PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T363Wrench,socket

Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems · NSN 5120-00-887-0957 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-887-0957 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-887-0957. Primary manufacturer part number: T363.
Features
  • Wrench,socket — FSC 5120
  • Surface Treatment: CHROMIUM AND NICKEL AND OXIDE OVERALL
  • Wrenching Surface Size: 1.187 INCHES NOMINAL SINGLE END IN
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Style Designator: SINGLE SOCKET T
  • Material: STEEL OVERALL
  • 1 verified cross-reference
  • Primary manufacturer: Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,socket, cataloged under National Stock Number 5120-00-887-0957, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems. Government technical data includes 5 verified specifications, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-887-0957
Primary Part NumberT363
Item NameWrench,socket
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerBae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
StatusACTIVE
Surface TreatmentCHROMIUM AND NICKEL AND OXIDE OVERALL
Wrenching Surface Size1.187 INCHES NOMINAL SINGLE END IN
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Style DesignatorSINGLE SOCKET T
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4920-00-402-3074T363 INTERCHANGEABLE
Fixture,aircraft Maintenance
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
5330-00-599-445317-13-5 INTERCHANGEABLE
Gasket
Trailmobile Inc Sub of the Pullman Co
Cross-Reference Index
Part NumberManufacturer
T363 PRIMARY Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
Related Parts
4920-00-402-3074INTERCHANGEABLE
FIXTURE,AIRCRAFT MAINTENANCE
T363
5330-00-599-4453INTERCHANGEABLE
GASKET
17-13-5

Frequently Asked Questions

What is NSN 5120-00-887-0957?

NSN 5120-00-887-0957 is a Wrench,socket, manufactured by Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-887-0957?

NSN 5120-00-887-0957 has 1 cross-referenced part number: T363 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems).

What NSN replaces 5120-00-887-0957?

There are 2 known substitutes for 5120-00-887-0957: 4920-00-402-3074, 5330-00-599-4453. Verify interchangeability with system specifications before substitution.

What are the specifications of T363?

Key specifications for T363: Surface Treatment: CHROMIUM AND NICKEL AND OXIDE OVERALL; Overall Length: 2.625 INCHES NOMINAL IN; Wrenching Surface Size: 1.187 INCHES NOMINAL SINGLE END IN; Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL. 7 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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