PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FRS S401Socket,socket Wrench

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc · NSN 5120-01-428-4680 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-428-4680 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-428-4680. Primary manufacturer part number: FRS S401.
Features
  • Socket,socket Wrench — FSC 5120
  • Material: STEEL OVERALL
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Style Designator: INTERNAL-INTERNAL
  • Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN
  • Specification/standard Data: 81343-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Wrenching Surface Size: 1.250 INCHES NOMINAL SINGLE END IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-428-4680, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 8 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
NSN5120-01-428-4680
Primary Part NumberFRS S401
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerIdsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
StatusCANCELLED
MaterialSTEEL OVERALL
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Drive End ShapeSQUARE SINGLE END INTERNAL
Style DesignatorINTERNAL-INTERNAL
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
Specification/standard Data81343-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Wrenching Surface Size1.250 INCHES NOMINAL SINGLE END IN
Features ProvidedMANUAL TOOL
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND B STYLE
Surface TreatmentCHROMIUM OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5975-00-101-02845340 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
5935-00-166-49035340 INTERCHANGEABLE
Adapter,connector
Ballantine Laboratories Inc
4030-00-187-5257AH8A INTERCHANGEABLE
Rod,anchor
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6640-00-424-8000EF8840E INTERCHANGEABLE
Flask,filtering
Daigger Scientific Inc
3020-00-447-545664894H INTERCHANGEABLE
Gear
Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/
2530-00-469-7785 INTERCHANGEABLE
Cylinder,valve,hydr
6640-00-494-3854 INTERCHANGEABLE
Flask,filtering
5962-01-032-5288615586-901 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company
5340-01-137-05455340 INTERCHANGEABLE
Conn Link,pitch
Columbia Machine Inc
7530-01-393-02085340 INTERCHANGEABLE
Label
Avery Dennison Corporation Dba Avery Dennison, Fastener Division Div Avery Dennison - Fastener Division
Cross-Reference Index
Part NumberManufacturer
FRS S401 PRIMARY Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
1AN22 W.w. Grainger, Inc. Div Government Sales Division (USA)
5120PL1074071 Jednolity Indeks Materialowy - Uniform Material Index (POL)
S401 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
STP 5340G Kipper Tool Company Dba Kipper Management Inc (USA)
AS954 TY1CL1STB General Services Administration Federal Supply Service (USA)
5340 The Stanley Works Dba Stanley Proto (USA)
J5340 The Stanley Works Dba Stanley Proto (USA)
AS954 Society of Automotive Engineers Inc (USA)
AS954 Sae International Dba Sae International (USA)
Related Parts
5975-00-101-0284INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5340
5935-00-166-4903INTERCHANGEABLE
ADAPTER,CONNECTOR
5340
4030-00-187-5257INTERCHANGEABLE
ROD,ANCHOR
AH8A
6640-00-424-8000INTERCHANGEABLE
FLASK,FILTERING
EF8840E
3020-00-447-5456INTERCHANGEABLE
GEAR
64894H
2530-00-469-7785INTERCHANGEABLE
CYLINDER,VALVE,HYDR
6640-00-494-3854INTERCHANGEABLE
FLASK,FILTERING
5962-01-032-5288INTERCHANGEABLE
MICROCIRCUIT,MEMORY
615586-901
5340-01-137-0545INTERCHANGEABLE
CONN LINK,PITCH
5340
7530-01-393-0208INTERCHANGEABLE
LABEL
5340
6515-01-398-2644INTERCHANGEABLE
CANE,WALKING
3030-01-420-7415INTERCHANGEABLE
BELT,V
5340

Frequently Asked Questions

What is NSN 5120-01-428-4680?

NSN 5120-01-428-4680 is a Socket,socket Wrench, manufactured by Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-01-428-4680?

NSN 5120-01-428-4680 has 10 cross-referenced part numbers: FRS S401 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), 1AN22 (W.w. Grainger, Inc. Div Government Sales Division), 5120PL1074071 (Jednolity Indeks Materialowy - Uniform Material Index), S401 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), STP 5340G (Kipper Tool Company Dba Kipper Management Inc) and 5 more.

What NSN replaces 5120-01-428-4680?

There are 12 known substitutes for 5120-01-428-4680: 5975-00-101-0284, 5935-00-166-4903, 4030-00-187-5257 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FRS S401?

Key specifications for FRS S401: Material: STEEL OVERALL; Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL; Special Features: DEEP LENGTH; Drive End Shape: SQUARE SINGLE END INTERNAL. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-428-4680 still in active supply?

NSN 5120-01-428-4680 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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