PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8829Wrench,open End Box

S K Hand Tool Corp · NSN 5120-01-431-4964 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-431-4964 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-431-4964. Primary manufacturer part number: 8829.
Features
  • Wrench,open End Box — FSC 5120
  • Wrenching Surface Size: 21.0 MILLIMETERS NOMINAL SECOND END MM
  • Wrenching Surface Size: 19.0 MILLIMETERS NOMINAL FIRST END MM
  • Surface Treatment: CHROMIUM OVERALL
  • Style Designator: FLARE NUT DOUBLE END
  • Wrenching Surface Shape: 6 POINT BOTH ENDS INTERNAL
  • Material: STEEL OVERALL
  • 1 verified cross-reference
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,open End Box, cataloged under National Stock Number 5120-01-431-4964, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is S K Hand Tool Corp. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-431-4964
Primary Part Number8829
Item NameWrench,open End Box
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerS K Hand Tool Corp
StatusACTIVE
Wrenching Surface Size21.0 MILLIMETERS NOMINAL SECOND END MM
Wrenching Surface Size19.0 MILLIMETERS NOMINAL FIRST END MM
Surface TreatmentCHROMIUM OVERALL
Style DesignatorFLARE NUT DOUBLE END
Wrenching Surface Shape6 POINT BOTH ENDS INTERNAL
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5310-00-001-48798829 INTERCHANGEABLE
Nut,plain,hexagon
Dialight Corporation
2825-00-218-60508829 INTERCHANGEABLE
Disk
Northrop Grumman Systems Corporation Div Marine Systems
6240-00-851-435210051850 INTERCHANGEABLE
Lamp,incandescent
Us Army Aviation and Missile Command
6240-00-917-0805 INTERCHANGEABLE
Lamp,incandescent
5305-01-142-90828829 INTERCHANGEABLE
Screw,machine
Jaquith Industries Inc
Cross-Reference Index
Part NumberManufacturer
8829 PRIMARY S K Hand Tool Corp (USA)
Related Parts
5310-00-001-4879INTERCHANGEABLE
NUT,PLAIN,HEXAGON
8829
2825-00-218-6050INTERCHANGEABLE
DISK
8829
6240-00-851-4352INTERCHANGEABLE
LAMP,INCANDESCENT
10051850
6240-00-917-0805INTERCHANGEABLE
LAMP,INCANDESCENT
5305-01-142-9082INTERCHANGEABLE
SCREW,MACHINE
8829

Frequently Asked Questions

What is NSN 5120-01-431-4964?

NSN 5120-01-431-4964 is a Wrench,open End Box, manufactured by S K Hand Tool Corp, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-431-4964?

NSN 5120-01-431-4964 has 1 cross-referenced part number: 8829 (S K Hand Tool Corp).

What NSN replaces 5120-01-431-4964?

There are 5 known substitutes for 5120-01-431-4964: 5310-00-001-4879, 2825-00-218-6050, 6240-00-851-4352 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8829?

Key specifications for 8829: Wrenching Surface Size: 21.0 MILLIMETERS NOMINAL SECOND END MM; Wrenching Surface Size: 19.0 MILLIMETERS NOMINAL FIRST END MM; Surface Treatment: CHROMIUM OVERALL; Style Designator: FLARE NUT DOUBLE END. 7 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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