PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LDH723Socket,socket Wrench

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc · NSN 5120-01-437-1958 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-437-1958 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-437-1958. Primary manufacturer part number: LDH723.
Features
  • Socket,socket Wrench — FSC 5120
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Features Provided: MANUAL TOOL
  • Material: STEEL OVERALL
  • Drive Surface Size: 1.000 INCHES NOMINAL SINGLE END IN
  • Wrenching Surface Size: 2.250 INCHES NOMINAL SINGLE END IN
  • Style Designator: INTERNAL-INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-437-1958, 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 1 commercial cross-reference from 1 manufacturer, 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
NSN5120-01-437-1958
Primary Part NumberLDH723
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
Drive End ShapeSQUARE SINGLE END INTERNAL
Features ProvidedMANUAL TOOL
MaterialSTEEL OVERALL
Drive Surface Size1.000 INCHES NOMINAL SINGLE END IN
Wrenching Surface Size2.250 INCHES NOMINAL SINGLE END IN
Style DesignatorINTERNAL-INTERNAL
Surface TreatmentCHROMIUM OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5120-00-261-2843J5772 INTERCHANGEABLE
Socket,socket Wrench
The Stanley Works Dba Stanley Proto
Cross-Reference Index
Part NumberManufacturer
LDH723 PRIMARY Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
Related Parts
5120-00-261-2843INTERCHANGEABLE
SOCKET,SOCKET WRENCH
J5772

Frequently Asked Questions

What is NSN 5120-01-437-1958?

NSN 5120-01-437-1958 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 5120-01-437-1958?

NSN 5120-01-437-1958 has 1 cross-referenced part number: LDH723 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc).

What NSN replaces 5120-01-437-1958?

There is 1 known substitute for 5120-01-437-1958: 5120-00-261-2843. Verify interchangeability with system specifications before substitution.

What are the specifications of LDH723?

Key specifications for LDH723: Overall Length: 3.750 INCHES NOMINAL IN; Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL; Special Features: STANDARD LENGTH; Drive End Shape: SQUARE 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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