PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BT-1Wrench,torque

Naval Sea Systems Command · NSN 5120-01-120-7986 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-120-7986 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-120-7986. Primary manufacturer part number: BT-1.
Features
  • Wrench,torque — FSC 5120
  • Nondefinitive Spec/std Data: 3 TYPE AND B CLASS AND 2 STYLE
  • Specification/standard Data: 05047-ASME B107.300 CAT 14 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Style Designator: RIGID FRAME T-HANDLE
  • Torque Indicating Mechanism: PRESET-FIXED
  • Material: STEEL OVERALL
  • Drive Surface Size: 0.250 INCHES NOMINAL SINGLE END IN
  • Drive End Shape: SQUARE SINGLE END EXTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,torque, cataloged under National Stock Number 5120-01-120-7986, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-120-7986
Primary Part NumberBT-1
Item NameWrench,torque
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Nondefinitive Spec/std Data3 TYPE AND B CLASS AND 2 STYLE
Specification/standard Data05047-ASME B107.300 CAT 14 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Style DesignatorRIGID FRAME T-HANDLE
Torque Indicating MechanismPRESET-FIXED
MaterialSTEEL OVERALL
Drive Surface Size0.250 INCHES NOMINAL SINGLE END IN
Drive End ShapeSQUARE SINGLE END EXTERNAL
Torque Signal MethodFEEL IMPULSE
Torque Capacity0.0 INCH-POUNDS MINIMUM AND 18.0 INCH-POUNDS MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5910-00-073-9978 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
5120-00-104-1836 INTERCHANGEABLE
Wrench,torque
5905-00-403-5608 INTERCHANGEABLE
Resistor,fixed,composition
5220-00-477-0877BT-1 INTERCHANGEABLE
Gage,amplifier
Warner and Swasey Co Sheffield Measurement Div Sub of Cross and Trecker Corp
5120-00-618-4790 INTERCHANGEABLE
Wrench,torque
6140-00-635-234012SR23 INTERCHANGEABLE
Battery,storage
Stryten Energy Llc
5940-00-707-77533BA58 INTERCHANGEABLE
Terminal,lug
Wheeler Fleet Solutions, Co.
5905-00-802-0892 INTERCHANGEABLE
Resistor,fixed,film
5120-00-926-517511120 INTERCHANGEABLE
Brush,battery Terminal
Lisle Corp
5120-01-046-63555168333-1 INTERCHANGEABLE
Wrench,torque
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
BT-1 Naval Sea Systems Command (USA)
5168333-4 Naval Sea Systems Command (USA)
BT-1B (18 IN-LB) Seekonk Manufacturing Company, Inc. Dba Seekonk Manufacturing Co Inc (USA)
B107.300 CAT 14 TY3CLBST2 General Services Administration Federal Supply Service (USA)
B107.300 The American Society of Mechanical Engineers (USA)
B107.14 TY3CLBST2 General Services Administration Federal Supply Service (USA)
A-A-2413 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
B107.14 The American Society of Mechanical Engineers (USA)
Related Parts
5910-00-073-9978INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
5120-00-104-1836INTERCHANGEABLE
WRENCH,TORQUE
5905-00-403-5608INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5220-00-477-0877INTERCHANGEABLE
GAGE,AMPLIFIER
BT-1
5120-00-618-4790INTERCHANGEABLE
WRENCH,TORQUE
6140-00-635-2340INTERCHANGEABLE
BATTERY,STORAGE
12SR23
5940-00-707-7753INTERCHANGEABLE
TERMINAL,LUG
3BA58
5905-00-802-0892INTERCHANGEABLE
RESISTOR,FIXED,FILM
5120-00-926-5175INTERCHANGEABLE
BRUSH,BATTERY TERMINAL
11120
5120-01-046-6355INTERCHANGEABLE
WRENCH,TORQUE
5168333-1
5120-01-046-6356INTERCHANGEABLE
WRENCH,TORQUE
5168333-2
5120-01-344-2874INTERCHANGEABLE
WRENCH,TORQUE
5507A811

Frequently Asked Questions

What is NSN 5120-01-120-7986?

NSN 5120-01-120-7986 is a Wrench,torque, manufactured by Naval Sea Systems Command, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-120-7986?

NSN 5120-01-120-7986 has 8 cross-referenced part numbers: BT-1 (Naval Sea Systems Command), 5168333-4 (Naval Sea Systems Command), BT-1B (18 IN-LB) (Seekonk Manufacturing Company, Inc. Dba Seekonk Manufacturing Co Inc), B107.300 CAT 14 TY3CLBST2 (General Services Administration Federal Supply Service), B107.300 (The American Society of Mechanical Engineers) and 3 more.

What NSN replaces 5120-01-120-7986?

There are 12 known substitutes for 5120-01-120-7986: 5910-00-073-9978, 5120-00-104-1836, 5905-00-403-5608 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BT-1?

Key specifications for BT-1: Overall Length: 3.000 INCHES MINIMUM AND 4.000 INCHES MAXIMUM IN; Nondefinitive Spec/std Data: 3 TYPE AND B CLASS AND 2 STYLE; Specification/standard Data: 05047-ASME B107.300 CAT 14 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Style Designator: RIGID FRAME T-HANDLE. 11 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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