PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6NHK4Wrench,box and Open End,combinat

W.w. Grainger, Inc. Div Government Sales Division · NSN 5120-01-602-8329 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-602-8329 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-602-8329. Primary manufacturer part number: 6NHK4.
Features
  • Wrench,box and Open End,combinat — FSC 5120
  • Wrenching Surface Size: 12.0 MILLIMETERS NOMINAL BOTH ENDS MM
  • Surface Treatment: CHROMIUM OVERALL
  • Material: STEEL OVERALL
  • Wrenching Surface Shape: 12 POINT SECOND END INTERNAL
  • Wrenching Surface Shape: OVAL FIRST END INTERNAL
  • Head Angle: 15.0 DEGREES NOMINAL
  • Style Designator: OFFSET
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,box and Open End,combinat, cataloged under National Stock Number 5120-01-602-8329, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is W.w. Grainger, Inc. Div Government Sales Division. Government technical data includes 7 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-602-8329
Primary Part Number6NHK4
Item NameWrench,box and Open End,combinat
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerW.w. Grainger, Inc. Div Government Sales Division
StatusACTIVE
Wrenching Surface Size12.0 MILLIMETERS NOMINAL BOTH ENDS MM
Surface TreatmentCHROMIUM OVERALL
MaterialSTEEL OVERALL
Wrenching Surface Shape12 POINT SECOND END INTERNAL
Wrenching Surface ShapeOVAL FIRST END INTERNAL
Head Angle15.0 DEGREES NOMINAL
Style DesignatorOFFSET
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5120-00-056-39435120-00-056-3943 INTERCHANGEABLE
Blade,nutdriver
General Services Administration Federal Supply Service
4810-00-175-88309912 INTERCHANGEABLE
Seat,valve
Northrop Grumman Systems Corporation Div Marine Systems
5330-00-250-5753 INTERCHANGEABLE
Seal,plain Encased
6625-00-389-4498M9720936 INTERCHANGEABLE
Meter
General Electric Company
5306-00-638-7810J8912 INTERCHANGEABLE
Bolt,machine
Joslyn Corp
6625-00-762-0361 INTERCHANGEABLE
Test Set,electrical Meter
Cross-Reference Index
Part NumberManufacturer
6NHK4 W.w. Grainger, Inc. Div Government Sales Division (USA)
9912 Apex Tool Group, Llc Dba Nicholson (USA)
9912 Ministry of Defence, Military Equipment Tool Solutions (mets) Di Pt (GBR)
HTWRACM120002 Anixter Ltd (GBR)
Related Parts
5120-00-056-3943INTERCHANGEABLE
BLADE,NUTDRIVER
5120-00-056-3943
4810-00-175-8830INTERCHANGEABLE
SEAT,VALVE
9912
5330-00-250-5753INTERCHANGEABLE
SEAL,PLAIN ENCASED
6625-00-389-4498INTERCHANGEABLE
METER
M9720936
5306-00-638-7810INTERCHANGEABLE
BOLT,MACHINE
J8912
6625-00-762-0361INTERCHANGEABLE
TEST SET,ELECTRICAL METER

Frequently Asked Questions

What is NSN 5120-01-602-8329?

NSN 5120-01-602-8329 is a Wrench,box and Open End,combinat, manufactured by W.w. Grainger, Inc. Div Government Sales Division, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-602-8329?

NSN 5120-01-602-8329 has 4 cross-referenced part numbers: 6NHK4 (W.w. Grainger, Inc. Div Government Sales Division), 9912 (Apex Tool Group, Llc Dba Nicholson), 9912 (Ministry of Defence, Military Equipment Tool Solutions (mets) Di Pt), HTWRACM120002 (Anixter Ltd).

What NSN replaces 5120-01-602-8329?

There are 6 known substitutes for 5120-01-602-8329: 5120-00-056-3943, 4810-00-175-8830, 5330-00-250-5753 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6NHK4?

Key specifications for 6NHK4: Overall Length: 170.0 MILLIMETERS NOMINAL MM; Wrenching Surface Size: 12.0 MILLIMETERS NOMINAL BOTH ENDS MM; Surface Treatment: CHROMIUM OVERALL; Material: STEEL OVERALL. 9 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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