PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SWM181Socket,socket Wrench

Sna Germany Gmbh · NSN 5120-00-263-4142 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-263-4142 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-263-4142. Primary manufacturer part number: SWM181.
Features
  • Socket,socket Wrench — FSC 5120
  • Specification/standard Data: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Material: STEEL OVERALL
  • Surface Treatment: CHROMIUM OVERALL
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Wrenching Surface Size: 18.0 MILLIMETERS NOMINAL SINGLE END MM
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND A STYLE
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-00-263-4142, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Sna Germany Gmbh. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-263-4142
Primary Part NumberSWM181
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerSna Germany Gmbh
StatusCANCELLED
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
MaterialSTEEL OVERALL
Surface TreatmentCHROMIUM OVERALL
Drive End ShapeSQUARE SINGLE END INTERNAL
Wrenching Surface Size18.0 MILLIMETERS NOMINAL SINGLE END MM
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND A STYLE
Features ProvidedMANUAL TOOL
Style DesignatorINTERNAL-INTERNAL
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
2815-00-126-25173245900 INTERCHANGEABLE
Manifold Assembly
Hatch & Kirk, Inc.
5999-00-859-3410 INTERCHANGEABLE
Cap,electrical
6625-01-104-7906133-9071 INTERCHANGEABLE
Meter,special Scale
Nautel Maine Inc
5120-01-661-8417SWM181 INTERCHANGEABLE
Socket,socket Wrench
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
Cross-Reference Index
Part NumberManufacturer
SWM181 Sna Germany Gmbh (DEU)
B107.5M The American Society of Mechanical Engineers (USA)
AS954 TY1CL1STA General Services Administration Federal Supply Service (USA)
AS955 TY1CL1STA General Services Administration Federal Supply Service (USA)
MA-18 Utica Tool Co Inc (USA)
AS954 Sae International Dba Sae International (USA)
AS955 Sae International Dba Sae International (USA)
B107.5M CL1STA General Services Administration Federal Supply Service (USA)
B107.5M TY1CL1 General Services Administration Federal Supply Service (USA)
32418-08 Utica Tool Co Inc (USA)
AS955 Society of Automotive Engineers Inc (USA)
SW18M Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
Related Parts
2815-00-126-2517INTERCHANGEABLE
MANIFOLD ASSEMBLY
3245900
5999-00-859-3410INTERCHANGEABLE
CAP,ELECTRICAL
6625-01-104-7906INTERCHANGEABLE
METER,SPECIAL SCALE
133-9071
5120-01-661-8417INTERCHANGEABLE
SOCKET,SOCKET WRENCH
SWM181

Frequently Asked Questions

What is NSN 5120-00-263-4142?

NSN 5120-00-263-4142 is a Socket,socket Wrench, manufactured by Sna Germany Gmbh, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-263-4142?

NSN 5120-00-263-4142 has 12 cross-referenced part numbers: SWM181 (Sna Germany Gmbh), B107.5M (The American Society of Mechanical Engineers), AS954 TY1CL1STA (General Services Administration Federal Supply Service), AS955 TY1CL1STA (General Services Administration Federal Supply Service), MA-18 (Utica Tool Co Inc) and 7 more.

What NSN replaces 5120-00-263-4142?

There are 4 known substitutes for 5120-00-263-4142: 2815-00-126-2517, 5999-00-859-3410, 6625-01-104-7906 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SWM181?

Key specifications for SWM181: Specification/standard Data: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL; Material: STEEL OVERALL; Surface Treatment: CHROMIUM OVERALL. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-263-4142 still in active supply?

NSN 5120-00-263-4142 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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