PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-A-55485/6Mounting Pad,electrical-Electron

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 5999-01-199-9138 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-199-9138 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-199-9138. Primary manufacturer part number: A-A-55485/6.
Features
  • Mounting Pad,electrical-Electron — FSC 5999
  • Mounting Facility Type and Quantity: 5 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
  • Unthreaded Mounting Hole Diameter: 0.060 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Material: PLASTIC DIALLYL PHTHALATE
  • Test Data Document: 58536-A-A-55485 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
  • Specification/standard Data: 58536-A-A-55485/6 GOVERNMENT SPECIFICATION
  • Mounting Facility Type and Quantity: 5 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
  • Unthreaded Mounting Hole Diameter: 0.060 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Applications
  • Applications requiring Plastic Diallyl Phthalate construction
General Description

The Mounting Pad,electrical-Electron, cataloged under National Stock Number 5999-01-199-9138, 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 Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-199-9138
Primary Part NumberA-A-55485/6
Item NameMounting Pad,electrical-Electron
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusCANCELLED
Mounting Facility Type and Quantity5 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Unthreaded Mounting Hole Diameter0.060 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
MaterialPLASTIC DIALLYL PHTHALATE
Test Data Document58536-A-A-55485 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Specification/standard Data58536-A-A-55485/6 GOVERNMENT SPECIFICATION
Mounting Facility Type and Quantity5 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Unthreaded Mounting Hole Diameter0.060 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
MaterialPLASTIC DIALLYL PHTHALATE
Test Data Document58536-A-A-55485 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Specification/standard Data58536-A-A-55485/6 GOVERNMENT SPECIFICATION
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor5999-01-394-5828
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Verified Substitutes 12
No Item Name Available
Mounting Pad,electrical-Electron
Mounting Pad,electrical-Electron
Mounting Pad,electrical-Electron
Mounting Pad,electrical-Electron
Mounting Pad,electrical-Electron
Mounting Pad,electrical-Electron
Mounting Pad,electrical-Electron
Mounting Pad,electrical-Electron
Mounting Pad,electrical-Electron
Cross-Reference Index
Part NumberManufacturer
A-A-55485/6 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-55485/06-014D Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
MIL-M-38527/7 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-M-38527/6 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M38527/06-014D Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
SUCCESSOR 5999-01-394-5828 Mounting Pad,electrical-Electron
5999-01-074-0656SUCCESSOR
NO ITEM NAME AVAILABLE
5999-01-295-6496SUCCESSOR
MOUNTING PAD,ELECTRICAL-ELECTRON
5999-01-301-2416SUCCESSOR
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5999-01-088-3081SUCCESSOR
MOUNTING PAD,ELECTRICAL-ELECTRON
5999-01-199-2863SUCCESSOR
MOUNTING PAD,ELECTRICAL-ELECTRON
5999-01-200-4117SUCCESSOR
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5999-01-372-3663SUCCESSOR
MOUNTING PAD,ELECTRICAL-ELECTRON
5999-01-383-2027SUCCESSOR
MOUNTING PAD,ELECTRICAL-ELECTRON
5999-01-400-0809SUCCESSOR
MOUNTING PAD,ELECTRICAL-ELECTRON
5999-01-466-0841SUCCESSOR
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5999-01-501-5103SUCCESSOR
MOUNTING PAD,ELECTRICAL-ELECTRON

Frequently Asked Questions

What is NSN 5999-01-199-9138?

NSN 5999-01-199-9138 is a Mounting Pad,electrical-Electron, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 5999 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5999-01-199-9138?

NSN 5999-01-199-9138 has 5 cross-referenced part numbers: A-A-55485/6 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A-55485/06-014D (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), MIL-M-38527/7 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-M-38527/6 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M38527/06-014D (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5999-01-199-9138?

There are 12 known substitutes for 5999-01-199-9138: 5999-01-074-0656, 5999-01-295-6496, 5999-01-301-2416 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-A-55485/6?

Key specifications for A-A-55485/6: Overall Length: 0.350 INCHES NOMINAL IN; Overall Width: 0.350 INCHES NOMINAL IN; Mounting Facility Type and Quantity: 5 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Unthreaded Mounting Hole Diameter: 0.060 INCHES NOMINAL SINGLE MOUNTING FACILITY IN. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5999-01-199-9138 still in active supply?

NSN 5999-01-199-9138 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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