PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W4Wrench,pipe

Reliance Time Controls Inc · NSN 5120-00-142-5143 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-142-5143 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-142-5143. Primary manufacturer part number: W4.
Features
  • Wrench,pipe — FSC 5120
  • Wrenching Surface Size: 1.900 INCHES MINIMUM AND 8.625 INCHES MAXIMUM SINGLE END IN
  • Material: IRON AND STEEL OVERALL
  • Wrenching Surface Shape: ROUND SINGLE END INTERNAL
  • Style Designator: CHAIN
  • Nondefinitive Spec/std Data: 3 TYPE AND B CLASS
  • 4 verified cross-references
  • Primary manufacturer: Reliance Time Controls Inc
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Iron and Steel Overall construction
General Description

The Wrench,pipe, cataloged under National Stock Number 5120-00-142-5143, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Reliance Time Controls Inc. Government technical data includes 5 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-142-5143
Primary Part NumberW4
Item NameWrench,pipe
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerReliance Time Controls Inc
StatusACTIVE
Wrenching Surface Size1.900 INCHES MINIMUM AND 8.625 INCHES MAXIMUM SINGLE END IN
MaterialIRON AND STEEL OVERALL
Wrenching Surface ShapeROUND SINGLE END INTERNAL
Style DesignatorCHAIN
Nondefinitive Spec/std Data3 TYPE AND B CLASS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5120-00-203-48325120-00-203-4832 INTERCHANGEABLE
Wrench,basin
Kaufman Company, Inc. Dba Kaufman Co Inc
5120-00-204-0729 INTERCHANGEABLE
Wrench,pipe
3426-00-243-3164W4 INTERCHANGEABLE
Tank,hot Dip,directly Heated
Aeroil Products Co Inc
5120-00-270-43105120-00-270-4310 INTERCHANGEABLE
Wrench,pipe
General Services Administration Federal Supply Service
5120-00-277-14615120-00-277-1461 INTERCHANGEABLE
Wrench,pipe
General Services Administration Federal Supply Service
5120-00-557-08195570819 INTERCHANGEABLE
Wrench,pipe
Army, United States Department of the Dba Watervliet Arsenal Div Business Development
3433-00-628-76840323-0130 INTERCHANGEABLE
Tip,welding Torch
Victor Equipment Co
3120-00-661-6781H3120-661-6781 INTERCHANGEABLE
Bearing,sleeve
Naval Inventory Control Point Mechanicsburg
5310-01-180-5093W4 INTERCHANGEABLE
Washer,lock
Mayline Co Inc
5340-01-242-6245W-4 INTERCHANGEABLE
Cap-Plug,protective,dust and Moi
Caplugs Llc Dba Mokon Div Caplugs
Cross-Reference Index
Part NumberManufacturer
GGG-W-00651 TY3CLB General Services Administration Federal Supply Service (USA)
W4 PRIMARY Reliance Time Controls Inc (USA)
5365D16 Mcmaster-Carr Supply Co (USA)
GGG-W-00651 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5120-00-203-4832INTERCHANGEABLE
WRENCH,BASIN
5120-00-203-4832
5120-00-204-0729INTERCHANGEABLE
WRENCH,PIPE
3426-00-243-3164INTERCHANGEABLE
TANK,HOT DIP,DIRECTLY HEATED
W4
5120-00-270-4310INTERCHANGEABLE
WRENCH,PIPE
5120-00-270-4310
5120-00-277-1461INTERCHANGEABLE
WRENCH,PIPE
5120-00-277-1461
5120-00-557-0819INTERCHANGEABLE
WRENCH,PIPE
5570819
3433-00-628-7684INTERCHANGEABLE
TIP,WELDING TORCH
0323-0130
3120-00-661-6781INTERCHANGEABLE
BEARING,SLEEVE
H3120-661-6781
5310-01-180-5093INTERCHANGEABLE
WASHER,LOCK
W4
5340-01-242-6245INTERCHANGEABLE
CAP-PLUG,PROTECTIVE,DUST AND MOI
W-4
5120-01-631-3977INTERCHANGEABLE
WEDGE,TOOL HANDLE
W-4

Frequently Asked Questions

What is NSN 5120-00-142-5143?

NSN 5120-00-142-5143 is a Wrench,pipe, manufactured by Reliance Time Controls Inc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-142-5143?

NSN 5120-00-142-5143 has 4 cross-referenced part numbers: GGG-W-00651 TY3CLB (General Services Administration Federal Supply Service), W4 (Reliance Time Controls Inc), 5365D16 (Mcmaster-Carr Supply Co), GGG-W-00651 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5120-00-142-5143?

There are 11 known substitutes for 5120-00-142-5143: 5120-00-203-4832, 5120-00-204-0729, 3426-00-243-3164 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W4?

Key specifications for W4: Wrenching Surface Size: 1.900 INCHES MINIMUM AND 8.625 INCHES MAXIMUM SINGLE END IN; Material: IRON AND STEEL OVERALL; Wrenching Surface Shape: ROUND SINGLE END INTERNAL; Style Designator: CHAIN. 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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