PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9558Contact,electrical

Telemechanics Inc · NSN 5999-00-412-5667 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-412-5667 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-412-5667. Primary manufacturer part number: 9558.
Features
  • Contact,electrical — FSC 5999
  • Mounting Facility Quantity: 1
  • Style Designator: FLAT LEAF CONTACT W/ ROUND FIXED POINT
  • Point Diameter: 0.125 INCHES NOMINAL IN
  • Mounting Method: UNTHREADED HOLE(S)
  • Point Height: 0.052 INCHES NOMINAL IN
  • Material: COPPER ALLOY BODY AND CONTACT
  • FSC Application Data: TELETYPE AND FACSIMILE EQUIPMENT
Applications
  • Applications requiring Copper Alloy Body and Contact construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-00-412-5667, 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 Telemechanics Inc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5999-00-412-5667
Primary Part Number9558
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerTelemechanics Inc
StatusACTIVE
Mounting Facility Quantity1
Style DesignatorFLAT LEAF CONTACT W/ ROUND FIXED POINT
Point Diameter0.125 INCHES NOMINAL IN
Mounting MethodUNTHREADED HOLE(S)
Point Height0.052 INCHES NOMINAL IN
MaterialCOPPER ALLOY BODY AND CONTACT
FSC Application DataTELETYPE AND FACSIMILE EQUIPMENT
Unthreaded Mounting Hole Diameter0.151 INCHES NOMINAL IN
Mounting Facility Quantity1
Style DesignatorFLAT LEAF CONTACT W/ ROUND FIXED POINT
Point Diameter0.125 INCHES NOMINAL IN
Mounting MethodUNTHREADED HOLE(S)
Point Height0.052 INCHES NOMINAL IN
MaterialCOPPER ALLOY BODY AND CONTACT
FSC Application DataTELETYPE AND FACSIMILE EQUIPMENT
Unthreaded Mounting Hole Diameter0.151 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5310-00-167-0729 INTERCHANGEABLE
Washer,convex
5210-00-189-9558 INTERCHANGEABLE
Blade,thickness Gage
5340-00-408-6195 INTERCHANGEABLE
Deflector,dirt and Liquid
4730-00-413-552625236-8-8S INTERCHANGEABLE
Elbow,tube to Hose
Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division
5325-00-878-59679558 INTERCHANGEABLE
Ring,retaining
Gst Industries Inc.
5950-01-200-78932778239 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon
5940-01-218-59909558 INTERCHANGEABLE
Terminal Board
Aerocontrolex Group, Inc. Div Talley Actuators
4320-01-476-5038B-9837 ITEM 2 INTERCHANGEABLE
Sleeve,shaft,pump
R.s. Corcoran Co.
5330-01-658-69119558 INTERCHANGEABLE
Gasket
The Boeing Company Div Defense
Cross-Reference Index
Part NumberManufacturer
9558 PRIMARY Telemechanics Inc (USA)
9558 At and T Corp (USA)
9558 American Telephone and Telegraph Co (USA)
Related Parts
5310-00-167-0729INTERCHANGEABLE
WASHER,CONVEX
5210-00-189-9558INTERCHANGEABLE
BLADE,THICKNESS GAGE
5340-00-408-6195INTERCHANGEABLE
DEFLECTOR,DIRT AND LIQUID
4730-00-413-5526INTERCHANGEABLE
ELBOW,TUBE TO HOSE
25236-8-8S
5325-00-878-5967INTERCHANGEABLE
RING,RETAINING
9558
5950-01-200-7893INTERCHANGEABLE
TRANSFORMER,POWER
2778239
5940-01-218-5990INTERCHANGEABLE
TERMINAL BOARD
9558
4320-01-476-5038INTERCHANGEABLE
SLEEVE,SHAFT,PUMP
B-9837 ITEM 2
5330-01-658-6911INTERCHANGEABLE
GASKET
9558

Frequently Asked Questions

What is NSN 5999-00-412-5667?

NSN 5999-00-412-5667 is a Contact,electrical, manufactured by Telemechanics Inc, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-412-5667?

NSN 5999-00-412-5667 has 3 cross-referenced part numbers: 9558 (Telemechanics Inc), 9558 (At and T Corp), 9558 (American Telephone and Telegraph Co).

What NSN replaces 5999-00-412-5667?

There are 9 known substitutes for 5999-00-412-5667: 5310-00-167-0729, 5210-00-189-9558, 5340-00-408-6195 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9558?

Key specifications for 9558: Mounting Facility Quantity: 1; Style Designator: FLAT LEAF CONTACT W/ ROUND FIXED POINT; Overall Width: 0.156 INCHES NOMINAL IN; Point Diameter: 0.125 INCHES NOMINAL IN. 22 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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