PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS954 TY2CL4STAWrench,box and Open End,combinat

General Services Administration Federal Supply Service · NSN 5120-01-437-1838 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-437-1838 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-437-1838. Primary manufacturer part number: AS954 TY2CL4STA.
Features
  • Wrench,box and Open End,combinat — FSC 5120
  • Surface Treatment: OXIDE OVERALL
  • Nondefinitive Spec/std Data: 2 TYPE AND 4 CLASS AND C STYLE
  • Wrenching End Offset Angle: 15.0 DEGREES NOMINAL
  • Wrenching Surface Shape: OVAL FIRST END INTERNAL
  • Wrenching Surface Shape: 12 POINT SECOND END INTERNAL
  • Specification/standard Data: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Style Designator: OFFSET
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,box and Open End,combinat, cataloged under National Stock Number 5120-01-437-1838, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is General Services Administration Federal Supply Service. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 9 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
NSN5120-01-437-1838
Primary Part NumberAS954 TY2CL4STA
Item NameWrench,box and Open End,combinat
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusCANCELLED
Surface TreatmentOXIDE OVERALL
Nondefinitive Spec/std Data2 TYPE AND 4 CLASS AND C STYLE
Wrenching End Offset Angle15.0 DEGREES NOMINAL
Wrenching Surface ShapeOVAL FIRST END INTERNAL
Wrenching Surface Shape12 POINT SECOND END INTERNAL
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Style DesignatorOFFSET
MaterialSTEEL OVERALL
Wrenching Surface Size1.750 INCHES NOMINAL BOTH ENDS IN
Head Angle15.0 DEGREES NOMINAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5935-00-145-561610-074614-002 INTERCHANGEABLE
Insert,electrical Connector
Amphenol Corp Div Amphenol Aerospace Operations
5315-00-389-864531156 INTERCHANGEABLE
Pin,disc Assembly
Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions
5365-00-391-3328152862 INTERCHANGEABLE
Spacer,sleeve
Honeywell International Inc Dba Honeywell Div Consumer Products Group
5310-00-637-210631156 INTERCHANGEABLE
Washer,flat
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5950-00-864-94411064918 INTERCHANGEABLE
Coil,radio Frequency
L3harris Technologies, Inc.
4730-01-036-7829299-5472868 INTERCHANGEABLE
Nozzle,spray,fluid-Emulsion
Naval Sea Systems Command
4530-01-283-386331156 INTERCHANGEABLE
Parts Kit,oil Burner
Scott and Fetzer Co the Wayne Home Equipment Div
3130-01-350-0600 INTERCHANGEABLE
Bearing Unit,roller
5961-01-365-923831156 INTERCHANGEABLE
Rectifier,semiconductor Device
Adams Rite Aerospace, Inc
5307-01-377-1802 INTERCHANGEABLE
Stud,continuous Thread
Cross-Reference Index
Part NumberManufacturer
AS954 TY2CL4STA General Services Administration Federal Supply Service (USA)
AS954 Society of Automotive Engineers Inc (USA)
AS954 Sae International Dba Sae International (USA)
GOEX56A Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
AS954 TY2CL4STC General Services Administration Federal Supply Service (USA)
1256 The Stanley Works Dba Stanley Proto (USA)
B107.6 The American Society of Mechanical Engineers (USA)
B107.6 TY1 General Services Administration Federal Supply Service (USA)
J1256 The Stanley Works Dba Stanley Proto (USA)
31156 Wright Tool Company, Llc (USA)
1ALC4 W.w. Grainger, Inc. Div Government Sales Division (USA)
B107.100 The American Society of Mechanical Engineers (USA)
1256 Stanley-Proto Industrial Works Div of the Stanley Works (USA)
Related Parts
5935-00-145-5616INTERCHANGEABLE
INSERT,ELECTRICAL CONNECTOR
10-074614-002
5315-00-389-8645INTERCHANGEABLE
PIN,DISC ASSEMBLY
31156
5365-00-391-3328INTERCHANGEABLE
SPACER,SLEEVE
152862
5310-00-637-2106INTERCHANGEABLE
WASHER,FLAT
31156
5950-00-864-9441INTERCHANGEABLE
COIL,RADIO FREQUENCY
1064918
4730-01-036-7829INTERCHANGEABLE
NOZZLE,SPRAY,FLUID-EMULSION
299-5472868
4530-01-283-3863INTERCHANGEABLE
PARTS KIT,OIL BURNER
31156
3130-01-350-0600INTERCHANGEABLE
BEARING UNIT,ROLLER
5961-01-365-9238INTERCHANGEABLE
RECTIFIER,SEMICONDUCTOR DEVICE
31156
5307-01-377-1802INTERCHANGEABLE
STUD,CONTINUOUS THREAD
5930-01-399-3334INTERCHANGEABLE
SWITCH,SENSITIVE
31156
5307-01-607-2814INTERCHANGEABLE
STUD,CONTINUOUS THREAD
31156

Frequently Asked Questions

What is NSN 5120-01-437-1838?

NSN 5120-01-437-1838 is a Wrench,box and Open End,combinat, manufactured by General Services Administration Federal Supply Service, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-01-437-1838?

NSN 5120-01-437-1838 has 13 cross-referenced part numbers: AS954 TY2CL4STA (General Services Administration Federal Supply Service), AS954 (Society of Automotive Engineers Inc), AS954 (Sae International Dba Sae International), GOEX56A (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), AS954 TY2CL4STC (General Services Administration Federal Supply Service) and 8 more.

What NSN replaces 5120-01-437-1838?

There are 12 known substitutes for 5120-01-437-1838: 5935-00-145-5616, 5315-00-389-8645, 5365-00-391-3328 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS954 TY2CL4STA?

Key specifications for AS954 TY2CL4STA: Surface Treatment: OXIDE OVERALL; Nondefinitive Spec/std Data: 2 TYPE AND 4 CLASS AND C STYLE; Wrenching End Offset Angle: 15.0 DEGREES NOMINAL; Wrenching Surface Shape: OVAL FIRST END INTERNAL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-437-1838 still in active supply?

NSN 5120-01-437-1838 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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