PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BT-1L (12 IN LB)Wrench,torque

Seekonk Manufacturing Company, Inc. Dba Seekonk Manufacturing Co Inc · NSN 5120-01-046-6355 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-046-6355 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-046-6355. Primary manufacturer part number: BT-1L (12 IN LB).
Features
  • Wrench,torque — FSC 5120
  • Nondefinitive Spec/std Data: 2 TYPE AND B CLASS AND 1 STYLE
  • Style Designator: RIGID FRAME T-HANDLE
  • Drive Surface Size: 0.250 INCHES NOMINAL SINGLE END IN
  • Torque Indicating Mechanism: PRESET-FIXED
  • Torque Capacity: 12.0 INCH-POUNDS NOMINAL IN
  • Torque Signal Method: FEEL IMPULSE
  • Drive End Shape: SQUARE SINGLE END EXTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,torque, cataloged under National Stock Number 5120-01-046-6355, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Seekonk Manufacturing Company, Inc. Dba Seekonk Manufacturing Co Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-046-6355
Primary Part NumberBT-1L (12 IN LB)
Item NameWrench,torque
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerSeekonk Manufacturing Company, Inc. Dba Seekonk Manufacturing Co Inc
StatusACTIVE
Nondefinitive Spec/std Data2 TYPE AND B CLASS AND 1 STYLE
Style DesignatorRIGID FRAME T-HANDLE
Drive Surface Size0.250 INCHES NOMINAL SINGLE END IN
Torque Indicating MechanismPRESET-FIXED
Torque Capacity12.0 INCH-POUNDS NOMINAL IN
Torque Signal MethodFEEL IMPULSE
Drive End ShapeSQUARE SINGLE END EXTERNAL
MaterialSTEEL OVERALL
Specification/standard Data05047-ASME B107.300 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5120-00-104-1836 INTERCHANGEABLE
Wrench,torque
5120-00-618-4790 INTERCHANGEABLE
Wrench,torque
5120-01-120-7986 INTERCHANGEABLE
Wrench,torque
5120-01-624-38095507A811 (38 IN-LBS) INTERCHANGEABLE
Wrench,torque
Mcmaster-Carr Supply Co
5120-01-688-35265507A811 (22 IN-LBS) INTERCHANGEABLE
Wrench,torque
Mcmaster-Carr Supply Co
Cross-Reference Index
Part NumberManufacturer
BT-1L (12 IN LB) PRIMARY Seekonk Manufacturing Company, Inc. Dba Seekonk Manufacturing Co Inc (USA)
BT-1B (12 IN-LB) Seekonk Manufacturing Company, Inc. Dba Seekonk Manufacturing Co Inc (USA)
B107.300 The American Society of Mechanical Engineers (USA)
5168333-1 PRIMARY Naval Sea Systems Command (USA)
B107.14 TY3CLBST2 General Services Administration Federal Supply Service (USA)
Related Parts
5120-00-104-1836INTERCHANGEABLE
WRENCH,TORQUE
5120-00-618-4790INTERCHANGEABLE
WRENCH,TORQUE
5120-01-120-7986INTERCHANGEABLE
WRENCH,TORQUE
5120-01-624-3809INTERCHANGEABLE
WRENCH,TORQUE
5507A811 (38 IN-LBS)
5120-01-688-3526INTERCHANGEABLE
WRENCH,TORQUE
5507A811 (22 IN-LBS)

Frequently Asked Questions

What is NSN 5120-01-046-6355?

NSN 5120-01-046-6355 is a Wrench,torque, manufactured by Seekonk Manufacturing Company, Inc. Dba Seekonk Manufacturing Co Inc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-046-6355?

NSN 5120-01-046-6355 has 5 cross-referenced part numbers: BT-1L (12 IN LB) (Seekonk Manufacturing Company, Inc. Dba Seekonk Manufacturing Co Inc), BT-1B (12 IN-LB) (Seekonk Manufacturing Company, Inc. Dba Seekonk Manufacturing Co Inc), B107.300 (The American Society of Mechanical Engineers), 5168333-1 (Naval Sea Systems Command), B107.14 TY3CLBST2 (General Services Administration Federal Supply Service).

What NSN replaces 5120-01-046-6355?

There are 5 known substitutes for 5120-01-046-6355: 5120-00-104-1836, 5120-00-618-4790, 5120-01-120-7986 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BT-1L (12 IN LB)?

Key specifications for BT-1L (12 IN LB): Nondefinitive Spec/std Data: 2 TYPE AND B CLASS AND 1 STYLE; Style Designator: RIGID FRAME T-HANDLE; Drive Surface Size: 0.250 INCHES NOMINAL SINGLE END IN; Torque Indicating Mechanism: PRESET-FIXED. 10 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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