PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S201Socket,socket Wrench

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc · NSN 5120-01-661-7182 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-661-7182 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-661-7182. Primary manufacturer part number: S201.
Features
  • Socket,socket Wrench — FSC 5120
  • Surface Treatment: CHROMIUM OVERALL
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Features Provided: MANUAL TOOL
  • Wrenching Surface Size: 0.625 INCHES NOMINAL SINGLE END IN
  • Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN
  • Material: STEEL OVERALL
  • Style Designator: INTERNAL-INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-661-7182, 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-661-7182
Primary Part NumberS201
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
Surface TreatmentCHROMIUM OVERALL
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Features ProvidedMANUAL TOOL
Wrenching Surface Size0.625 INCHES NOMINAL SINGLE END IN
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
MaterialSTEEL OVERALL
Style DesignatorINTERNAL-INTERNAL
Drive End ShapeSQUARE SINGLE END INTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5310-00-017-3687002507 INTERCHANGEABLE
Nut,plain,hexagon
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5930-00-669-7962 INTERCHANGEABLE
Switch,rotary
5310-00-763-8920 INTERCHANGEABLE
Nut,plain,hexagon
5930-01-127-2015S20-1 INTERCHANGEABLE
Switch,rotary
Cae Usa Inc.
6210-01-222-2930S-201 INTERCHANGEABLE
Light,emergency
Eaton Corporation
5945-01-437-7653S-201 INTERCHANGEABLE
Relay,solid State
Generac Corp
7035-01-573-4671 INTERCHANGEABLE
Programmer,microcircuit
5130-01-598-6785S-201 INTERCHANGEABLE
Brush,fiber,rotary Wheel
Saavy, Inc. Dba Saavy Inc
Cross-Reference Index
Part NumberManufacturer
11A7000789-5 Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army (USA)
S201 PRIMARY Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
Related Parts
5310-00-017-3687INTERCHANGEABLE
NUT,PLAIN,HEXAGON
002507
5930-00-669-7962INTERCHANGEABLE
SWITCH,ROTARY
5310-00-763-8920INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5930-01-127-2015INTERCHANGEABLE
SWITCH,ROTARY
S20-1
6210-01-222-2930INTERCHANGEABLE
LIGHT,EMERGENCY
S-201
5945-01-437-7653INTERCHANGEABLE
RELAY,SOLID STATE
S-201
7035-01-573-4671INTERCHANGEABLE
PROGRAMMER,MICROCIRCUIT
5130-01-598-6785INTERCHANGEABLE
BRUSH,FIBER,ROTARY WHEEL
S-201

Frequently Asked Questions

What is NSN 5120-01-661-7182?

NSN 5120-01-661-7182 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 5120-01-661-7182?

NSN 5120-01-661-7182 has 2 cross-referenced part numbers: 11A7000789-5 (Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army), S201 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc).

What NSN replaces 5120-01-661-7182?

There are 8 known substitutes for 5120-01-661-7182: 5310-00-017-3687, 5930-00-669-7962, 5310-00-763-8920 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S201?

Key specifications for S201: End Item Identification: ARSS; Overall Length: 3.250 INCHES NOMINAL IN; Surface Treatment: CHROMIUM OVERALL; Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL. 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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