PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7RWrench,plier

Irwin Industrial Tool Company Dba Irwin Construction Accessories · NSN 5120-01-336-7766 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-336-7766 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-336-7766. Primary manufacturer part number: 7R.
Features
  • Wrench,plier — FSC 5120
  • Material: STEEL OVERALL
  • Wrenching Surface Size: 1.125 INCHES MAXIMUM SINGLE END IN
  • Style Designator: TWO STRAIGHT JAWS
  • 4 verified cross-references
  • Primary manufacturer: Irwin Industrial Tool Company Dba Irwin Construction Accessories
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,plier, cataloged under National Stock Number 5120-01-336-7766, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Irwin Industrial Tool Company Dba Irwin Construction Accessories. Government technical data includes 3 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
NSN5120-01-336-7766
Primary Part Number7R
Item NameWrench,plier
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerIrwin Industrial Tool Company Dba Irwin Construction Accessories
StatusACTIVE
MaterialSTEEL OVERALL
Wrenching Surface Size1.125 INCHES MAXIMUM SINGLE END IN
Style DesignatorTWO STRAIGHT JAWS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5340-00-205-7081 INTERCHANGEABLE
Hook,screw
5120-00-277-42437R INTERCHANGEABLE
Wrench,plier
Petersen Mfg Co Inc
5120-00-293-0186 INTERCHANGEABLE
Pliers,retaining Ring
6520-01-153-6147 INTERCHANGEABLE
Knife,plaster
6520-01-416-61777R INTERCHANGEABLE
Chuck,buffing,polis
Handler Manufacturing Company Inc
5331-01-648-36857R INTERCHANGEABLE
O-Ring
Subsalve Usa Llc
Cross-Reference Index
Part NumberManufacturer
7R Irwin Industrial Tool Company Dba Irwin Construction Accessories (USA)
5120PL1077226 Jednolity Indeks Materialowy - Uniform Material Index (POL)
7R Irwin Industrial Tool Company (USA)
PRT7R Acklands-Grainger (CAN)
Related Parts
5340-00-205-7081INTERCHANGEABLE
HOOK,SCREW
5120-00-277-4243INTERCHANGEABLE
WRENCH,PLIER
7R
5120-00-293-0186INTERCHANGEABLE
PLIERS,RETAINING RING
6520-01-153-6147INTERCHANGEABLE
KNIFE,PLASTER
6520-01-416-6177INTERCHANGEABLE
CHUCK,BUFFING,POLIS
7R
5331-01-648-3685INTERCHANGEABLE
O-RING
7R

Frequently Asked Questions

What is NSN 5120-01-336-7766?

NSN 5120-01-336-7766 is a Wrench,plier, manufactured by Irwin Industrial Tool Company Dba Irwin Construction Accessories, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-336-7766?

NSN 5120-01-336-7766 has 4 cross-referenced part numbers: 7R (Irwin Industrial Tool Company Dba Irwin Construction Accessories), 5120PL1077226 (Jednolity Indeks Materialowy - Uniform Material Index), 7R (Irwin Industrial Tool Company), PRT7R (Acklands-Grainger).

What NSN replaces 5120-01-336-7766?

There are 6 known substitutes for 5120-01-336-7766: 5340-00-205-7081, 5120-00-277-4243, 5120-00-293-0186 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7R?

Key specifications for 7R: Material: STEEL OVERALL; Wrenching Surface Size: 1.125 INCHES MAXIMUM SINGLE END IN; Style Designator: TWO STRAIGHT JAWS; Special Features: LOCKING PLIERS. 5 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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