PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

STP 5558GSocket,socket Wrench

Kipper Tool Company Dba Kipper Management Inc · NSN 5120-01-399-9695 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-399-9695 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-399-9695. Primary manufacturer part number: STP 5558G.
Features
  • Socket,socket Wrench — FSC 5120
  • Surface Treatment: CHROMIUM OVERALL
  • Specification/standard Data: 81343-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Features Provided: MANUAL TOOL
  • Drive Surface Size: 0.750 INCHES NOMINAL SINGLE END IN
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Style Designator: INTERNAL-INTERNAL
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND A STYLE
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-399-9695, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Kipper Tool Company Dba Kipper Management Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-399-9695
Primary Part NumberSTP 5558G
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerKipper Tool Company Dba Kipper Management Inc
StatusCANCELLED
Surface TreatmentCHROMIUM OVERALL
Specification/standard Data81343-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Features ProvidedMANUAL TOOL
Drive Surface Size0.750 INCHES NOMINAL SINGLE END IN
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Style DesignatorINTERNAL-INTERNAL
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND A STYLE
Wrenching Surface Size1.812 INCHES NOMINAL SINGLE END IN
MaterialSTEEL OVERALL
Drive End ShapeSQUARE SINGLE END INTERNAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5962-00-172-5583LM1458N INTERCHANGEABLE
Microcircuit,linear
National Semiconductor Corporation
5985-00-491-7909 INTERCHANGEABLE
Coupler,transmission Line
2805-00-696-6931 INTERCHANGEABLE
Piston,internal Combustion Engin
5962-01-154-444024-405558 INTERCHANGEABLE
Microcircuit,linear
Analogic Corp Data Precision Div
5962-01-174-34415558 INTERCHANGEABLE
Microcircuit
Coherent Communicatoins Systems Corp
5930-01-187-80265558 INTERCHANGEABLE
Switch,toggle
Cole Hersee Company
4235-01-433-94267807 INTERCHANGEABLE
Spill Clean-Up Kit,hazardous Mat
Berryman Products, Inc.
5120-01-648-5015J5558 INTERCHANGEABLE
Socket,socket Wrench
The Stanley Works Dba Stanley Proto
5120-01-652-1458 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
STP 5558G Kipper Tool Company Dba Kipper Management Inc (USA)
5558 The Stanley Works Dba Stanley Proto (USA)
J5558 The Stanley Works Dba Stanley Proto (USA)
AS954 Sae International Dba Sae International (USA)
AS954 Society of Automotive Engineers Inc (USA)
1AP57 W.w. Grainger, Inc. Div Government Sales Division (USA)
AS954 TY1CL1STA General Services Administration Federal Supply Service (USA)
Related Parts
5962-00-172-5583INTERCHANGEABLE
MICROCIRCUIT,LINEAR
LM1458N
5985-00-491-7909INTERCHANGEABLE
COUPLER,TRANSMISSION LINE
2805-00-696-6931INTERCHANGEABLE
PISTON,INTERNAL COMBUSTION ENGIN
5962-01-154-4440INTERCHANGEABLE
MICROCIRCUIT,LINEAR
24-405558
5962-01-174-3441INTERCHANGEABLE
MICROCIRCUIT
5558
5930-01-187-8026INTERCHANGEABLE
SWITCH,TOGGLE
5558
4235-01-433-9426INTERCHANGEABLE
SPILL CLEAN-UP KIT,HAZARDOUS MAT
7807
5120-01-648-5015INTERCHANGEABLE
SOCKET,SOCKET WRENCH
J5558
5120-01-652-1458INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5120-01-399-9695?

NSN 5120-01-399-9695 is a Socket,socket Wrench, manufactured by Kipper Tool Company Dba Kipper Management Inc, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-01-399-9695?

NSN 5120-01-399-9695 has 7 cross-referenced part numbers: STP 5558G (Kipper Tool Company Dba Kipper Management Inc), 5558 (The Stanley Works Dba Stanley Proto), J5558 (The Stanley Works Dba Stanley Proto), AS954 (Sae International Dba Sae International), AS954 (Society of Automotive Engineers Inc) and 2 more.

What NSN replaces 5120-01-399-9695?

There are 9 known substitutes for 5120-01-399-9695: 5962-00-172-5583, 5985-00-491-7909, 2805-00-696-6931 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of STP 5558G?

Key specifications for STP 5558G: Surface Treatment: CHROMIUM OVERALL; Specification/standard Data: 81343-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Features Provided: MANUAL TOOL; Drive Surface Size: 0.750 INCHES NOMINAL SINGLE END IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-399-9695 still in active supply?

NSN 5120-01-399-9695 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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