PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W-271Socket,socket Wrench

Ampco Partners, Ltd. Dba Ampco Safety Tools · NSN 5120-00-229-2764 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-229-2764 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-229-2764. Primary manufacturer part number: W-271.
Features
  • Socket,socket Wrench — FSC 5120
  • Wrenching Surface Size: 1.000 INCHES NOMINAL SINGLE END IN
  • Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Style Designator: INTERNAL-INTERNAL
  • Material: COPPER ALLOY OVERALL
  • Features Provided: MANUAL TOOL AND NONSPARKING AND NONMAGNETIC
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-00-229-2764, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Ampco Partners, Ltd. Dba Ampco Safety Tools. Government technical data includes 11 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-229-2764
Primary Part NumberW-271
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerAmpco Partners, Ltd. Dba Ampco Safety Tools
StatusACTIVE
Wrenching Surface Size1.000 INCHES NOMINAL SINGLE END IN
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
Drive End ShapeSQUARE SINGLE END INTERNAL
Style DesignatorINTERNAL-INTERNAL
MaterialCOPPER ALLOY OVERALL
Features ProvidedMANUAL TOOL AND NONSPARKING AND NONMAGNETIC
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Special Markings1 IN. IN
Wrenching End Outside Diameter1.343 INCHES MINIMUM IN
Wrenching End Opening Depth0.687 INCHES NOMINAL IN
Drive End Outside Diameter1.406 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5120-00-494-19895120-00-494-1989 INTERCHANGEABLE
Wrench,spanner
General Services Administration Federal Supply Service
Cross-Reference Index
Part NumberManufacturer
W-271 Ampco Metal Inc. Dba Ampco Metal Inc (USA)
W-271 PRIMARY Ampco Partners, Ltd. Dba Ampco Safety Tools (USA)
Related Parts
5120-00-494-1989INTERCHANGEABLE
WRENCH,SPANNER
5120-00-494-1989

Frequently Asked Questions

What is NSN 5120-00-229-2764?

NSN 5120-00-229-2764 is a Socket,socket Wrench, manufactured by Ampco Partners, Ltd. Dba Ampco Safety Tools, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-229-2764?

NSN 5120-00-229-2764 has 2 cross-referenced part numbers: W-271 (Ampco Metal Inc. Dba Ampco Metal Inc), W-271 (Ampco Partners, Ltd. Dba Ampco Safety Tools).

What NSN replaces 5120-00-229-2764?

There is 1 known substitute for 5120-00-229-2764: 5120-00-494-1989. Verify interchangeability with system specifications before substitution.

What are the specifications of W-271?

Key specifications for W-271: Overall Length: 1.750 INCHES NOMINAL IN; Wrenching Surface Size: 1.000 INCHES NOMINAL SINGLE END IN; Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN; Drive End Shape: SQUARE SINGLE END INTERNAL. 12 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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