PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

K1138Contact Assembly,electrical

Tensor Corp · NSN 5999-00-722-7720 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-722-7720 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-722-7720. Primary manufacturer part number: K1138.
Features
  • Contact Assembly,electrical — FSC 5999
  • Terminal Quantity: 9
  • Structural Design: PILE-UP
  • Mounting Configuration: TWO 0.156 IN. DIA MTG HOLES SPACED 0.500 IN. C TO C IN
  • Contact Form Arrangement: 3K LOCATION NOT OTHERWISE SPECIFIED
  • Terminal Type: SOLDER LUG
  • Terminal Quantity: 9
  • Structural Design: PILE-UP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Contact Assembly,electrical, cataloged under National Stock Number 5999-00-722-7720, 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 Tensor Corp. Government technical data includes 10 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
NSN5999-00-722-7720
Primary Part NumberK1138
Item NameContact Assembly,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerTensor Corp
StatusACTIVE
Terminal Quantity9
Structural DesignPILE-UP
Mounting ConfigurationTWO 0.156 IN. DIA MTG HOLES SPACED 0.500 IN. C TO C IN
Contact Form Arrangement3K LOCATION NOT OTHERWISE SPECIFIED
Terminal TypeSOLDER LUG
Terminal Quantity9
Structural DesignPILE-UP
Mounting ConfigurationTWO 0.156 IN. DIA MTG HOLES SPACED 0.500 IN. C TO C IN
Contact Form Arrangement3K LOCATION NOT OTHERWISE SPECIFIED
Terminal TypeSOLDER LUG
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5999-01-297-2229 (59569)
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeX
Verified Substitutes 6
5999-01-297-222959569 SUCCESSOR
Shielding Gasket,electronic
Orbit International Corp. Div Orbit Instrument
5340-00-167-48789096922-23 INTERCHANGEABLE
Retainer,helical Compression Spr
Us Army Aviation and Missile Command
5961-00-857-9184K1138 INTERCHANGEABLE
Semiconductor Device,diode
General Instrument Corp Corporate Headquarters
5961-00-954-9106 INTERCHANGEABLE
Semiconductor Device,thyristor
5315-01-198-8066K1-1-38 INTERCHANGEABLE
Key,machine
Todd Combustion Inc
7710-01-601-4416K1138 INTERCHANGEABLE
Cymbal
Zildjian Avedis Co
Cross-Reference Index
Part NumberManufacturer
K1138 Tensor Corp (USA)
59569 Wurlitzer Co the (USA)
Related Parts
SUCCESSOR 5999-01-297-2229 Shielding Gasket,electronic · 59569
5340-00-167-4878INTERCHANGEABLE
RETAINER,HELICAL COMPRESSION SPR
9096922-23
5961-00-857-9184INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
K1138
5961-00-954-9106INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5315-01-198-8066INTERCHANGEABLE
KEY,MACHINE
K1-1-38
7710-01-601-4416INTERCHANGEABLE
CYMBAL
K1138

Frequently Asked Questions

What is NSN 5999-00-722-7720?

NSN 5999-00-722-7720 is a Contact Assembly,electrical, manufactured by Tensor Corp, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-722-7720?

NSN 5999-00-722-7720 has 2 cross-referenced part numbers: K1138 (Tensor Corp), 59569 (Wurlitzer Co the).

What NSN replaces 5999-00-722-7720?

There are 6 known substitutes for 5999-00-722-7720: 5999-01-297-2229, 5340-00-167-4878, 5961-00-857-9184 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of K1138?

Key specifications for K1138: Terminal Quantity: 9; Structural Design: PILE-UP; Mounting Configuration: TWO 0.156 IN. DIA MTG HOLES SPACED 0.500 IN. C TO C IN; Contact Form Arrangement: 3K LOCATION NOT OTHERWISE SPECIFIED. 16 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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