PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

J818HDWrench,pipe

The Stanley Works Dba Stanley Proto · NSN 5120-01-399-8980 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-399-8980 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-399-8980. Primary manufacturer part number: J818HD.
Features
  • Wrench,pipe — FSC 5120
  • Wrenching Surface Shape: RECTANGULAR SINGLE END INTERNAL
  • Style Designator: STRAIGHT JAW
  • Wrenching Surface Size: 2.500 INCHES MAXIMUM SINGLE END IN
  • Material: IRON HANDLE
  • 3 verified cross-references
  • Primary manufacturer: The Stanley Works Dba Stanley Proto
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Iron Handle construction
General Description

The Wrench,pipe, cataloged under National Stock Number 5120-01-399-8980, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is The Stanley Works Dba Stanley Proto. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-399-8980
Primary Part NumberJ818HD
Item NameWrench,pipe
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThe Stanley Works Dba Stanley Proto
StatusACTIVE
Wrenching Surface ShapeRECTANGULAR SINGLE END INTERNAL
Style DesignatorSTRAIGHT JAW
Wrenching Surface Size2.500 INCHES MAXIMUM SINGLE END IN
MaterialIRON HANDLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4720-00-064-7810 INTERCHANGEABLE
Hose,preformed
4720-00-605-485181441 INTERCHANGEABLE
Hose,preformed
Dayco Products Inc
Cross-Reference Index
Part NumberManufacturer
3R416 W.w. Grainger, Inc. Div Government Sales Division (USA)
J818HD PRIMARY The Stanley Works Dba Stanley Proto (USA)
818HD The Stanley Works Dba Stanley Proto (USA)
Related Parts
4720-00-064-7810INTERCHANGEABLE
HOSE,PREFORMED
4720-00-605-4851INTERCHANGEABLE
HOSE,PREFORMED
81441

Frequently Asked Questions

What is NSN 5120-01-399-8980?

NSN 5120-01-399-8980 is a Wrench,pipe, manufactured by The Stanley Works Dba Stanley Proto, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-399-8980?

NSN 5120-01-399-8980 has 3 cross-referenced part numbers: 3R416 (W.w. Grainger, Inc. Div Government Sales Division), J818HD (The Stanley Works Dba Stanley Proto), 818HD (The Stanley Works Dba Stanley Proto).

What NSN replaces 5120-01-399-8980?

There are 2 known substitutes for 5120-01-399-8980: 4720-00-064-7810, 4720-00-605-4851. Verify interchangeability with system specifications before substitution.

What are the specifications of J818HD?

Key specifications for J818HD: Wrenching Surface Shape: RECTANGULAR SINGLE END INTERNAL; Style Designator: STRAIGHT JAW; Wrenching Surface Size: 2.500 INCHES MAXIMUM SINGLE END IN; Material: IRON HANDLE. 6 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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