (USA)
5933056 General Motors Corp Fisher Guide Div (USA)
4038 Ktm 2 Llc Dba Arrow Safety Device Company (USA)
102721 Lenard Packaging Co Inc the (USA)
X2461 Rivinius Inc Littleford Machinery Div (USA)
126724 Brockway Motor Trucks Div of Mack Trucks Inc (USA)
D60 Hall C M Lamp Co (USA)
16WC0632 Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA)
9231 Wico-Prestolite Co the Div of Eltra Corp (USA)
16T1879 Great Dane Trailers Inc (USA)
16T1879 PRIMARY Chief of Engineers Dept of Army (USA)
2461 PRIMARY Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations (USA)
2461 Concord Instruments Corp (USA)
Related Parts
SUCCESSOR 6625-01-201-0621 Voltmeter · 9231
5998-01-238-2579SUCCESSOR
RETAINER-EJECTOR,ELECTRICAL CARD
1395AS246-3
6145-01-269-7397SUCCESSOR
CABLE,RADIO FREQUENCY
9231
6145-01-423-4476SUCCESSOR
CABLE,SPECIAL PURPOSE,ELECTRICAL
2461C
6625-01-495-9288SUCCESSOR
COUNTER,ELECTRONIC,DIGITAL READO
33442-90004-10
6625-01-569-1115SUCCESSOR
ABSORBER,RADIO FREQUENCY RADIATI
4038
3895-00-090-0434INTERCHANGEABLE
DISTRIBUTOR,BITUMINOUS MATERIAL,
5305-00-149-9878INTERCHANGEABLE
SCREW,MACHINE
21329-632-9
5905-00-161-7176INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
91J2R2
6810-00-163-7632INTERCHANGEABLE
DIOXANE
1680-00-167-2082INTERCHANGEABLE
FITTING
9231
6810-00-174-6592INTERCHANGEABLE
DIOXANE

Frequently Asked Questions

What is NSN 5999-00-283-3998?

NSN 5999-00-283-3998 is a Cap,electrical, manufactured by Chief of Engineers Dept of Army, classified under FSC 5999 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5999-00-283-3998?

NSN 5999-00-283-3998 has 26 cross-referenced part numbers: 3109357 (Gerstenlager Co the), 218CB9231 (Chief of Engineers Dept of Army), 5930056 (General Motors Corp), 18S244 (Strick Trailer Co), 396370 (White Motor Corp) and 21 more.

What NSN replaces 5999-00-283-3998?

There are 12 known substitutes for 5999-00-283-3998: 6625-01-201-0621, 5998-01-238-2579, 6145-01-269-7397 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 218CB9231?

Key specifications for 218CB9231: Diameter: 4.078 INCHES NOMINAL IN; Chain: NOT INCLUDED; Hole Spacing: SPACED 3 IN. C TO C IN; Mounting Method: BOLT. 24 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5999-00-283-3998 still in active supply?

NSN 5999-00-283-3998 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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