PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NL62555-1ISSUEACap,electrical

L3harris Technologies, Inc. Dba Harris Corporation · NSN 5999-00-549-5721 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-549-5721 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-549-5721. Primary manufacturer part number: NL62555-1ISSUEA.
Features
  • Cap,electrical — FSC 5999
  • Material: COPPER ALLOY INSERT
  • Material: RUBBER BODY
  • Usage Design: PROTECTS SWITCH
  • Length: 0.313 INCHES NOMINAL IN
  • Mounting Method: THREAD
  • Diameter: 0.656 INCHES NOMINAL IN
  • Thread Size: 15/32 IN.-32 IN
Applications
  • Applications requiring Copper Alloy Insert construction
General Description

The Cap,electrical, cataloged under National Stock Number 5999-00-549-5721, 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 L3harris Technologies, Inc. Dba Harris Corporation. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5999-00-549-5721
Primary Part NumberNL62555-1ISSUEA
Item NameCap,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerL3harris Technologies, Inc. Dba Harris Corporation
StatusACTIVE
MaterialCOPPER ALLOY INSERT
MaterialRUBBER BODY
Usage DesignPROTECTS SWITCH
Length0.313 INCHES NOMINAL IN
Mounting MethodTHREAD
Diameter0.656 INCHES NOMINAL IN
Thread Size15/32 IN.-32 IN
ChainNOT INCLUDED
InsertINCLUDED
MaterialCOPPER ALLOY INSERT
MaterialRUBBER BODY
Usage DesignPROTECTS SWITCH
Length0.313 INCHES NOMINAL IN
Mounting MethodTHREAD
Diameter0.656 INCHES NOMINAL IN
Thread Size15/32 IN.-32 IN
ChainNOT INCLUDED
InsertINCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
1650-00-070-8565200540177-10 INTERCHANGEABLE
Parts Kit,linear Actuating Cylin
Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force
1660-00-462-035971116 INTERCHANGEABLE
Stop,poppet,regulator
Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
5996-00-467-142971116 INTERCHANGEABLE
Amplifier,direct Current
Drs Signal Solutions, Inc.
2920-00-900-816371116 INTERCHANGEABLE
Holder and Stud Assembly,brush,a
Prestolite Electric Inc
5905-01-472-5965593-6961300 ASSY 97 INTERCHANGEABLE
Resistor,thermal
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
NL62555-1ISSUEA Itt Industries Inc Itt Aerospace Communications Div East (USA)
NL62555-1ISSUEA PRIMARY L3harris Technologies, Inc. Dba Harris Corporation (USA)
71-1-16 PRIMARY Allard Nazarian Group, Inc. Dba Granite State Manufacturing (USA)
HA2475B Dowty Rfl Industries Inc (USA)
Related Parts
1650-00-070-8565INTERCHANGEABLE
PARTS KIT,LINEAR ACTUATING CYLIN
200540177-10
1660-00-462-0359INTERCHANGEABLE
STOP,POPPET,REGULATOR
71116
5996-00-467-1429INTERCHANGEABLE
AMPLIFIER,DIRECT CURRENT
71116
2920-00-900-8163INTERCHANGEABLE
HOLDER AND STUD ASSEMBLY,BRUSH,A
71116
5905-01-472-5965INTERCHANGEABLE
RESISTOR,THERMAL
593-6961300 ASSY 97

Frequently Asked Questions

What is NSN 5999-00-549-5721?

NSN 5999-00-549-5721 is a Cap,electrical, manufactured by L3harris Technologies, Inc. Dba Harris Corporation, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-549-5721?

NSN 5999-00-549-5721 has 4 cross-referenced part numbers: NL62555-1ISSUEA (Itt Industries Inc Itt Aerospace Communications Div East), NL62555-1ISSUEA (L3harris Technologies, Inc. Dba Harris Corporation), 71-1-16 (Allard Nazarian Group, Inc. Dba Granite State Manufacturing), HA2475B (Dowty Rfl Industries Inc).

What NSN replaces 5999-00-549-5721?

There are 5 known substitutes for 5999-00-549-5721: 1650-00-070-8565, 1660-00-462-0359, 5996-00-467-1429 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NL62555-1ISSUEA?

Key specifications for NL62555-1ISSUEA: Material: COPPER ALLOY INSERT; Material: RUBBER BODY; Usage Design: PROTECTS SWITCH; Length: 0.313 INCHES NOMINAL IN. 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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