PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

280377Adapter,torque Wrench

Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix · NSN 5120-00-632-2021 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-632-2021 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-632-2021. Primary manufacturer part number: 280377.
Features
  • Adapter,torque Wrench — FSC 5120
  • Surface Treatment: CHROMIUM OVERALL
  • Material: STEEL OVERALL
  • Wrenching Surface Shape: SQUARE SINGLE END EXTERNAL
  • Wrenching Surface Size: 0.485 INCHES MINIMUM AND 0.495 INCHES MAXIMUM SINGLE END IN
  • 3 verified cross-references
  • Primary manufacturer: Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
Applications
  • Applications requiring Steel Overall construction
General Description

The Adapter,torque Wrench, cataloged under National Stock Number 5120-00-632-2021, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-632-2021
Primary Part Number280377
Item NameAdapter,torque Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerHoneywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
StatusACTIVE
Surface TreatmentCHROMIUM OVERALL
MaterialSTEEL OVERALL
Wrenching Surface ShapeSQUARE SINGLE END EXTERNAL
Wrenching Surface Size0.485 INCHES MINIMUM AND 0.495 INCHES MAXIMUM SINGLE END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4820-00-324-433528077-001 INTERCHANGEABLE
Valve,pressure Equalizing,gaseou
Marathonnorco Aerospace, Inc. Dba Marathon Power Technologies Company
5999-00-374-08265214325 INTERCHANGEABLE
Cap,electrical
U S Army Tank Automotive Command Amsta-Im-Mm
6680-00-410-938828077 INTERCHANGEABLE
Switch,liquid Level
Setra Systems, Inc. Dba Gems Sensors
2530-00-734-9298216821 INTERCHANGEABLE
Chamber Brake Asy
Dana Off Highway Products, Llc
5905-01-218-5359 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
5330-01-295-102928077 INTERCHANGEABLE
Gasket
Sullair Corp
6515-01-379-590428077 INTERCHANGEABLE
Support,wrist
Moore H L Co Div of Moore Medical Corp
4320-01-439-2285 INTERCHANGEABLE
Plate,pressure,rotary Pump
5895-01-569-651228077 INTERCHANGEABLE
Control-Indicator
Audiosears Corp Dba Audiosears Corp
Cross-Reference Index
Part NumberManufacturer
280377 PRIMARY Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
280377 Alliedsignal Inc Dba Allied-Signal Aerospace Co (USA)
28077 Honeywell International Inc. Div Aerospace - Torrance (USA)
Related Parts
4820-00-324-4335INTERCHANGEABLE
VALVE,PRESSURE EQUALIZING,GASEOU
28077-001
5999-00-374-0826INTERCHANGEABLE
CAP,ELECTRICAL
5214325
6680-00-410-9388INTERCHANGEABLE
SWITCH,LIQUID LEVEL
28077
2530-00-734-9298INTERCHANGEABLE
CHAMBER BRAKE ASY
216821
5905-01-218-5359INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
5330-01-295-1029INTERCHANGEABLE
GASKET
28077
6515-01-379-5904INTERCHANGEABLE
SUPPORT,WRIST
28077
4320-01-439-2285INTERCHANGEABLE
PLATE,PRESSURE,ROTARY PUMP
5895-01-569-6512INTERCHANGEABLE
CONTROL-INDICATOR
28077

Frequently Asked Questions

What is NSN 5120-00-632-2021?

NSN 5120-00-632-2021 is a Adapter,torque Wrench, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-632-2021?

NSN 5120-00-632-2021 has 3 cross-referenced part numbers: 280377 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix), 280377 (Alliedsignal Inc Dba Allied-Signal Aerospace Co), 28077 (Honeywell International Inc. Div Aerospace - Torrance).

What NSN replaces 5120-00-632-2021?

There are 9 known substitutes for 5120-00-632-2021: 4820-00-324-4335, 5999-00-374-0826, 6680-00-410-9388 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 280377?

Key specifications for 280377: Surface Treatment: CHROMIUM OVERALL; Material: STEEL OVERALL; Wrenching Surface Shape: SQUARE SINGLE END EXTERNAL; Wrenching Surface Size: 0.485 INCHES MINIMUM AND 0.495 INCHES MAXIMUM SINGLE END IN. 4 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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