PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SWM171Socket,socket Wrench

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc · NSN 5120-01-661-8416 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-661-8416 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-661-8416. Primary manufacturer part number: SWM171.
Features
  • Socket,socket Wrench — FSC 5120
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Features Provided: MANUAL TOOL
  • Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN
  • Style Designator: INTERNAL-INTERNAL
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Wrenching Surface Size: 17.0 MILLIMETERS NOMINAL SINGLE END MM
  • Surface Treatment: CHROMIUM OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-661-8416, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-661-8416
Primary Part NumberSWM171
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
Features ProvidedMANUAL TOOL
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
Style DesignatorINTERNAL-INTERNAL
Drive End ShapeSQUARE SINGLE END INTERNAL
Wrenching Surface Size17.0 MILLIMETERS NOMINAL SINGLE END MM
Surface TreatmentCHROMIUM OVERALL
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5120-00-263-4143 INTERCHANGEABLE
Socket,socket Wrench
5120-01-348-9078 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
11A7000791-8 Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army (USA)
SWM171 PRIMARY Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
Related Parts
5120-00-263-4143INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-01-348-9078INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5120-01-661-8416?

NSN 5120-01-661-8416 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 5120-01-661-8416?

NSN 5120-01-661-8416 has 2 cross-referenced part numbers: 11A7000791-8 (Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army), SWM171 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc).

What NSN replaces 5120-01-661-8416?

There are 2 known substitutes for 5120-01-661-8416: 5120-00-263-4143, 5120-01-348-9078. Verify interchangeability with system specifications before substitution.

What are the specifications of SWM171?

Key specifications for SWM171: Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL; Features Provided: MANUAL TOOL; Overall Length: 38.1 MILLIMETERS NOMINAL MM; End Item Identification: ARSS. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com