PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21-394Contact,electrical

Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc · NSN 5999-00-392-5520 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-392-5520 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-392-5520. Primary manufacturer part number: 21-394.
Features
  • Contact,electrical — FSC 5999
  • Unthreaded Mounting Hole Diameter: 0.213 INCHES NOMINAL IN
  • Mounting Facility Quantity: 2
  • Mounting Method: UNTHREADED HOLE(S)
  • Point Height: 0.188 INCHES NOMINAL IN
  • Material: COPPER ALLOY CONTACT
  • Material: COPPER ALLOY BODY
  • Style Designator: LEAF TAP CONTACT W/ ROUND FLATTED FIXED POINT
Applications
  • Applications requiring Copper Alloy Contact construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-00-392-5520, 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 Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5999-00-392-5520
Primary Part Number21-394
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerDrs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
StatusACTIVE
Unthreaded Mounting Hole Diameter0.213 INCHES NOMINAL IN
Mounting Facility Quantity2
Mounting MethodUNTHREADED HOLE(S)
Point Height0.188 INCHES NOMINAL IN
MaterialCOPPER ALLOY CONTACT
MaterialCOPPER ALLOY BODY
Style DesignatorLEAF TAP CONTACT W/ ROUND FLATTED FIXED POINT
Point Diameter0.375 INCHES NOMINAL IN
Unthreaded Mounting Hole Diameter0.213 INCHES NOMINAL IN
Mounting Facility Quantity2
Mounting MethodUNTHREADED HOLE(S)
Point Height0.188 INCHES NOMINAL IN
MaterialCOPPER ALLOY CONTACT
MaterialCOPPER ALLOY BODY
Style DesignatorLEAF TAP CONTACT W/ ROUND FLATTED FIXED POINT
Point Diameter0.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeX
Weight0.0300 lbs
Cube0.0030 cu ft
Verified Substitutes 6
5970-00-694-72802-139-4 INTERCHANGEABLE
Strip,insulation Sh
Precision Aerospace Corporation Dba Precision Engine Control
5950-00-843-658667393 INTERCHANGEABLE
Transformer,power
Magnetek Inc Lighting Products Group
9540-01-156-5484 INTERCHANGEABLE
Beam,structural
4720-01-248-811721394 INTERCHANGEABLE
Hose,preformed
Gates Corporation
1005-01-537-002821394 INTERCHANGEABLE
Muzzle Compensator
Charles Reed Knight Jr Dba Knight's Armament Company
5935-01-589-854721394 INTERCHANGEABLE
Connector,plug,electrical
Vicor Corp Dba Vicorpowercom
Cross-Reference Index
Part NumberManufacturer
21-394 PRIMARY Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA)
Related Parts
5970-00-694-7280INTERCHANGEABLE
STRIP,INSULATION SH
2-139-4
5950-00-843-6586INTERCHANGEABLE
TRANSFORMER,POWER
67393
9540-01-156-5484INTERCHANGEABLE
BEAM,STRUCTURAL
4720-01-248-8117INTERCHANGEABLE
HOSE,PREFORMED
21394
1005-01-537-0028INTERCHANGEABLE
MUZZLE COMPENSATOR
21394
5935-01-589-8547INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
21394

Frequently Asked Questions

What is NSN 5999-00-392-5520?

NSN 5999-00-392-5520 is a Contact,electrical, manufactured by Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-392-5520?

NSN 5999-00-392-5520 has 1 cross-referenced part number: 21-394 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc).

What NSN replaces 5999-00-392-5520?

There are 6 known substitutes for 5999-00-392-5520: 5970-00-694-7280, 5950-00-843-6586, 9540-01-156-5484 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21-394?

Key specifications for 21-394: Unthreaded Mounting Hole Diameter: 0.213 INCHES NOMINAL IN; Mounting Facility Quantity: 2; Mounting Method: UNTHREADED HOLE(S); Point Height: 0.188 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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