PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12227Wrench,socket

Hdt Expeditionary Systems Inc · NSN 5120-01-609-5166 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-609-5166 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-609-5166. Primary manufacturer part number: 12227.
Features
  • Wrench,socket — FSC 5120
  • Wrenching Surface Shape: HEXAGON SINGLE END EXTERNAL
  • Wrenching Surface Size: 10.0 MILLIMETERS NOMINAL SINGLE END MM
  • Style Designator: SINGLE SOCKET T
  • 1 verified cross-reference
  • Primary manufacturer: Hdt Expeditionary Systems Inc
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Wrench,socket, cataloged under National Stock Number 5120-01-609-5166, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Hdt Expeditionary Systems Inc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-609-5166
Primary Part Number12227
Item NameWrench,socket
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerHdt Expeditionary Systems Inc
StatusACTIVE
Wrenching Surface ShapeHEXAGON SINGLE END EXTERNAL
Wrenching Surface Size10.0 MILLIMETERS NOMINAL SINGLE END MM
Style DesignatorSINGLE SOCKET T
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5133-00-189-9272 INTERCHANGEABLE
Drill,twist
5133-00-228-1338 INTERCHANGEABLE
Drill,twist
5950-00-258-6757 INTERCHANGEABLE
Transformer,power
6250-00-682-337112-227 INTERCHANGEABLE
Lampholder
Lighting Components and Design Incorporated Dba Lc&d
5330-01-119-715912227 INTERCHANGEABLE
Gasket
Paragon Power Inc Sub of Great Lakes Power Products Inc
1310-01-698-422912227 INTERCHANGEABLE
Dummy Cartridge,40 Millimeter
Lyman Products Corp
Cross-Reference Index
Part NumberManufacturer
12227 PRIMARY Hdt Expeditionary Systems Inc (USA)
Related Parts
5133-00-189-9272INTERCHANGEABLE
DRILL,TWIST
5133-00-228-1338INTERCHANGEABLE
DRILL,TWIST
5950-00-258-6757INTERCHANGEABLE
TRANSFORMER,POWER
6250-00-682-3371INTERCHANGEABLE
LAMPHOLDER
12-227
5330-01-119-7159INTERCHANGEABLE
GASKET
12227
1310-01-698-4229INTERCHANGEABLE
DUMMY CARTRIDGE,40 MILLIMETER
12227

Frequently Asked Questions

What is NSN 5120-01-609-5166?

NSN 5120-01-609-5166 is a Wrench,socket, manufactured by Hdt Expeditionary Systems Inc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-609-5166?

NSN 5120-01-609-5166 has 1 cross-referenced part number: 12227 (Hdt Expeditionary Systems Inc).

What NSN replaces 5120-01-609-5166?

There are 6 known substitutes for 5120-01-609-5166: 5133-00-189-9272, 5133-00-228-1338, 5950-00-258-6757 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12227?

Key specifications for 12227: End Item Identification: 4520-01-598-1844; Overall Length: 18.130 INCHES NOMINAL IN; Wrenching Surface Shape: HEXAGON SINGLE END EXTERNAL; Wrenching Surface Size: 10.0 MILLIMETERS NOMINAL SINGLE END MM. 5 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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