PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DF31AMounting Pad,electrical-Electron

Reliance Mica Company, Inc. · NSN 5999-00-136-3937 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-136-3937 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-136-3937. Primary manufacturer part number: DF31A.
Features
  • Mounting Pad,electrical-Electron — FSC 5999
  • 2 verified cross-references
  • Primary manufacturer: Reliance Mica Company, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Mounting Pad,electrical-Electron, cataloged under National Stock Number 5999-00-136-3937, 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 Reliance Mica Company, Inc.. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-136-3937
Primary Part NumberDF31A
Item NameMounting Pad,electrical-Electron
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerReliance Mica Company, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJZ
Weight0.0700 lbs
Cube0.0019 cu ft
Verified Substitutes 6
5970-00-023-62469287758 INTERCHANGEABLE
Insulator,plate
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament
5970-00-290-99412270150-0001 INTERCHANGEABLE
Insulator,plate
Honeywell Intl Inc Defense Avionics Systems
5970-00-426-1054 INTERCHANGEABLE
Insulator,plate
5970-00-488-7128DF31A INTERCHANGEABLE
Insulator,plate
Magnetic Shield Corp
5310-01-064-7368 INTERCHANGEABLE
Washer,mica,transis
5970-01-309-2137DF31A INTERCHANGEABLE
Insulator,washer
Renesas Electronics America Inc
Cross-Reference Index
Part NumberManufacturer
DF31A PRIMARY Reliance Mica Company, Inc. (USA)
195725-000 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
Related Parts
5970-00-023-6246INTERCHANGEABLE
INSULATOR,PLATE
9287758
5970-00-290-9941INTERCHANGEABLE
INSULATOR,PLATE
2270150-0001
5970-00-426-1054INTERCHANGEABLE
INSULATOR,PLATE
5970-00-488-7128INTERCHANGEABLE
INSULATOR,PLATE
DF31A
5310-01-064-7368INTERCHANGEABLE
WASHER,MICA,TRANSIS
5970-01-309-2137INTERCHANGEABLE
INSULATOR,WASHER
DF31A

Frequently Asked Questions

What is NSN 5999-00-136-3937?

NSN 5999-00-136-3937 is a Mounting Pad,electrical-Electron, manufactured by Reliance Mica Company, Inc., classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-136-3937?

NSN 5999-00-136-3937 has 2 cross-referenced part numbers: DF31A (Reliance Mica Company, Inc.), 195725-000 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems).

What NSN replaces 5999-00-136-3937?

There are 6 known substitutes for 5999-00-136-3937: 5970-00-023-6246, 5970-00-290-9941, 5970-00-426-1054 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of DF31A?

Key specifications for DF31A: Special Features: MICA; 1.344 IN. LG; 0.781 IN. W; 0.004 IN. THK; TWO 0.156 IN. DIA MTG HOLES SPACED 0.969 IN. C TO C; TWO 0.031 IN. DIA TERMINAL LEAD ACCOMODATING HOLES IN; Special Features: MICA; 1.344 IN. LG; 0.781 IN. W; 0.004 IN. THK; TWO 0.156 IN. DIA MTG HOLES SPACED 0.969 IN. C TO C; TWO 0.031 IN. DIA TERMINAL LEAD ACCOMODATING HOLES IN. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com