PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10-923Extension,socket Wrench

Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. · NSN 5120-01-397-2965 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-397-2965 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-397-2965. Primary manufacturer part number: 10-923.
Features
  • Extension,socket Wrench — FSC 5120
  • Style Designator: RIGID
  • Nondefinitive Spec/std Data: 2 TYPE AND 2 CLASS
  • Drive End Shape: SQUARE SECOND END EXTERNAL
  • Drive Surface Size: 0.250 INCHES NOMINAL BOTH ENDS IN
  • Specification/standard Data: 0U583-SAE AS4283 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Features Provided: MANUAL TOOL
  • Surface Treatment: CHROMIUM OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Extension,socket Wrench, cataloged under National Stock Number 5120-01-397-2965, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-397-2965
Primary Part Number10-923
Item NameExtension,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerEasco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.
StatusACTIVE
Style DesignatorRIGID
Nondefinitive Spec/std Data2 TYPE AND 2 CLASS
Drive End ShapeSQUARE SECOND END EXTERNAL
Drive Surface Size0.250 INCHES NOMINAL BOTH ENDS IN
Specification/standard Data0U583-SAE AS4283 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Features ProvidedMANUAL TOOL
Surface TreatmentCHROMIUM OVERALL
MaterialSTEEL OVERALL
Drive End ShapeSQUARE FIRST END INTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5133-00-061-6282 INTERCHANGEABLE
Drill,twist
5945-00-189-30586041H135 INTERCHANGEABLE
Relay,electromagnetic
Safran Power Usa, Llc
5330-00-255-031555651 INTERCHANGEABLE
Gasket
H20 Tank Inc U S Motors Div
5330-00-327-3017A10923 INTERCHANGEABLE
Gasket
Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp
4730-00-402-5147B-8-TA-1-6 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Swagelok Co
5330-00-588-038510923 INTERCHANGEABLE
Gasket
Aerco International, Inc. Dba Aerco International Inc
5975-00-653-9163ASC-SD-2 INTERCHANGEABLE
Drawer,standardized Components C
Custom Production Mfg., Inc. Dba Custom Production Manufacturing Inc
5360-00-664-3908764-6 INTERCHANGEABLE
Spring,helical,compression
Hamilton Sundstrand Corporation
1560-00-771-820910923 INTERCHANGEABLE
Baffle Intercylinde
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
5935-00-899-9066819T1800SN INTERCHANGEABLE
Connector,plug,electrical
Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector
Cross-Reference Index
Part NumberManufacturer
10-923 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
A10-923 Henchman Products Pty Ltd (AUS)
AS4283 TY2CL2 General Services Administration Federal Supply Service (USA)
10-923 Apex Tool Group, Llc Dba Nicholson (USA)
A10-923 Henchman Group Pty Ltd the Trustee for Henchman Unit Trust (AUS)
81116 Apex Tool Group, Llc Dba Nicholson (USA)
AS4283 Sae International Dba Sae International (USA)
10-923 Armstrong Bros Tool Co (USA)
Related Parts
5133-00-061-6282INTERCHANGEABLE
DRILL,TWIST
5945-00-189-3058INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
6041H135
5330-00-255-0315INTERCHANGEABLE
GASKET
55651
5330-00-327-3017INTERCHANGEABLE
GASKET
A10923
4730-00-402-5147INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
B-8-TA-1-6
5330-00-588-0385INTERCHANGEABLE
GASKET
10923
5975-00-653-9163INTERCHANGEABLE
DRAWER,STANDARDIZED COMPONENTS C
ASC-SD-2
5360-00-664-3908INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
764-6
1560-00-771-8209INTERCHANGEABLE
BAFFLE INTERCYLINDE
10923
5935-00-899-9066INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
819T1800SN
1670-01-125-1527INTERCHANGEABLE
QUICK RELEASE,PERSONNEL PARACHUT
81116-10
4810-01-311-8147INTERCHANGEABLE
BODY,VALVE
81116

Frequently Asked Questions

What is NSN 5120-01-397-2965?

NSN 5120-01-397-2965 is a Extension,socket Wrench, manufactured by Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc., classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-397-2965?

NSN 5120-01-397-2965 has 8 cross-referenced part numbers: 10-923 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.), A10-923 (Henchman Products Pty Ltd), AS4283 TY2CL2 (General Services Administration Federal Supply Service), 10-923 (Apex Tool Group, Llc Dba Nicholson), A10-923 (Henchman Group Pty Ltd the Trustee for Henchman Unit Trust) and 3 more.

What NSN replaces 5120-01-397-2965?

There are 12 known substitutes for 5120-01-397-2965: 5133-00-061-6282, 5945-00-189-3058, 5330-00-255-0315 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10-923?

Key specifications for 10-923: Style Designator: RIGID; Nondefinitive Spec/std Data: 2 TYPE AND 2 CLASS; Drive End Shape: SQUARE SECOND END EXTERNAL; Drive Surface Size: 0.250 INCHES NOMINAL BOTH ENDS IN. 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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