PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-A-55485/2Mounting Pad,electrical-Electron

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 5999-01-064-9543 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-064-9543 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-064-9543. Primary manufacturer part number: A-A-55485/2.
Features
  • Mounting Pad,electrical-Electron — FSC 5999
  • Material: PLASTIC DIALLYL PHTHALATE
  • Overall Diameter: 0.355 INCHES NOMINAL IN
  • Mounting Facility Type and Quantity: 8 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
  • Unthreaded Mounting Hole Diameter: 0.045 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Material Document and Classification: MIL-M-14,TYPE SDG MIL SPEC SINGLE MATERIAL RESPONSE
  • Color: NATURAL
  • Body Style: DISK
Applications
  • Applications requiring Plastic Diallyl Phthalate construction
General Description

The Mounting Pad,electrical-Electron, cataloged under National Stock Number 5999-01-064-9543, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 28 commercial cross-references from 15 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
NSN5999-01-064-9543
Primary Part NumberA-A-55485/2
Item NameMounting Pad,electrical-Electron
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusCANCELLED
MaterialPLASTIC DIALLYL PHTHALATE
Overall Diameter0.355 INCHES NOMINAL IN
Mounting Facility Type and Quantity8 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Unthreaded Mounting Hole Diameter0.045 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Material Document and ClassificationMIL-M-14,TYPE SDG MIL SPEC SINGLE MATERIAL RESPONSE
ColorNATURAL
Body StyleDISK
MaterialPLASTIC DIALLYL PHTHALATE
Overall Diameter0.355 INCHES NOMINAL IN
Mounting Facility Type and Quantity8 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Unthreaded Mounting Hole Diameter0.045 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Material Document and ClassificationMIL-M-14,TYPE SDG MIL SPEC SINGLE MATERIAL RESPONSE
ColorNATURAL
Body StyleDISK
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor6625-00-402-6064 (10230)
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeDZ
Weight0.0050 lbs
Cube0.0012 cu ft
Verified Substitutes 12
6625-00-402-606410230 SUCCESSOR
Voltmeter
Simpson Electric Company, Inc.
Wire Mesh,knitted
5998-01-224-519110230 SUCCESSOR
Circuit Card Assembly
Exelis Inc.
Mounting Pad,electrical-Electron
5365-00-105-9657103502 INTERCHANGEABLE
Spacer,plate
Astronautics Corporation of America
3110-00-156-506210230 INTERCHANGEABLE
Bearing,ball,annular
Acf Industries Inc
5961-00-163-4022F2354 INTERCHANGEABLE
Semiconductor Device,diode
General Semiconductor Inc
3455-00-194-052310230 INTERCHANGEABLE
Cutter,milling,plain
Niagara Cutter Inc
8040-00-209-134610-4002-0000 INTERCHANGEABLE
Adhesive
Gc/waldom Inc
6810-00-264-6508 INTERCHANGEABLE
Oxalic Acid
Cross-Reference Index
Part NumberManufacturer
A-A-55485/2 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
3154187 Naval Sea Systems Command (USA)
990315-1 Ross Milton Co the (USA)
A-A-55485/02 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
019029-9D Sci Systems Inc (USA)
10139446 Nimikkeistokeskus Ncb Finland (FIN)
10350-2 Globe Plastics, Inc. (USA)
M38527/02-05D Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
571-001-004 Navcom Defense Electronics, Inc. (USA)
4594W93P003 Ametek Inc Div Aerospace and Defense (USA)
MIL-M-38527/02 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
A-55485/02-005D Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
M38527-1-15B1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
945898-2052 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
M38527/02-005D Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
715801-8 Raytheon Company Div Rmd Strategic (USA)
990315-1 L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA)
M38527/02-005N Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M38527/2-05D Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M38527/2-5 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
SUCCESSOR 6625-00-402-6064 Voltmeter · 10230
5999-00-840-4442SUCCESSOR
WIRE MESH,KNITTED
5998-01-224-5191SUCCESSOR
CIRCUIT CARD ASSEMBLY
10230
5999-01-240-1382SUCCESSOR
MOUNTING PAD,ELECTRICAL-ELECTRON
5365-00-105-9657INTERCHANGEABLE
SPACER,PLATE
103502
3110-00-156-5062INTERCHANGEABLE
BEARING,BALL,ANNULAR
10230
5961-00-163-4022INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
F2354
3455-00-194-0523INTERCHANGEABLE
CUTTER,MILLING,PLAIN
10230
8040-00-209-1346INTERCHANGEABLE
ADHESIVE
10-4002-0000
6810-00-264-6508INTERCHANGEABLE
OXALIC ACID
5133-00-277-6942INTERCHANGEABLE
DRILL,TWIST
1302 57/64
5999-00-279-7999INTERCHANGEABLE
CLIP,ELECTRICAL
104002

Frequently Asked Questions

What is NSN 5999-01-064-9543?

NSN 5999-01-064-9543 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 5999-01-064-9543?

NSN 5999-01-064-9543 has 28 cross-referenced part numbers: A-A-55485/2 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 3154187 (Naval Sea Systems Command), 990315-1 (Ross Milton Co the), A-A-55485/02 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 019029-9D (Sci Systems Inc) and 23 more.

What NSN replaces 5999-01-064-9543?

There are 12 known substitutes for 5999-01-064-9543: 6625-00-402-6064, 5999-00-840-4442, 5998-01-224-5191 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-A-55485/2?

Key specifications for A-A-55485/2: End Item Identification: MISSILE MINUTEMAN LGM-30; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); Material: PLASTIC DIALLYL PHTHALATE; Overall Diameter: 0.355 INCHES NOMINAL IN; Mounting Facility Type and Quantity: 8 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5999-01-064-9543 still in active supply?

NSN 5999-01-064-9543 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.
PartsTable Design LLC · partstable.com