PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6299Wrench,box

Walz & Krenzer Inc Div Mapeco Products · NSN 5120-00-184-8631 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-184-8631 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-184-8631. Primary manufacturer part number: 6299.
Features
  • Wrench,box — FSC 5120
  • Large End Head Thickness: 0.375 INCHES MAXIMUM IN
  • Style Designator: HALF-MOON DOUBLE HEAD
  • Surface Treatment: CHROMIUM OVERALL
  • Large End Outside Diameter: 0.775 INCHES MAXIMUM IN
  • Wrenching Surface Shape: 12 POINT BOTH ENDS INTERNAL
  • Small End Head Thickness: 0.375 INCHES MAXIMUM IN
  • Material: STEEL OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,box, cataloged under National Stock Number 5120-00-184-8631, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Walz & Krenzer Inc Div Mapeco Products. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 10 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
NSN5120-00-184-8631
Primary Part Number6299
Item NameWrench,box
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerWalz & Krenzer Inc Div Mapeco Products
StatusCANCELLED
Large End Head Thickness0.375 INCHES MAXIMUM IN
Style DesignatorHALF-MOON DOUBLE HEAD
Surface TreatmentCHROMIUM OVERALL
Large End Outside Diameter0.775 INCHES MAXIMUM IN
Wrenching Surface Shape12 POINT BOTH ENDS INTERNAL
Small End Head Thickness0.375 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Wrenching Surface Size0.438 INCHES NOMINAL FIRST END IN
Wrenching Surface Size0.500 INCHES NOMINAL SECOND END IN
Special MarkingsWRENCH SIZE
Small End Outside Diameter0.695 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5305-00-018-0201 INTERCHANGEABLE
Screw,cap,hexagon Head
1315-00-028-4606 INTERCHANGEABLE
Cartridge,75 Millimeter
3805-00-163-674741166 INTERCHANGEABLE
Piston
Komatsu America Corporation
5120-00-222-1596CX1820 INTERCHANGEABLE
Wrench,box
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5120-00-222-15978212484 INTERCHANGEABLE
Wrench,box
Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc
5133-00-228-135114730 INTERCHANGEABLE
Drill,twist
Viking Drill & Tool, Inc.
5120-00-277-2682 INTERCHANGEABLE
Wrench,box
5330-00-297-98870S625-2 INTERCHANGEABLE
Seal,plain Encased
Gits Mfg Co Inc
5305-00-359-1845330K809 INTERCHANGEABLE
Setscrew
Hyster-Yale Group, Inc. Dba Yale Materials Handling
5360-00-391-41497347246 INTERCHANGEABLE
Spring,helical,torsion
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
6299 PRIMARY Walz & Krenzer Inc Div Mapeco Products (USA)
CX1416 Sna Germany Gmbh (DEU)
41166 Morris Material Handling, Inc. (USA)
A-A-1346 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
6796584 Allison Transmission Inc Dba Allison Transmission, Inc (USA)
GGG-W-636 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
CX1416 Snap on Uk Holdings Ltd T/a Snap on Tools (GBR)
6299 Walz and Krenzer Inc (USA)
41166 Harnischfeger Corp (USA)
GGG-W-636 TY2 General Services Administration Federal Supply Service (USA)
Related Parts
5305-00-018-0201INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
1315-00-028-4606INTERCHANGEABLE
CARTRIDGE,75 MILLIMETER
3805-00-163-6747INTERCHANGEABLE
PISTON
41166
5120-00-222-1596INTERCHANGEABLE
WRENCH,BOX
CX1820
5120-00-222-1597INTERCHANGEABLE
WRENCH,BOX
8212484
5133-00-228-1351INTERCHANGEABLE
DRILL,TWIST
14730
5120-00-277-2682INTERCHANGEABLE
WRENCH,BOX
5330-00-297-9887INTERCHANGEABLE
SEAL,PLAIN ENCASED
0S625-2
5305-00-359-1845INTERCHANGEABLE
SETSCREW
330K809
5360-00-391-4149INTERCHANGEABLE
SPRING,HELICAL,TORSION
7347246
5960-00-519-6176INTERCHANGEABLE
ELECTRON TUBE
5950-00-905-9292INTERCHANGEABLE
COIL,RADIO FREQUENCY

Frequently Asked Questions

What is NSN 5120-00-184-8631?

NSN 5120-00-184-8631 is a Wrench,box, manufactured by Walz & Krenzer Inc Div Mapeco Products, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-184-8631?

NSN 5120-00-184-8631 has 10 cross-referenced part numbers: 6299 (Walz & Krenzer Inc Div Mapeco Products), CX1416 (Sna Germany Gmbh), 41166 (Morris Material Handling, Inc.), A-A-1346 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 6796584 (Allison Transmission Inc Dba Allison Transmission, Inc) and 5 more.

What NSN replaces 5120-00-184-8631?

There are 12 known substitutes for 5120-00-184-8631: 5305-00-018-0201, 1315-00-028-4606, 3805-00-163-6747 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6299?

Key specifications for 6299: Large End Head Thickness: 0.375 INCHES MAXIMUM IN; Special Features: FORGED STEEL; Style Designator: HALF-MOON DOUBLE HEAD; Surface Treatment: CHROMIUM OVERALL. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-184-8631 still in active supply?

NSN 5120-00-184-8631 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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