PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1378Contact,electrical

Airpax Corporation Llc Dba Airpax Corporation Llc · NSN 5999-00-033-5706 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-033-5706 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-033-5706. Primary manufacturer part number: 1378.
Features
  • Contact,electrical — FSC 5999
  • Precious Material and Weight: 2.000 SILVER GRAINS, TROY
  • Material: SILVER CONTACT
  • Current Rating in Amps: 20.0
  • Mounting Facility Quantity: 2
  • Style Designator: LEAF TAP CONTACT W/ ROUND FIXED POINT
  • Material: COPPER ALLOY BODY
  • Precious Material: SILVER
Applications
  • Applications requiring Silver Contact construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-00-033-5706, 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 Airpax Corporation Llc Dba Airpax Corporation Llc. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). 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
NSN5999-00-033-5706
Primary Part Number1378
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerAirpax Corporation Llc Dba Airpax Corporation Llc
StatusACTIVE
Precious Material and Weight2.000 SILVER GRAINS, TROY
MaterialSILVER CONTACT
Current Rating in Amps20.0
Mounting Facility Quantity2
Style DesignatorLEAF TAP CONTACT W/ ROUND FIXED POINT
MaterialCOPPER ALLOY BODY
Precious MaterialSILVER
Mounting MethodUNTHREADED HOLE(S)
Point Height0.125 INCHES NOMINAL IN
Point Diameter0.375 INCHES NOMINAL IN
Distance Between Mounting Facility Centers0.250 INCHES NOMINAL IN
Unthreaded Mounting Hole Diameter0.059 INCHES NOMINAL AND 0.169 INCHES NOMINAL IN
Voltage Rating in Volts115.0 AC
Precious Material and Weight2.000 SILVER GRAINS, TROY
MaterialSILVER CONTACT
Current Rating in Amps20.0
Mounting Facility Quantity2
Style DesignatorLEAF TAP CONTACT W/ ROUND FIXED POINT
MaterialCOPPER ALLOY BODY
Precious MaterialSILVER
Mounting MethodUNTHREADED HOLE(S)
Point Height0.125 INCHES NOMINAL IN
Point Diameter0.375 INCHES NOMINAL IN
Distance Between Mounting Facility Centers0.250 INCHES NOMINAL IN
Unthreaded Mounting Hole Diameter0.059 INCHES NOMINAL AND 0.169 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeY
Weight0.0100 lbs
Cube0.0090 cu ft
Verified Substitutes 6
5940-00-150-46811378 INTERCHANGEABLE
Terminal,lug
Thermo Electric Company Inc. Dba Thermo Electric Company
5340-00-217-6397 INTERCHANGEABLE
Plug,vent
5975-00-280-91853717 INTERCHANGEABLE
Reducing Washer,knockout
Abb Installation Products Inc
5915-00-368-34864013370-0701 INTERCHANGEABLE
Filter,low Pass
Raytheon Company Dba Raytheon Co
6610-00-567-91491378 INTERCHANGEABLE
Meter Mechanism
Ideal Precision Meter Co Dba Ideal Precision Meter Co
6510-01-626-4394S-1003 INTERCHANGEABLE
Dressing Kit,ear
Grace Medical, Inc. Dba Grace Medical Inc
Cross-Reference Index
Part NumberManufacturer
1378 Airpax Corporation Llc Dba Airpax Corporation Llc (USA)
R1378 Price Brothers Inc (USA)
Related Parts
5940-00-150-4681INTERCHANGEABLE
TERMINAL,LUG
1378
5340-00-217-6397INTERCHANGEABLE
PLUG,VENT
5975-00-280-9185INTERCHANGEABLE
REDUCING WASHER,KNOCKOUT
3717
5915-00-368-3486INTERCHANGEABLE
FILTER,LOW PASS
4013370-0701
6610-00-567-9149INTERCHANGEABLE
METER MECHANISM
1378
6510-01-626-4394INTERCHANGEABLE
DRESSING KIT,EAR
S-1003

Frequently Asked Questions

What is NSN 5999-00-033-5706?

NSN 5999-00-033-5706 is a Contact,electrical, manufactured by Airpax Corporation Llc Dba Airpax Corporation Llc, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-033-5706?

NSN 5999-00-033-5706 has 2 cross-referenced part numbers: 1378 (Airpax Corporation Llc Dba Airpax Corporation Llc), R1378 (Price Brothers Inc).

What NSN replaces 5999-00-033-5706?

There are 6 known substitutes for 5999-00-033-5706: 5940-00-150-4681, 5340-00-217-6397, 5975-00-280-9185 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1378?

Key specifications for 1378: Precious Material and Weight: 2.000 SILVER GRAINS, TROY; Material: SILVER CONTACT; Current Rating in Amps: 20.0; Mounting Facility Quantity: 2. 30 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