PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

138-33Wrench,open End

Lucent Technologies Inc Corporate Headquarters · NSN 5120-00-412-9074 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-412-9074 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-412-9074. Primary manufacturer part number: 138-33.
Features
  • Wrench,open End — FSC 5120
  • 7 verified cross-references
  • Primary manufacturer: Lucent Technologies Inc Corporate Headquarters
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Wrench,open End, cataloged under National Stock Number 5120-00-412-9074, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Lucent Technologies Inc Corporate Headquarters. This item has 7 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.

Catalog Facts
Item NameWrench,open End
FSC / FSG5120 — No Item Name Available (FSG 51)
ManufacturersAt and T Corp (CAGE 70408); Lucent Technologies Inc Corporate Headquarters (CAGE 3B4M0); American Telephone and Telegraph Co (CAGE 64959); Telemechanics Inc (CAGE 57712)
Technical Specifications
ParameterValue
NSN5120-00-412-9074
Primary Part Number138-33
Item NameWrench,open End
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerLucent Technologies Inc Corporate Headquarters
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5950-00-005-2521920011-7 INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon
4820-00-468-108523256 INTERCHANGEABLE
Housing Diaphragm
Leslie Controls, Inc. Dba Leslie Controls Inc
5305-00-484-2437 INTERCHANGEABLE
Screw,machine
4720-00-974-1654 INTERCHANGEABLE
Hose Assembly,nonmetallic
6530-01-504-355613833 INTERCHANGEABLE
Tray,instrument
Advanced Sterilization Products Services Inc.
5315-01-728-062813-833 INTERCHANGEABLE
Pin,straight,headless
Konrad Marine Inc Div Konrad Marine
Cross-Reference Index
Part NumberManufacturer
125760 At and T Corp (USA)
138-33 PRIMARY Lucent Technologies Inc Corporate Headquarters (USA)
125760 American Telephone and Telegraph Co (USA)
125760 PRIMARY Lucent Technologies Inc Corporate Headquarters (USA)
138-33 American Telephone and Telegraph Co (USA)
138-33 At and T Corp (USA)
125760 PRIMARY Telemechanics Inc (USA)
Related Parts
5950-00-005-2521INTERCHANGEABLE
COIL,RADIO FREQUENCY
920011-7
4820-00-468-1085INTERCHANGEABLE
HOUSING DIAPHRAGM
23256
5305-00-484-2437INTERCHANGEABLE
SCREW,MACHINE
4720-00-974-1654INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
6530-01-504-3556INTERCHANGEABLE
TRAY,INSTRUMENT
13833
5315-01-728-0628INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
13-833

Frequently Asked Questions

What is NSN 5120-00-412-9074?

NSN 5120-00-412-9074 is a Wrench,open End, manufactured by Lucent Technologies Inc Corporate Headquarters, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-412-9074?

NSN 5120-00-412-9074 has 7 cross-referenced part numbers: 125760 (At and T Corp), 138-33 (Lucent Technologies Inc Corporate Headquarters), 125760 (American Telephone and Telegraph Co), 125760 (Lucent Technologies Inc Corporate Headquarters), 138-33 (American Telephone and Telegraph Co) and 2 more.

What NSN replaces 5120-00-412-9074?

There are 6 known substitutes for 5120-00-412-9074: 5950-00-005-2521, 4820-00-468-1085, 5305-00-484-2437 and 3 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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