PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

J32123Wrench,open End

The Stanley Works Dba Stanley Proto · NSN 5120-01-399-8777 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-399-8777 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-399-8777. Primary manufacturer part number: J32123.
Features
  • Wrench,open End — FSC 5120
  • Nondefinitive Spec/std Data: 1 TYPE
  • Large End Head Angle: 15.0 DEGREES NOMINAL
  • Style Designator: DOUBLE HEAD
  • Wrenching Surface Size: 21.0 MILLIMETERS NOMINAL FIRST END MM
  • Wrenching Surface Shape: OVAL BOTH ENDS INTERNAL
  • Wrenching Surface Size: 23.0 MILLIMETERS NOMINAL SECOND END MM
  • Small End Head Angle: 15.0 DEGREES NOMINAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,open End, cataloged under National Stock Number 5120-01-399-8777, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is The Stanley Works Dba Stanley Proto. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-399-8777
Primary Part NumberJ32123
Item NameWrench,open End
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThe Stanley Works Dba Stanley Proto
StatusCANCELLED
Nondefinitive Spec/std Data1 TYPE
Large End Head Angle15.0 DEGREES NOMINAL
Style DesignatorDOUBLE HEAD
Wrenching Surface Size21.0 MILLIMETERS NOMINAL FIRST END MM
Wrenching Surface ShapeOVAL BOTH ENDS INTERNAL
Wrenching Surface Size23.0 MILLIMETERS NOMINAL SECOND END MM
Small End Head Angle15.0 DEGREES NOMINAL
Specification/standard Data05047-ASME B107.100 CAT 39 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MaterialSTEEL OVERALL
Surface TreatmentCHROMIUM OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5305-00-206-2071413375-1 INTERCHANGEABLE
Screw,machine
Raytheon Company Dba Raytheon
5120-00-359-6552T23 INTERCHANGEABLE
Tire Iron
Summit Tool Company
5210-00-971-88275210-00-971-8827 INTERCHANGEABLE
Rule,machinist's
General Services Administration Federal Supply Service
4730-01-129-80831S-45F-100-2-1/2IN INTERCHANGEABLE
Strainer,sediment
Tate Andale, Llc
4820-01-149-3336N32123 INTERCHANGEABLE
Guide,seat Retaining
Leslie Controls, Inc. Dba Leslie Controls Inc
5340-01-344-6851 INTERCHANGEABLE
Bracket,mounting
4820-01-505-422232123 INTERCHANGEABLE
Seat,valve
Flowserve Inc
6515-01-603-7255VCP945H INTERCHANGEABLE
Suture,absorbable,surgical
Ethicon Us Llc Div Ethicon
Cross-Reference Index
Part NumberManufacturer
32123 The Stanley Works Dba Stanley Proto (USA)
1ANT1 W.w. Grainger, Inc. Div Government Sales Division (USA)
B107.100 CAT 39 TY1 General Services Administration Federal Supply Service (USA)
J32123 PRIMARY The Stanley Works Dba Stanley Proto (USA)
B107.100 The American Society of Mechanical Engineers (USA)
Related Parts
5305-00-206-2071INTERCHANGEABLE
SCREW,MACHINE
413375-1
5120-00-359-6552INTERCHANGEABLE
TIRE IRON
T23
5210-00-971-8827INTERCHANGEABLE
RULE,MACHINIST'S
5210-00-971-8827
4730-01-129-8083INTERCHANGEABLE
STRAINER,SEDIMENT
1S-45F-100-2-1/2IN
4820-01-149-3336INTERCHANGEABLE
GUIDE,SEAT RETAINING
N32123
5340-01-344-6851INTERCHANGEABLE
BRACKET,MOUNTING
4820-01-505-4222INTERCHANGEABLE
SEAT,VALVE
32123
6515-01-603-7255INTERCHANGEABLE
SUTURE,ABSORBABLE,SURGICAL
VCP945H

Frequently Asked Questions

What is NSN 5120-01-399-8777?

NSN 5120-01-399-8777 is a Wrench,open End, manufactured by The Stanley Works Dba Stanley Proto, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-01-399-8777?

NSN 5120-01-399-8777 has 5 cross-referenced part numbers: 32123 (The Stanley Works Dba Stanley Proto), 1ANT1 (W.w. Grainger, Inc. Div Government Sales Division), B107.100 CAT 39 TY1 (General Services Administration Federal Supply Service), J32123 (The Stanley Works Dba Stanley Proto), B107.100 (The American Society of Mechanical Engineers).

What NSN replaces 5120-01-399-8777?

There are 8 known substitutes for 5120-01-399-8777: 5305-00-206-2071, 5120-00-359-6552, 5210-00-971-8827 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of J32123?

Key specifications for J32123: Overall Length: 220.0 MILLIMETERS MINIMUM MM; Nondefinitive Spec/std Data: 1 TYPE; Large End Head Angle: 15.0 DEGREES NOMINAL; Style Designator: DOUBLE HEAD. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-399-8777 still in active supply?

NSN 5120-01-399-8777 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.
PartsTable Design LLC · partstable.com