PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

669-8LHTerminal,wire Rope,stud

Hartwell Corporation · NSN 4030-00-580-6777 · FSC 4030 · No Item Name Available
Verified by PartsTable
NSN 4030-00-580-6777 — this item is cataloged by the U.S. Government under National Stock Number 4030-00-580-6777. Primary manufacturer part number: 669-8LH.
Features
  • Terminal,wire Rope,stud — FSC 4030
  • Surface Treatment: PASSIVATE
  • Thread Class: 3A A
  • Thread Series Designator: UNF
  • Thread Quantity Per Inch: 24
  • Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES
  • Nondefinitive Spec/std Data: 1 TYPE
  • Plain Shank Length: 2.438 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN
Applications
  • Electrical power distribution
  • Signal transmission
  • Equipment interconnection
  • Applications requiring Steel Comp 303SE and Steel Comp 305 construction
General Description

The Terminal,wire Rope,stud, cataloged under National Stock Number 4030-00-580-6777, is classified within Federal Supply Class 4030 (No Item Name Available) of the Rope, Cable, Chain, and Fittings group. The primary manufacturer of record is Hartwell Corporation. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 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
NSN4030-00-580-6777
Primary Part Number669-8LH
Item NameTerminal,wire Rope,stud
FSC / FSG4030 / 40 — No Item Name Available
ManufacturerHartwell Corporation
StatusCANCELLED
Surface TreatmentPASSIVATE
Thread Class3A A
Thread Series DesignatorUNF
Thread Quantity Per Inch24
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES
Nondefinitive Spec/std Data1 TYPE
Plain Shank Length2.438 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN
Specification/standard Data80205-NAS650 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MaterialSTEEL COMP 303SE AND STEEL COMP 305
Undercut Diameter0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
Plain Shank Diameter0.489 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN
Hole Diameter0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
Thread Length0.828 INCHES MINIMUM AND 0.922 INCHES MAXIMUM IN
Breaking StrengthERR-060
Nominal Thread Size0.375 INCHES IN
Inside Diameter0.265 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Width Across Flats0.500 INCHES NOMINAL IN
Style DesignatorTHREADED
Thread DirectionLEFT-HAND
Accommodated Material Diameter0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4030-00-132-9180 INTERCHANGEABLE
Terminal,rope,swaging
4030-00-298-3419 INTERCHANGEABLE
Terminal,rope,swaging
4030-00-580-6773 INTERCHANGEABLE
Terminal,wire Rope,stud
4030-00-580-6775 INTERCHANGEABLE
Terminal,wire Rope,stud
4030-00-580-6776 INTERCHANGEABLE
Terminal,wire Rope,stud
4030-00-580-6778 INTERCHANGEABLE
Terminal,wire Rope,stud
4030-00-580-6779 INTERCHANGEABLE
Terminal,wire Rope,stud
4030-00-580-6781 INTERCHANGEABLE
Terminal,wire Rope,stud
4030-00-580-6786 INTERCHANGEABLE
Terminal,wire Rope,stud
4030-00-580-6787 INTERCHANGEABLE
Terminal,wire Rope,stud
Cross-Reference Index
Part NumberManufacturer
669-8LH Hartwell Corporation (USA)
669-8LH Macwhyte Co Div of Amsted Industries Inc (USA)
2049219-80D8L The Boeing Company (USA)
MS21260-8LH Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AN669F8LH Aeronautical Standards Group Dept of Navy and Air Force (USA)
MIL-DTL-781 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
669-8LH Acco Industries Inc Sub of Babcock Intl Inc (USA)
NAS650L8LH National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MILT781 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2049219-80D8L The Boeing Company (USA)
21260-8LH Bell-Memphis Inc (USA)
669-8LH Southco Inc. (USA)
MS21260-8LH Hood Industries (USA)
AN669-8LH Aeronautical Standards Group Dept of Navy and Air Force (USA)
Related Parts
4030-00-132-9180INTERCHANGEABLE
TERMINAL,ROPE,SWAGING
4030-00-298-3419INTERCHANGEABLE
TERMINAL,ROPE,SWAGING
4030-00-580-6773INTERCHANGEABLE
TERMINAL,WIRE ROPE,STUD
4030-00-580-6775INTERCHANGEABLE
TERMINAL,WIRE ROPE,STUD
4030-00-580-6776INTERCHANGEABLE
TERMINAL,WIRE ROPE,STUD
4030-00-580-6778INTERCHANGEABLE
TERMINAL,WIRE ROPE,STUD
4030-00-580-6779INTERCHANGEABLE
TERMINAL,WIRE ROPE,STUD
4030-00-580-6781INTERCHANGEABLE
TERMINAL,WIRE ROPE,STUD
4030-00-580-6786INTERCHANGEABLE
TERMINAL,WIRE ROPE,STUD
4030-00-580-6787INTERCHANGEABLE
TERMINAL,WIRE ROPE,STUD
4030-00-580-6792INTERCHANGEABLE
TERMINAL,WIRE ROPE,STUD
4030-00-641-3921INTERCHANGEABLE
SWAGING SLEEVE,AIRC
BACT14A6

Frequently Asked Questions

What is NSN 4030-00-580-6777?

NSN 4030-00-580-6777 is a Terminal,wire Rope,stud, manufactured by Hartwell Corporation, classified under FSC 4030 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4030-00-580-6777?

NSN 4030-00-580-6777 has 14 cross-referenced part numbers: 669-8LH (Hartwell Corporation), 669-8LH (Macwhyte Co Div of Amsted Industries Inc), 2049219-80D8L (The Boeing Company), MS21260-8LH (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), AN669F8LH (Aeronautical Standards Group Dept of Navy and Air Force) and 9 more.

What NSN replaces 4030-00-580-6777?

There are 12 known substitutes for 4030-00-580-6777: 4030-00-132-9180, 4030-00-298-3419, 4030-00-580-6773 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 669-8LH?

Key specifications for 669-8LH: Surface Treatment: PASSIVATE; Thread Class: 3A A; Thread Series Designator: UNF; Thread Quantity Per Inch: 24. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4030-00-580-6777 still in active supply?

NSN 4030-00-580-6777 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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