PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40-138Contact,electrical

Eaton Corp Opns & Technical Center · NSN 5999-00-025-9014 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-025-9014 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-025-9014. Primary manufacturer part number: 40-138.
Features
  • Contact,electrical — FSC 5999
  • Mounting Method: UNTHREADED HOLE(S)
  • Precious Material and Weight: 0.005 SILVER GRAINS, TROY
  • Mounting Facility Quantity: 1
  • Material: SILVER CONTACT
  • Precious Material: SILVER
  • Unthreaded Mounting Hole Diameter: 0.250 INCHES NOMINAL IN
  • Precious Material and Location: CONTACT SILVER
Applications
  • Applications requiring Silver Contact construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-00-025-9014, 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 Eaton Corp Opns & Technical Center. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-025-9014
Primary Part Number40-138
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerEaton Corp Opns & Technical Center
StatusACTIVE
Mounting MethodUNTHREADED HOLE(S)
Precious Material and Weight0.005 SILVER GRAINS, TROY
Mounting Facility Quantity1
MaterialSILVER CONTACT
Precious MaterialSILVER
Unthreaded Mounting Hole Diameter0.250 INCHES NOMINAL IN
Precious Material and LocationCONTACT SILVER
Mounting MethodUNTHREADED HOLE(S)
Precious Material and Weight0.005 SILVER GRAINS, TROY
Mounting Facility Quantity1
MaterialSILVER CONTACT
Precious MaterialSILVER
Unthreaded Mounting Hole Diameter0.250 INCHES NOMINAL IN
Precious Material and LocationCONTACT SILVER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Weight0.0625 lbs
Cube0.0001 cu ft
Verified Substitutes 8
3455-00-194-051810170 INTERCHANGEABLE
Cutter,milling,plain
Niagara Cutter Inc
5120-00-293-0093 INTERCHANGEABLE
Socket,socket Wrench
4720-00-874-539540138 INTERCHANGEABLE
Hose Assembly,nonmetallic
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
3040-00-981-3141113-A-0019 INTERCHANGEABLE
Ball Joint
Lockheed Martin Corp
5307-01-104-826840138 INTERCHANGEABLE
Stud,stepped
Allison Transmission Inc Dba Allison Transmission, Inc
5930-01-291-4962L112707 INTERCHANGEABLE
Switch,pressure
Cnh Industrial America Llc Dba Cnh America
4520-01-539-827540138 INTERCHANGEABLE
Cable,engine Stop
Hdt Expeditionary Systems Inc
8465-01-565-401440138 INTERCHANGEABLE
Hydration System
Camelbak Products, Llc Dba Camelbak
Cross-Reference Index
Part NumberManufacturer
40-138 PRIMARY Eaton Corp Opns & Technical Center (USA)
40-138 Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA)
427384PC54 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
104-841-14 Ward Leonard Ct Llc (USA)
Related Parts
3455-00-194-0518INTERCHANGEABLE
CUTTER,MILLING,PLAIN
10170
5120-00-293-0093INTERCHANGEABLE
SOCKET,SOCKET WRENCH
4720-00-874-5395INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
40138
3040-00-981-3141INTERCHANGEABLE
BALL JOINT
113-A-0019
5307-01-104-8268INTERCHANGEABLE
STUD,STEPPED
40138
5930-01-291-4962INTERCHANGEABLE
SWITCH,PRESSURE
L112707
4520-01-539-8275INTERCHANGEABLE
CABLE,ENGINE STOP
40138
8465-01-565-4014INTERCHANGEABLE
HYDRATION SYSTEM
40138

Frequently Asked Questions

What is NSN 5999-00-025-9014?

NSN 5999-00-025-9014 is a Contact,electrical, manufactured by Eaton Corp Opns & Technical Center, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-025-9014?

NSN 5999-00-025-9014 has 4 cross-referenced part numbers: 40-138 (Eaton Corp Opns & Technical Center), 40-138 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc), 427384PC54 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 104-841-14 (Ward Leonard Ct Llc).

What NSN replaces 5999-00-025-9014?

There are 8 known substitutes for 5999-00-025-9014: 3455-00-194-0518, 5120-00-293-0093, 4720-00-874-5395 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40-138?

Key specifications for 40-138: Mounting Method: UNTHREADED HOLE(S); Precious Material and Weight: 0.005 SILVER GRAINS, TROY; Mounting Facility Quantity: 1; Material: SILVER CONTACT. 14 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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