PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31310Wrench,pipe

Ridge Tool Company · NSN 5120-01-666-5799 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-666-5799 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-666-5799. Primary manufacturer part number: 31310.
Features
  • Wrench,pipe — FSC 5120
  • Style Designator: CHAIN
  • 1 verified cross-reference
  • Primary manufacturer: Ridge Tool Company
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Wrench,pipe, cataloged under National Stock Number 5120-01-666-5799, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Ridge Tool Company. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-666-5799
Primary Part Number31310
Item NameWrench,pipe
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerRidge Tool Company
StatusACTIVE
Style DesignatorCHAIN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5940-00-107-1481MS20659-104 INTERCHANGEABLE
Terminal,lug
Sae International Dba Sae International
5920-00-221-58927478924P16 INTERCHANGEABLE
Fuse,cartridge
Lockheed Martin Corporation Div Rms
4730-00-554-7832 INTERCHANGEABLE
Adapter,straight,tube to Hose
5306-01-236-614331310 INTERCHANGEABLE
Bolt,machine
Moog Inc. Dba Ampac-Isp Corp
2930-01-240-612031521 INTERCHANGEABLE
Cap,filler Opening
Gates Corporation
3110-01-316-532431310 INTERCHANGEABLE
Bearing,roller,tapered
Skf Usa Inc.
5110-01-429-65025110-01-429-6502 INTERCHANGEABLE
File,hand
General Services Administration Federal Supply Service
2920-01-430-73381530583 INTERCHANGEABLE
Switch,lock,ignition
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
5120-01-470-181431310 INTERCHANGEABLE
Flaring Tool,tube,hand
Lisle Corp
7025-01-494-235531310 INTERCHANGEABLE
Disk Drive Unit
Iomega Corporation
Cross-Reference Index
Part NumberManufacturer
31310 PRIMARY Ridge Tool Company (USA)
Related Parts
5940-00-107-1481INTERCHANGEABLE
TERMINAL,LUG
MS20659-104
5920-00-221-5892INTERCHANGEABLE
FUSE,CARTRIDGE
7478924P16
4730-00-554-7832INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
5306-01-236-6143INTERCHANGEABLE
BOLT,MACHINE
31310
2930-01-240-6120INTERCHANGEABLE
CAP,FILLER OPENING
31521
3110-01-316-5324INTERCHANGEABLE
BEARING,ROLLER,TAPERED
31310
5110-01-429-6502INTERCHANGEABLE
FILE,HAND
5110-01-429-6502
2920-01-430-7338INTERCHANGEABLE
SWITCH,LOCK,IGNITION
1530583
5120-01-470-1814INTERCHANGEABLE
FLARING TOOL,TUBE,HAND
31310
7025-01-494-2355INTERCHANGEABLE
DISK DRIVE UNIT
31310
5120-01-604-5677INTERCHANGEABLE
WRENCH,UNIVERSAL CHAIN
31310

Frequently Asked Questions

What is NSN 5120-01-666-5799?

NSN 5120-01-666-5799 is a Wrench,pipe, manufactured by Ridge Tool Company, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-666-5799?

NSN 5120-01-666-5799 has 1 cross-referenced part number: 31310 (Ridge Tool Company).

What NSN replaces 5120-01-666-5799?

There are 11 known substitutes for 5120-01-666-5799: 5940-00-107-1481, 5920-00-221-5892, 4730-00-554-7832 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31310?

Key specifications for 31310: Special Features: LIGHT-DUTY CHAIN WRENCH PIPE CAPACITY:2",ACTUAL O.D. CAPCITY:4",CHAIN LENGTH:15 1/4",WEIGHT:1 3/4LBS,COLOR:RED LBS; Style Designator: CHAIN. 2 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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