PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AD-1377-1Crimping Tool,terminal,hand

Te Connectivity Corporation Dba Raychem Product Division · NSN 5120-01-120-8721 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-120-8721 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-120-8721. Primary manufacturer part number: AD-1377-1.
Features
  • Crimping Tool,terminal,hand — FSC 5120
  • Wire Size Accommodated: 12.000 AWG MINIMUM AND 26.000 AWG MAXIMUM
  • Environmental Attribute Code: PLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
  • Specification/standard Data: 0U583-SAE AS22520 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Nondefinitive Spec/std Data: 1 TYPE
  • Operation Method: MANUAL COMPRESSION
  • 16 verified cross-references
  • Primary manufacturer: Te Connectivity Corporation Dba Raychem Product Division
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Crimping Tool,terminal,hand, cataloged under National Stock Number 5120-01-120-8721, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Te Connectivity Corporation Dba Raychem Product Division. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-120-8721
Primary Part NumberAD-1377-1
Item NameCrimping Tool,terminal,hand
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerTe Connectivity Corporation Dba Raychem Product Division
StatusCANCELLED
Wire Size Accommodated12.000 AWG MINIMUM AND 26.000 AWG MAXIMUM
Environmental Attribute CodePLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
Specification/standard Data0U583-SAE AS22520 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Nondefinitive Spec/std Data1 TYPE
Operation MethodMANUAL COMPRESSION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5120-00-045-687010652923 INTERCHANGEABLE
Crimping Tool,terminal,hand
Us Army Aviation and Missile Command
5120-00-165-3910AFM8 INTERCHANGEABLE
Crimping Tool,terminal,hand
Daniels Manufacturing Corporation
5120-00-410-441758495-1 INTERCHANGEABLE
Crimping Tool,terminal,hand
Newark Electronics Corporation Dba Newark
5120-00-596-9313HX4-501 INTERCHANGEABLE
Crimping Tool,terminal,hand
Daniels Manufacturing Corporation
5120-00-739-1493107-0945 INTERCHANGEABLE
Locator,crimping Tool
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
3436-01-063-2139 INTERCHANGEABLE
Positioner,crimping Tool
5120-01-335-8260Y110P INTERCHANGEABLE
Die,crimping Tool
Daniels Manufacturing Corporation
5120-01-335-8575HX4 INTERCHANGEABLE
Crimping Tool,terminal,hand
Daniels Manufacturing Corporation
5120-01-335-8619K406 INTERCHANGEABLE
Contact Positioner,terminal Crim
Daniels Manufacturing Corporation
5120-01-335-8627K42 INTERCHANGEABLE
Contact Positioner,terminal Crim
Daniels Manufacturing Corporation
Cross-Reference Index
Part NumberManufacturer
GMT232 Oceta (FRA)
AD1377 Tyco Electronics Uk Ltd (GBR)
AD-1377-1 PRIMARY Te Connectivity Corporation Dba Raychem Product Division (USA)
M22520/37-01 General Services Administration Federal Supply Service (USA)
GMT232 Max3 Srl (ITA)
AS22520/37 TY1 Sae International Dba Sae International (USA)
M22520/37-01 TY1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M22520/3701 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AD1377-5 Te Connectivity Corporation Dba Raychem Product Division (USA)
3137CT Rostra Tool Company Dba Sargent Quality Tools (USA)
AS22520 Sae International Dba Sae International (USA)
AD-1377 Te Connectivity Corporation Dba Raychem Product Division (USA)
GMT232 Crimp-Tech Australia Pty Ltd (AUS)
AD1377 Airbus Helicopters (ets De Marignane) (FRA)
GMT232 Daniels Manufacturing Corporation (USA)
MIL-DTL-22520 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5120-00-045-6870INTERCHANGEABLE
CRIMPING TOOL,TERMINAL,HAND
10652923
5120-00-165-3910INTERCHANGEABLE
CRIMPING TOOL,TERMINAL,HAND
AFM8
5120-00-410-4417INTERCHANGEABLE
CRIMPING TOOL,TERMINAL,HAND
58495-1
5120-00-596-9313INTERCHANGEABLE
CRIMPING TOOL,TERMINAL,HAND
HX4-501
5120-00-739-1493INTERCHANGEABLE
LOCATOR,CRIMPING TOOL
107-0945
3436-01-063-2139INTERCHANGEABLE
POSITIONER,CRIMPING TOOL
5120-01-335-8260INTERCHANGEABLE
DIE,CRIMPING TOOL
Y110P
5120-01-335-8575INTERCHANGEABLE
CRIMPING TOOL,TERMINAL,HAND
HX4
5120-01-335-8619INTERCHANGEABLE
CONTACT POSITIONER,TERMINAL CRIM
K406
5120-01-335-8627INTERCHANGEABLE
CONTACT POSITIONER,TERMINAL CRIM
K42
5120-01-335-8628INTERCHANGEABLE
CONTACT POSITIONER,TERMINAL CRIM
5120-01-335-8836INTERCHANGEABLE
CONTACT POSITIONER,TERMINAL CRIM
TH163

Frequently Asked Questions

What is NSN 5120-01-120-8721?

NSN 5120-01-120-8721 is a Crimping Tool,terminal,hand, manufactured by Te Connectivity Corporation Dba Raychem Product Division, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-01-120-8721?

NSN 5120-01-120-8721 has 16 cross-referenced part numbers: GMT232 (Oceta), AD1377 (Tyco Electronics Uk Ltd), AD-1377-1 (Te Connectivity Corporation Dba Raychem Product Division), M22520/37-01 (General Services Administration Federal Supply Service), GMT232 (Max3 Srl) and 11 more.

What NSN replaces 5120-01-120-8721?

There are 12 known substitutes for 5120-01-120-8721: 5120-00-045-6870, 5120-00-165-3910, 5120-00-410-4417 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AD-1377-1?

Key specifications for AD-1377-1: Wire Size Accommodated: 12.000 AWG MINIMUM AND 26.000 AWG MAXIMUM; Environmental Attribute Code: PLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT; Specification/standard Data: 0U583-SAE AS22520 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Special Features: RATCHETING; COMFORT GRIP HANDLES; FOR CRIMPING M81824/1-XX LOW PROFILE ENVIRONMENTAL SPLICES. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-120-8721 still in active supply?

NSN 5120-01-120-8721 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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