PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

J5218Socket,socket Wrench

The Stanley Works Dba Stanley Proto · NSN 5120-01-399-9535 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-399-9535 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-399-9535. Primary manufacturer part number: J5218.
Features
  • Socket,socket Wrench — FSC 5120
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND A STYLE
  • Specification/standard Data: 81343-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Features Provided: MANUAL TOOL
  • Surface Treatment: CHROMIUM OVERALL
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Wrenching Surface Size: 0.562 INCHES NOMINAL SINGLE END IN
  • Drive End Shape: SQUARE SINGLE END INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-399-9535, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is The Stanley Works Dba Stanley Proto. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-399-9535
Primary Part NumberJ5218
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThe Stanley Works Dba Stanley Proto
StatusCANCELLED
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND A STYLE
Specification/standard Data81343-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Features ProvidedMANUAL TOOL
Surface TreatmentCHROMIUM OVERALL
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Wrenching Surface Size0.562 INCHES NOMINAL SINGLE END IN
Drive End ShapeSQUARE SINGLE END INTERNAL
Style DesignatorINTERNAL-INTERNAL
MaterialSTEEL OVERALL
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6605-00-086-97455218 INTERCHANGEABLE
Transmitter,target
L3 Technologies, Inc. Div L3 Keo
3110-00-156-5377S1449645 INTERCHANGEABLE
Bearing,ball,annular
Homewood Products Corp
3110-00-156-79765218NW INTERCHANGEABLE
Bearing,ball,annular
Fag Bearings Corporation
4730-00-277-9741203897 INTERCHANGEABLE
Sleeve,compression,tube-Hose Fit
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
4920-00-332-67745218 INTERCHANGEABLE
Converter,digital to Synchro Res
Data Device Corp Dba Beta Transformer Technology
4320-00-431-16955-218 INTERCHANGEABLE
Adapter,seal Seat
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
2540-00-658-730163-180 INTERCHANGEABLE
Blade,windshield Wiper
Trico Products Corporation
5950-01-086-56835218 INTERCHANGEABLE
Coil,radio Frequency
Bourns Inc
5935-01-314-7249 INTERCHANGEABLE
Connector,plug,electrical
6515-01-337-1941305218 INTERCHANGEABLE
Syringe,oral
Becton, Dickinson and Co Dba Becton Dickinson & Co
Cross-Reference Index
Part NumberManufacturer
J5218 The Stanley Works Dba Stanley Proto (USA)
B107.1 The American Society of Mechanical Engineers (USA)
5218 The Stanley Works Dba Stanley Proto (USA)
J5218 Henchman Group Pty Ltd the Trustee for Henchman Unit Trust (AUS)
1AK10 W.w. Grainger, Inc. Div Government Sales Division (USA)
AS954 Society of Automotive Engineers Inc (USA)
B107.1 TY1CL1 General Services Administration Federal Supply Service (USA)
J5218 Henchman Products Pty Ltd (AUS)
5544A33 Mcmaster-Carr Supply Co (USA)
AS954 TY1CL1STA General Services Administration Federal Supply Service (USA)
AS954 Sae International Dba Sae International (USA)
Related Parts
6605-00-086-9745INTERCHANGEABLE
TRANSMITTER,TARGET
5218
3110-00-156-5377INTERCHANGEABLE
BEARING,BALL,ANNULAR
S1449645
3110-00-156-7976INTERCHANGEABLE
BEARING,BALL,ANNULAR
5218NW
4730-00-277-9741INTERCHANGEABLE
SLEEVE,COMPRESSION,TUBE-HOSE FIT
203897
4920-00-332-6774INTERCHANGEABLE
CONVERTER,DIGITAL TO SYNCHRO RES
5218
4320-00-431-1695INTERCHANGEABLE
ADAPTER,SEAL SEAT
5-218
2540-00-658-7301INTERCHANGEABLE
BLADE,WINDSHIELD WIPER
63-180
5950-01-086-5683INTERCHANGEABLE
COIL,RADIO FREQUENCY
5218
5935-01-314-7249INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
6515-01-337-1941INTERCHANGEABLE
SYRINGE,ORAL
305218
7021-01-555-4624INTERCHANGEABLE
COMPUTER SUBASSEMBLY
80P2749
5935-01-723-2078INTERCHANGEABLE
ADAPTER,CONNECTOR
5218

Frequently Asked Questions

What is NSN 5120-01-399-9535?

NSN 5120-01-399-9535 is a Socket,socket Wrench, manufactured by The Stanley Works Dba Stanley Proto, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-01-399-9535?

NSN 5120-01-399-9535 has 11 cross-referenced part numbers: J5218 (The Stanley Works Dba Stanley Proto), B107.1 (The American Society of Mechanical Engineers), 5218 (The Stanley Works Dba Stanley Proto), J5218 (Henchman Group Pty Ltd the Trustee for Henchman Unit Trust), 1AK10 (W.w. Grainger, Inc. Div Government Sales Division) and 6 more.

What NSN replaces 5120-01-399-9535?

There are 12 known substitutes for 5120-01-399-9535: 6605-00-086-9745, 3110-00-156-5377, 3110-00-156-7976 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of J5218?

Key specifications for J5218: Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND A STYLE; Specification/standard Data: 81343-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Features Provided: MANUAL TOOL; Surface Treatment: CHROMIUM OVERALL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-399-9535 still in active supply?

NSN 5120-01-399-9535 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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