PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5528Socket,socket Wrench

The Stanley Works Dba Stanley Proto · NSN 5120-01-399-9679 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-399-9679 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-399-9679. Primary manufacturer part number: 5528.
Features
  • Socket,socket Wrench — FSC 5120
  • Style Designator: INTERNAL-INTERNAL
  • Features Provided: MANUAL TOOL
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND A STYLE
  • Drive Surface Size: 0.750 INCHES NOMINAL SINGLE END IN
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Surface Treatment: CHROMIUM OVERALL
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-399-9679, 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 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-399-9679
Primary Part Number5528
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThe Stanley Works Dba Stanley Proto
StatusCANCELLED
Style DesignatorINTERNAL-INTERNAL
Features ProvidedMANUAL TOOL
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND A STYLE
Drive Surface Size0.750 INCHES NOMINAL SINGLE END IN
Drive End ShapeSQUARE SINGLE END INTERNAL
Surface TreatmentCHROMIUM OVERALL
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Wrenching Surface Size0.875 INCHES NOMINAL SINGLE END IN
MaterialSTEEL OVERALL
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
6680-00-133-7822LTCT20616-01 INTERCHANGEABLE
Electronic Unit,oil
Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
6145-00-191-84595528 INTERCHANGEABLE
Wire,electrical
Belden Wire and Cable Co Wire and Cable Office
2940-00-362-1570 INTERCHANGEABLE
Cover
6130-00-881-07515528 INTERCHANGEABLE
Power Supply
Integrated Power Systems Llc
3120-01-173-3456 INTERCHANGEABLE
Bearing,washer,thrust
5910-01-442-97885528-ZD 0986283 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Abb Drives Inc
6510-01-558-411430-0032 INTERCHANGEABLE
Bandage,emergency Trauma Dressin
North American Rescue, Llc
Cross-Reference Index
Part NumberManufacturer
5528 The Stanley Works Dba Stanley Proto (USA)
AS954 Society of Automotive Engineers Inc (USA)
AS954 TY1CL1STA General Services Administration Federal Supply Service (USA)
AS954 Sae International Dba Sae International (USA)
J5528 The Stanley Works Dba Stanley Proto (USA)
STP 5528G Kipper Tool Company Dba Kipper Management Inc (USA)
1AP42 W.w. Grainger, Inc. Div Government Sales Division (USA)
Related Parts
6680-00-133-7822INTERCHANGEABLE
ELECTRONIC UNIT,OIL
LTCT20616-01
6145-00-191-8459INTERCHANGEABLE
WIRE,ELECTRICAL
5528
2940-00-362-1570INTERCHANGEABLE
COVER
6130-00-881-0751INTERCHANGEABLE
POWER SUPPLY
5528
3120-01-173-3456INTERCHANGEABLE
BEARING,WASHER,THRUST
5910-01-442-9788INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
5528-ZD 0986283
6510-01-558-4114INTERCHANGEABLE
BANDAGE,EMERGENCY TRAUMA DRESSIN
30-0032

Frequently Asked Questions

What is NSN 5120-01-399-9679?

NSN 5120-01-399-9679 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 5120-01-399-9679?

NSN 5120-01-399-9679 has 7 cross-referenced part numbers: 5528 (The Stanley Works Dba Stanley Proto), AS954 (Society of Automotive Engineers Inc), AS954 TY1CL1STA (General Services Administration Federal Supply Service), AS954 (Sae International Dba Sae International), J5528 (The Stanley Works Dba Stanley Proto) and 2 more.

What NSN replaces 5120-01-399-9679?

There are 7 known substitutes for 5120-01-399-9679: 6680-00-133-7822, 6145-00-191-8459, 2940-00-362-1570 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5528?

Key specifications for 5528: Style Designator: INTERNAL-INTERNAL; Features Provided: MANUAL TOOL; Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND A STYLE; Drive Surface Size: 0.750 INCHES NOMINAL SINGLE END IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-399-9679 still in active supply?

NSN 5120-01-399-9679 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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