PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AC3689Mounting Pad,electrical-Electron

Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company · NSN 5999-00-789-4473 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-789-4473 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-789-4473. Primary manufacturer part number: AC3689.
Features
  • Mounting Pad,electrical-Electron — FSC 5999
  • 5 verified cross-references
  • Primary manufacturer: Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
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 5999-00-789-4473, 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 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company. This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5999-00-789-4473
Primary Part NumberAC3689
Item NameMounting Pad,electrical-Electron
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Lockheed Martin Aeronautics Company
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Weight0.0100 lbs
Cube0.0010 cu ft
Verified Substitutes 12
No Item Name Available
5120-00-087-0697 INTERCHANGEABLE
Socket,socket Wrench
5950-00-087-7244668-0006-00 INTERCHANGEABLE
Reactor
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
6640-00-100-723510-316B INTERCHANGEABLE
Forceps,utility,laboratory
Fisher Scientific Company L.l.c.
4820-00-175-881310316 INTERCHANGEABLE
Disk,valve
Northrop Grumman Systems Corporation Div Marine Systems
5330-00-292-1581PGF3216 INTERCHANGEABLE
Seal,plain Encased
Volvo Construction Equipment North America, Llc
3040-00-392-7909SM-C-157434 INTERCHANGEABLE
Lever,manual Control
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3110-00-554-3291 INTERCHANGEABLE
Bearing,ball,annular
4935-00-790-908610316 INTERCHANGEABLE
Network
Drs C3 & Aviation Company Dba Drs Data & Imaging Systems
5315-00-949-4052103-16 INTERCHANGEABLE
Pin,straight,headless
Dukes Aerospace, Inc.
Cross-Reference Index
Part NumberManufacturer
AC3689 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
115393-1 Tracor Aerospace Inc Advanced Systems Opn /aso/ Sub of Tracor Inc (USA)
10316-DAP Ross Milton Co the (USA)
128-007-0021 Northrop Grumman Systems Corporation (USA)
10316 Ross Milton Co the (USA)
Related Parts
5999-00-172-0828SUCCESSOR
NO ITEM NAME AVAILABLE
5120-00-087-0697INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5950-00-087-7244INTERCHANGEABLE
REACTOR
668-0006-00
6640-00-100-7235INTERCHANGEABLE
FORCEPS,UTILITY,LABORATORY
10-316B
4820-00-175-8813INTERCHANGEABLE
DISK,VALVE
10316
5330-00-292-1581INTERCHANGEABLE
SEAL,PLAIN ENCASED
PGF3216
3040-00-392-7909INTERCHANGEABLE
LEVER,MANUAL CONTROL
SM-C-157434
3110-00-554-3291INTERCHANGEABLE
BEARING,BALL,ANNULAR
4935-00-790-9086INTERCHANGEABLE
NETWORK
10316
5315-00-949-4052INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
103-16
5133-00-988-5703INTERCHANGEABLE
DRILL,TWIST
C70015
5945-01-035-5439INTERCHANGEABLE
RELAY,ELECTROMAGNETIC

Frequently Asked Questions

What is NSN 5999-00-789-4473?

NSN 5999-00-789-4473 is a Mounting Pad,electrical-Electron, manufactured by Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company, classified under FSC 5999 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5999-00-789-4473?

NSN 5999-00-789-4473 has 5 cross-referenced part numbers: AC3689 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), 115393-1 (Tracor Aerospace Inc Advanced Systems Opn /aso/ Sub of Tracor Inc), 10316-DAP (Ross Milton Co the), 128-007-0021 (Northrop Grumman Systems Corporation), 10316 (Ross Milton Co the).

What NSN replaces 5999-00-789-4473?

There are 12 known substitutes for 5999-00-789-4473: 5999-00-172-0828, 5120-00-087-0697, 5950-00-087-7244 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AC3689?

Key specifications for AC3689: Special Features: DIALLYL PHTHALATE GLASS FILLED PER MIL-M-14F,TYPE SDG; COLOR BLACK; 0.375 IN. DIA; 0.040 IN. THK; FOUR 0.028 IN. DIA THRU HOLES WITH 0.055 IN. DIA COUNTERSUNK EDGES EQUALLY SPACED ON A 0.200 IN. DIA; ONE 0.028 IN. DIA THRU HOLE WITH 0.055 IN. DIA COUNTERSUNK EDGE CENTER LOCATED; FOUR 0.080 IN. DIA,0.020 IN. H FEET EQUALLY SPACED ON A 0.285 IN. DIA; FOUR 0.080 IN. DIA,0.096 IN. H FEET EQUALLY SPACED ON A 0.200 IN. DIA IN; Special Features: DIALLYL PHTHALATE GLASS FILLED PER MIL-M-14F,TYPE SDG; COLOR BLACK; 0.375 IN. DIA; 0.040 IN. THK; FOUR 0.028 IN. DIA THRU HOLES WITH 0.055 IN. DIA COUNTERSUNK EDGES EQUALLY SPACED ON A 0.200 IN. DIA; ONE 0.028 IN. DIA THRU HOLE WITH 0.055 IN. DIA COUNTERSUNK EDGE CENTER LOCATED; FOUR 0.080 IN. DIA,0.020 IN. H FEET EQUALLY SPACED ON A 0.285 IN. DIA; FOUR 0.080 IN. DIA,0.096 IN. H FEET EQUALLY SPACED ON A 0.200 IN. DIA IN. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5999-00-789-4473 still in active supply?

NSN 5999-00-789-4473 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