PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S301Socket,socket Wrench

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc · NSN 5120-01-661-7179 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-661-7179 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-661-7179. Primary manufacturer part number: S301.
Features
  • Socket,socket Wrench — FSC 5120
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Style Designator: INTERNAL-INTERNAL
  • Surface Treatment: CHROMIUM OVERALL
  • Features Provided: MANUAL TOOL
  • Material: STEEL OVERALL
  • Wrenching Surface Size: 0.938 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 5120-01-661-7179, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-661-7179
Primary Part NumberS301
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerIdsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
StatusACTIVE
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Style DesignatorINTERNAL-INTERNAL
Surface TreatmentCHROMIUM OVERALL
Features ProvidedMANUAL TOOL
MaterialSTEEL OVERALL
Wrenching Surface Size0.938 INCHES NOMINAL SINGLE END IN
Drive End ShapeSQUARE SINGLE END INTERNAL
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5930-00-050-2649 INTERCHANGEABLE
Switch,toggle
2910-00-133-3992S301 INTERCHANGEABLE
Governor,gasoline Engine
Pierce Co Inc the Sub of Avis Industrial Corp
5930-00-413-0888S30-1 INTERCHANGEABLE
Switch,code Indicating Wheel
Cae Usa Inc.
2915-00-877-4051DRDAGJ002A INTERCHANGEABLE
Differential Assy,n
Southern Gear & Machine Inc
6515-01-166-7822S-301 INTERCHANGEABLE
Electrode,electrocardiograph
Lectec Corp
5930-01-335-5120S30-1 INTERCHANGEABLE
Switch,push
Grayhill Inc
6680-01-528-0583S30-1 INTERCHANGEABLE
Indicator,liquid Quantity
Hart Systems Inc Div Hart Systems
Cross-Reference Index
Part NumberManufacturer
S301 PRIMARY Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
11A7000789-10 Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army (USA)
Related Parts
5930-00-050-2649INTERCHANGEABLE
SWITCH,TOGGLE
2910-00-133-3992INTERCHANGEABLE
GOVERNOR,GASOLINE ENGINE
S301
5930-00-413-0888INTERCHANGEABLE
SWITCH,CODE INDICATING WHEEL
S30-1
2915-00-877-4051INTERCHANGEABLE
DIFFERENTIAL ASSY,N
DRDAGJ002A
6515-01-166-7822INTERCHANGEABLE
ELECTRODE,ELECTROCARDIOGRAPH
S-301
5930-01-335-5120INTERCHANGEABLE
SWITCH,PUSH
S30-1
6680-01-528-0583INTERCHANGEABLE
INDICATOR,LIQUID QUANTITY
S30-1

Frequently Asked Questions

What is NSN 5120-01-661-7179?

NSN 5120-01-661-7179 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: active.

What are the part numbers for NSN 5120-01-661-7179?

NSN 5120-01-661-7179 has 2 cross-referenced part numbers: S301 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), 11A7000789-10 (Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army).

What NSN replaces 5120-01-661-7179?

There are 7 known substitutes for 5120-01-661-7179: 5930-00-050-2649, 2910-00-133-3992, 5930-00-413-0888 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S301?

Key specifications for S301: Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL; Style Designator: INTERNAL-INTERNAL; Surface Treatment: CHROMIUM OVERALL; Features Provided: MANUAL TOOL. 10 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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