PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

591B1-1Cap,electrical

Cardwell Condenser Corp Lapointe-Admiral Div · NSN 5999-00-264-7968 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-264-7968 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-264-7968. Primary manufacturer part number: 591B1-1.
Features
  • Cap,electrical — FSC 5999
  • Thread Size: 7/16-20
  • Chain: NOT INCLUDED
  • Diameter: 0.437 INCHES NOMINAL IN
  • Insert: NOT INCLUDED
  • Length: 0.110 INCHES NOMINAL IN
  • Mounting Method: THREAD
  • Usage Design: CAP FOR BRUSH ASSY
Applications
  • Applications requiring Plastic Body construction
General Description

The Cap,electrical, cataloged under National Stock Number 5999-00-264-7968, 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 Cardwell Condenser Corp Lapointe-Admiral Div. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5999-00-264-7968
Primary Part Number591B1-1
Item NameCap,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerCardwell Condenser Corp Lapointe-Admiral Div
StatusACTIVE
Thread Size7/16-20
ChainNOT INCLUDED
Diameter0.437 INCHES NOMINAL IN
InsertNOT INCLUDED
Length0.110 INCHES NOMINAL IN
Mounting MethodTHREAD
Usage DesignCAP FOR BRUSH ASSY
MaterialPLASTIC BODY
Thread Size7/16-20
ChainNOT INCLUDED
Diameter0.437 INCHES NOMINAL IN
InsertNOT INCLUDED
Length0.110 INCHES NOMINAL IN
Mounting MethodTHREAD
Usage DesignCAP FOR BRUSH ASSY
MaterialPLASTIC BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6685-00-001-4183 INTERCHANGEABLE
Control,positioner
5935-00-201-23381891 INTERCHANGEABLE
Jack,tip
Entron Industries Limited Partnership Dba Entron Industries Property Div
4820-00-367-4867189-1 INTERCHANGEABLE
Cock,drain
Dresser Industries Inc Leroi Div
5360-00-455-71471891 INTERCHANGEABLE
Spring,helical,compression
Thompson Emery Machine & Supply Co
5331-00-515-55584036D28 INTERCHANGEABLE
O-Ring
Curtiss-Wright Controls, Inc. Div Actuation Division
5950-00-648-0777 INTERCHANGEABLE
Transformer,radio Frequency
6240-00-770-33721891 INTERCHANGEABLE
Lamp,incandescent
Gte Products Corp Sylvania Miniature Lighting Div
5935-00-814-5835GC810A8B INTERCHANGEABLE
Connector,plug,electrical
Northrop Grumman Systems Corporation
4820-00-969-27001891 INTERCHANGEABLE
Seat,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
5950-01-216-466614059 INTERCHANGEABLE
Transformer,power
Magnespec Inc
Cross-Reference Index
Part NumberManufacturer
A51147 Mutron Corp (USA)
591B1-1 PRIMARY Cardwell Condenser Corp Lapointe-Admiral Div (USA)
189-1 Goodrich Corporation Dba Trw Lucas Aerospace (USA)
Related Parts
6685-00-001-4183INTERCHANGEABLE
CONTROL,POSITIONER
5935-00-201-2338INTERCHANGEABLE
JACK,TIP
1891
4820-00-367-4867INTERCHANGEABLE
COCK,DRAIN
189-1
5360-00-455-7147INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
1891
5331-00-515-5558INTERCHANGEABLE
O-RING
4036D28
5950-00-648-0777INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
6240-00-770-3372INTERCHANGEABLE
LAMP,INCANDESCENT
1891
5935-00-814-5835INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
GC810A8B
4820-00-969-2700INTERCHANGEABLE
SEAT,VALVE
1891
5950-01-216-4666INTERCHANGEABLE
TRANSFORMER,POWER
14059
6750-01-379-7328INTERCHANGEABLE
PAPER,PHOTOGRAPHIC
5310-01-491-8812INTERCHANGEABLE
WASHER,FLAT
1891

Frequently Asked Questions

What is NSN 5999-00-264-7968?

NSN 5999-00-264-7968 is a Cap,electrical, manufactured by Cardwell Condenser Corp Lapointe-Admiral Div, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-264-7968?

NSN 5999-00-264-7968 has 3 cross-referenced part numbers: A51147 (Mutron Corp), 591B1-1 (Cardwell Condenser Corp Lapointe-Admiral Div), 189-1 (Goodrich Corporation Dba Trw Lucas Aerospace).

What NSN replaces 5999-00-264-7968?

There are 12 known substitutes for 5999-00-264-7968: 6685-00-001-4183, 5935-00-201-2338, 4820-00-367-4867 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 591B1-1?

Key specifications for 591B1-1: Thread Size: 7/16-20; Chain: NOT INCLUDED; End Item Identification: TYPE NO. PP-802/UPM-4A A; Special Features: COUNTER SINK AND TAPPED FOR NO 2-56 FLATHEAD SCREW IN CENTER OF CAP,NO 2-56 NUT AND SOLDER LUG MOUNT ON SCREW. 20 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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