PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43218Wrench,open End Box

Utica Tool Co Inc · NSN 5120-01-306-4519 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-306-4519 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-306-4519. Primary manufacturer part number: 43218.
Features
  • Wrench,open End Box — FSC 5120
  • Style Designator: FLARE NUT SINGLE END (RATCHETING)
  • Head Angle: 35.0 DEGREES MAXIMUM
  • Wrenching Surface Size: 0.562 INCHES NOMINAL SINGLE END IN
  • Nondefinitive Spec/std Data: 2 TYPE AND 2 CLASS AND E STYLE AND 9/16 SIZE
  • Specification/standard Data: 0U583-SAE AS4167 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Surface Treatment: OXIDE OVERALL
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,open End Box, cataloged under National Stock Number 5120-01-306-4519, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Utica Tool Co Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN5120-01-306-4519
Primary Part Number43218
Item NameWrench,open End Box
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerUtica Tool Co Inc
StatusACTIVE
Style DesignatorFLARE NUT SINGLE END (RATCHETING)
Head Angle35.0 DEGREES MAXIMUM
Wrenching Surface Size0.562 INCHES NOMINAL SINGLE END IN
Nondefinitive Spec/std Data2 TYPE AND 2 CLASS AND E STYLE AND 9/16 SIZE
Specification/standard Data0U583-SAE AS4167 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Surface TreatmentOXIDE OVERALL
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
MaterialSTEEL OVERALL
Head Thickness0.480 INCHES MAXIMUM IN
Opening Width0.343 INCHES MINIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-554-3181218KC3 INTERCHANGEABLE
Bearing,ball,annular
Timken Co Div the Timken Company
5930-01-017-580943218 INTERCHANGEABLE
Switch,flow
Setra Systems, Inc. Dba Gems Sensors
5950-01-043-498311510182 INTERCHANGEABLE
Transformer,power
Us Army Aviation and Missile Command
5331-01-273-153744836 INTERCHANGEABLE
O-Ring
Bourns Inc
5120-01-306-4517 INTERCHANGEABLE
Wrench,open End Box
5120-01-306-4518 INTERCHANGEABLE
Wrench,open End Box
5120-01-306-4520 INTERCHANGEABLE
Wrench,open End Box
5120-01-306-4521 INTERCHANGEABLE
Wrench,open End Box
5120-01-306-4522 INTERCHANGEABLE
Wrench,open End Box
5120-01-306-4523 INTERCHANGEABLE
Wrench,open End Box
Cross-Reference Index
Part NumberManufacturer
43218 Utica Tool Co Inc (USA)
AS4167 TY2CL2STE General Services Administration Federal Supply Service (USA)
AS4167 Sae International Dba Sae International (USA)
AS4167 Society of Automotive Engineers Inc (USA)
Related Parts
3110-00-554-3181INTERCHANGEABLE
BEARING,BALL,ANNULAR
218KC3
5930-01-017-5809INTERCHANGEABLE
SWITCH,FLOW
43218
5950-01-043-4983INTERCHANGEABLE
TRANSFORMER,POWER
11510182
5331-01-273-1537INTERCHANGEABLE
O-RING
44836
5120-01-306-4517INTERCHANGEABLE
WRENCH,OPEN END BOX
5120-01-306-4518INTERCHANGEABLE
WRENCH,OPEN END BOX
5120-01-306-4520INTERCHANGEABLE
WRENCH,OPEN END BOX
5120-01-306-4521INTERCHANGEABLE
WRENCH,OPEN END BOX
5120-01-306-4522INTERCHANGEABLE
WRENCH,OPEN END BOX
5120-01-306-4523INTERCHANGEABLE
WRENCH,OPEN END BOX
5120-01-306-8381INTERCHANGEABLE
WRENCH,OPEN END BOX
5830-01-329-1778INTERCHANGEABLE
INTERCOMMUNICATION STATION
HS 330

Frequently Asked Questions

What is NSN 5120-01-306-4519?

NSN 5120-01-306-4519 is a Wrench,open End Box, manufactured by Utica Tool Co Inc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-306-4519?

NSN 5120-01-306-4519 has 4 cross-referenced part numbers: 43218 (Utica Tool Co Inc), AS4167 TY2CL2STE (General Services Administration Federal Supply Service), AS4167 (Sae International Dba Sae International), AS4167 (Society of Automotive Engineers Inc).

What NSN replaces 5120-01-306-4519?

There are 12 known substitutes for 5120-01-306-4519: 3110-00-554-3181, 5930-01-017-5809, 5950-01-043-4983 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 43218?

Key specifications for 43218: Style Designator: FLARE NUT SINGLE END (RATCHETING); Head Angle: 35.0 DEGREES MAXIMUM; Wrenching Surface Size: 0.562 INCHES NOMINAL SINGLE END IN; Nondefinitive Spec/std Data: 2 TYPE AND 2 CLASS AND E STYLE AND 9/16 SIZE. 11 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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