PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4902Adapter,socket Wrench

Wright Tool Company, Llc · NSN 5120-01-378-5897 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-378-5897 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-378-5897. Primary manufacturer part number: 4902.
Features
  • Adapter,socket Wrench — FSC 5120
  • Outside Diameter: 1.125 INCHES MAXIMUM IN
  • Drive End Shape: SQUARE FIRST END INTERNAL
  • Nondefinitive Spec/std Data: 2 TYPE AND 3 CLASS AND A STYLE
  • Specification/standard Data: 05047-ASME B107.110 CAT 10 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Features Provided: MANUAL TOOL
  • Material: STEEL OVERALL
  • Drive Surface Size: 0.750 INCHES NOMINAL SECOND END IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Adapter,socket Wrench, cataloged under National Stock Number 5120-01-378-5897, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Wright Tool Company, Llc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-378-5897
Primary Part Number4902
Item NameAdapter,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerWright Tool Company, Llc
StatusCANCELLED
Outside Diameter1.125 INCHES MAXIMUM IN
Drive End ShapeSQUARE FIRST END INTERNAL
Nondefinitive Spec/std Data2 TYPE AND 3 CLASS AND A STYLE
Specification/standard Data05047-ASME B107.110 CAT 10 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Features ProvidedMANUAL TOOL
MaterialSTEEL OVERALL
Drive Surface Size0.750 INCHES NOMINAL SECOND END IN
Style DesignatorEXTERNAL-INTERNAL
Drive Surface Size0.500 INCHES NOMINAL FIRST END IN
Surface TreatmentOXIDE OVERALL
Drive End ShapeSQUARE SECOND END EXTERNAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-274-84934902 INTERCHANGEABLE
Washer,flat
Triumph Engine Control Systems Llc
5330-00-395-47384902 INTERCHANGEABLE
Seal,plain
Johns Manville Intl
5905-00-448-26014902 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Electro Scientific Industries Inc
5330-00-521-61044902 INTERCHANGEABLE
Seal,plain Encased
Proactive Components Inc Dba Proactive Components Inc
2520-00-773-5974 INTERCHANGEABLE
Shaft Pump Drive
5930-00-943-0260 INTERCHANGEABLE
Switch,toggle
5998-01-010-08774902 INTERCHANGEABLE
Circuit Card Assembly
Electro-Metrics Corporation Dba Electro-Metrics
5120-01-073-0380GS15953-1 INTERCHANGEABLE
Tool,installer,pin
Hamilton Sundstrand Corporation Dba Collins Aerospace
5330-01-106-64314902 INTERCHANGEABLE
Seal,plain Encased
Stewart & Stevenson Power Products Llc
6105-01-260-0123 INTERCHANGEABLE
Motor,alternating Current
Cross-Reference Index
Part NumberManufacturer
4902 Wright Tool Company, Llc (USA)
B107.10 The American Society of Mechanical Engineers (USA)
B107.110 CAT 10 TY2CL3STA General Services Administration Federal Supply Service (USA)
5120PL0901861 Jednolity Indeks Materialowy - Uniform Material Index (POL)
GLA12A Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
B107.10 TY2CL3STA General Services Administration Federal Supply Service (USA)
GLA12B Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
GLA12B Snap-on Tools Italia S.r.l. Unipersonale (ITA)
B107.110 The American Society of Mechanical Engineers (USA)
Related Parts
5310-00-274-8493INTERCHANGEABLE
WASHER,FLAT
4902
5330-00-395-4738INTERCHANGEABLE
SEAL,PLAIN
4902
5905-00-448-2601INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
4902
5330-00-521-6104INTERCHANGEABLE
SEAL,PLAIN ENCASED
4902
2520-00-773-5974INTERCHANGEABLE
SHAFT PUMP DRIVE
5930-00-943-0260INTERCHANGEABLE
SWITCH,TOGGLE
5998-01-010-0877INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
4902
5120-01-073-0380INTERCHANGEABLE
TOOL,INSTALLER,PIN
GS15953-1
5330-01-106-6431INTERCHANGEABLE
SEAL,PLAIN ENCASED
4902
6105-01-260-0123INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
4730-01-588-6804INTERCHANGEABLE
PNEUMATIC MUFFLER,EXHAUST-INTAKE
4902
5985-01-690-2392INTERCHANGEABLE
DUMMY LOAD,ELECTRICAL
490-2

Frequently Asked Questions

What is NSN 5120-01-378-5897?

NSN 5120-01-378-5897 is a Adapter,socket Wrench, manufactured by Wright Tool Company, Llc, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-01-378-5897?

NSN 5120-01-378-5897 has 9 cross-referenced part numbers: 4902 (Wright Tool Company, Llc), B107.10 (The American Society of Mechanical Engineers), B107.110 CAT 10 TY2CL3STA (General Services Administration Federal Supply Service), 5120PL0901861 (Jednolity Indeks Materialowy - Uniform Material Index), GLA12A (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc) and 4 more.

What NSN replaces 5120-01-378-5897?

There are 12 known substitutes for 5120-01-378-5897: 5310-00-274-8493, 5330-00-395-4738, 5905-00-448-2601 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4902?

Key specifications for 4902: Outside Diameter: 1.125 INCHES MAXIMUM IN; Drive End Shape: SQUARE FIRST END INTERNAL; Nondefinitive Spec/std Data: 2 TYPE AND 3 CLASS AND A STYLE; Specification/standard Data: 05047-ASME B107.110 CAT 10 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-378-5897 still in active supply?

NSN 5120-01-378-5897 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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