PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11-320Socket,socket Wrench

Apex Tool Group, Llc Dba Nicholson · NSN 5120-01-397-3185 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-397-3185 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-397-3185. Primary manufacturer part number: 11-320.
Features
  • Socket,socket Wrench — FSC 5120
  • Material: STEEL OVERALL
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND B STYLE
  • Specification/standard Data: 81343-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Surface Treatment: CHROMIUM OVERALL
  • Wrenching Surface Size: 0.625 INCHES NOMINAL SINGLE END IN
  • Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-397-3185, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Apex Tool Group, Llc Dba Nicholson. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-397-3185
Primary Part Number11-320
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerApex Tool Group, Llc Dba Nicholson
StatusACTIVE
MaterialSTEEL OVERALL
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND B STYLE
Specification/standard Data81343-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Drive End ShapeSQUARE SINGLE END INTERNAL
Surface TreatmentCHROMIUM OVERALL
Wrenching Surface Size0.625 INCHES NOMINAL SINGLE END IN
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Style DesignatorINTERNAL-INTERNAL
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Features ProvidedMANUAL TOOL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5999-00-117-9887440690 INTERCHANGEABLE
Shielding Gasket,electronic
Bae Systems Information and Electronic Systems Integration Inc.
4330-00-139-4234011320 INTERCHANGEABLE
Filter Element,fluid
Sullair Corp
5975-00-244-4364 INTERCHANGEABLE
Ferrule,electrical Conduit
3120-00-425-2232 INTERCHANGEABLE
Bearing,sleeve
3120-01-053-9867113-20 INTERCHANGEABLE
Bearing,sleeve
Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc
5365-01-394-792411320 INTERCHANGEABLE
Plug,machine Thread
Karl Senner, L.l.c. Dba Karl Senner Inc
5940-01-493-454011320 INTERCHANGEABLE
Terminal Board
Setra Systems, Inc. Dba Gems Sensors
4820-01-589-573622498 INTERCHANGEABLE
Valve,check
Itw Food Equipment Group Llc Dba Gaylord Industries
Cross-Reference Index
Part NumberManufacturer
11-320 Apex Tool Group, Llc Dba Nicholson (USA)
AS954 Society of Automotive Engineers Inc (USA)
11-320 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
AS954 Sae International Dba Sae International (USA)
AS954 TY1CL1STB General Services Administration Federal Supply Service (USA)
11-320 Armstrong Bros Tool Co (USA)
456720014400 Ncb Hungary (honvedsegi Egyseges Termekkod) (HUN)
Related Parts
5999-00-117-9887INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC
440690
4330-00-139-4234INTERCHANGEABLE
FILTER ELEMENT,FLUID
011320
5975-00-244-4364INTERCHANGEABLE
FERRULE,ELECTRICAL CONDUIT
3120-00-425-2232INTERCHANGEABLE
BEARING,SLEEVE
3120-01-053-9867INTERCHANGEABLE
BEARING,SLEEVE
113-20
5365-01-394-7924INTERCHANGEABLE
PLUG,MACHINE THREAD
11320
5940-01-493-4540INTERCHANGEABLE
TERMINAL BOARD
11320
4820-01-589-5736INTERCHANGEABLE
VALVE,CHECK
22498

Frequently Asked Questions

What is NSN 5120-01-397-3185?

NSN 5120-01-397-3185 is a Socket,socket Wrench, manufactured by Apex Tool Group, Llc Dba Nicholson, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-397-3185?

NSN 5120-01-397-3185 has 7 cross-referenced part numbers: 11-320 (Apex Tool Group, Llc Dba Nicholson), AS954 (Society of Automotive Engineers Inc), 11-320 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.), AS954 (Sae International Dba Sae International), AS954 TY1CL1STB (General Services Administration Federal Supply Service) and 2 more.

What NSN replaces 5120-01-397-3185?

There are 8 known substitutes for 5120-01-397-3185: 5999-00-117-9887, 4330-00-139-4234, 5975-00-244-4364 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11-320?

Key specifications for 11-320: Material: STEEL OVERALL; Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND B STYLE; Specification/standard Data: 81343-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Drive End Shape: SQUARE SINGLE END INTERNAL. 11 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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