PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GGG-W-645Wrench,box and Open End Box,comb

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5120-00-895-9572 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-895-9572 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-895-9572. Primary manufacturer part number: GGG-W-645.
Features
  • Wrench,box and Open End Box,comb — FSC 5120
  • Surface Treatment: CHROMIUM AND NICKEL AND OXIDE OVERALL
  • Wrenching Surface Shape: 12 POINT BOTH ENDS INTERNAL
  • Head Angle: 20.0 DEGREES MAXIMUM
  • Style Designator: STRAIGHT
  • Wrenching Surface Size: 0.688 INCHES NOMINAL BOTH ENDS IN
  • Small End Head Thickness: 0.500 INCHES MAXIMUM IN
  • Opening Width: 0.438 INCHES MINIMUM IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,box and Open End Box,comb, cataloged under National Stock Number 5120-00-895-9572, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN5120-00-895-9572
Primary Part NumberGGG-W-645
Item NameWrench,box and Open End Box,comb
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Surface TreatmentCHROMIUM AND NICKEL AND OXIDE OVERALL
Wrenching Surface Shape12 POINT BOTH ENDS INTERNAL
Head Angle20.0 DEGREES MAXIMUM
Style DesignatorSTRAIGHT
Wrenching Surface Size0.688 INCHES NOMINAL BOTH ENDS IN
Small End Head Thickness0.500 INCHES MAXIMUM IN
Opening Width0.438 INCHES MINIMUM IN
Large End Head Thickness0.500 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-895-95665120-00-895-9566 INTERCHANGEABLE
Wrench Set,combination Box and O
General Services Administration Federal Supply Service
5120-00-895-9567 INTERCHANGEABLE
Wrench,box and Open End Box,comb
5120-00-895-9568 INTERCHANGEABLE
Wrench,box and Open End Box,comb
5120-00-895-9569 INTERCHANGEABLE
Wrench,box and Open End Box,comb
5120-00-895-9570 INTERCHANGEABLE
Wrench,box and Open End Box,comb
5120-00-895-9571 INTERCHANGEABLE
Wrench,box and Open End Box,comb
5120-00-895-9573 INTERCHANGEABLE
Wrench,box and Open End Box,comb
5120-00-895-9574 INTERCHANGEABLE
Wrench,box and Open End Box,comb
5120-00-895-9575 INTERCHANGEABLE
Wrench,box and Open End Box,comb
5120-00-895-9576 INTERCHANGEABLE
Wrench,box and Open End Box,comb
Cross-Reference Index
Part NumberManufacturer
GGG-W-645 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
GGG-W-645 TY1 General Services Administration Federal Supply Service (USA)
5120-00-895-9566 General Services Administration Federal Supply Service (USA)
0734 2509 Blackwood J. Blackwood & Son Pty Ltd (AUS)
Related Parts
5120-00-895-9566INTERCHANGEABLE
WRENCH SET,COMBINATION BOX AND O
5120-00-895-9566
5120-00-895-9567INTERCHANGEABLE
WRENCH,BOX AND OPEN END BOX,COMB
5120-00-895-9568INTERCHANGEABLE
WRENCH,BOX AND OPEN END BOX,COMB
5120-00-895-9569INTERCHANGEABLE
WRENCH,BOX AND OPEN END BOX,COMB
5120-00-895-9570INTERCHANGEABLE
WRENCH,BOX AND OPEN END BOX,COMB
5120-00-895-9571INTERCHANGEABLE
WRENCH,BOX AND OPEN END BOX,COMB
5120-00-895-9573INTERCHANGEABLE
WRENCH,BOX AND OPEN END BOX,COMB
5120-00-895-9574INTERCHANGEABLE
WRENCH,BOX AND OPEN END BOX,COMB
5120-00-895-9575INTERCHANGEABLE
WRENCH,BOX AND OPEN END BOX,COMB
5120-00-895-9576INTERCHANGEABLE
WRENCH,BOX AND OPEN END BOX,COMB
5120-00-895-9577INTERCHANGEABLE
WRENCH,BOX AND OPEN END BOX,COMB
5120-00-935-7366INTERCHANGEABLE
WRENCH,OPEN END BOX

Frequently Asked Questions

What is NSN 5120-00-895-9572?

NSN 5120-00-895-9572 is a Wrench,box and Open End Box,comb, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-895-9572?

NSN 5120-00-895-9572 has 4 cross-referenced part numbers: GGG-W-645 (Federal Specifications Promulgated by General Services Administration Washington DC), GGG-W-645 TY1 (General Services Administration Federal Supply Service), 5120-00-895-9566 (General Services Administration Federal Supply Service), 0734 2509 (Blackwood J. Blackwood & Son Pty Ltd).

What NSN replaces 5120-00-895-9572?

There are 12 known substitutes for 5120-00-895-9572: 5120-00-895-9566, 5120-00-895-9567, 5120-00-895-9568 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GGG-W-645?

Key specifications for GGG-W-645: Special Features: 7.625 IN. C TO C OF WORKING ENDS IN; Surface Treatment: CHROMIUM AND NICKEL AND OXIDE OVERALL; Wrenching Surface Shape: 12 POINT BOTH ENDS INTERNAL; Head Angle: 20.0 DEGREES MAXIMUM. 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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