PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

669-8RHTerminal,wire Rope,stud

Hartwell Corporation · NSN 4030-00-580-6776 · FSC 4030 · No Item Name Available
Verified by PartsTable
NSN 4030-00-580-6776 — this item is cataloged by the U.S. Government under National Stock Number 4030-00-580-6776. Primary manufacturer part number: 669-8RH.
Features
  • Terminal,wire Rope,stud — FSC 4030
  • Plain Shank Diameter: 0.489 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 24
  • Material: STEEL COMP 303SE AND STEEL COMP 305
  • Accommodated Material Diameter: 0.250 INCHES NOMINAL IN
  • Nominal Thread Size: 0.375 INCHES IN
  • Width Across Flats: 0.500 INCHES NOMINAL IN
  • Hole Diameter: 0.098 INCHES MINIMUM AND 0.103 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 4030-00-580-6776, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 17 commercial cross-references from 14 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
NSN4030-00-580-6776
Primary Part Number669-8RH
Item NameTerminal,wire Rope,stud
FSC / FSG4030 / 40 — No Item Name Available
ManufacturerHartwell Corporation
StatusCANCELLED
Plain Shank Diameter0.489 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN
Thread Quantity Per Inch24
MaterialSTEEL COMP 303SE AND STEEL COMP 305
Accommodated Material Diameter0.250 INCHES NOMINAL IN
Nominal Thread Size0.375 INCHES IN
Width Across Flats0.500 INCHES NOMINAL IN
Hole Diameter0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
Undercut Diameter0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
Plain Shank Length2.438 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Thread Length0.828 INCHES MINIMUM AND 0.922 INCHES MAXIMUM IN
Thread Series DesignatorUNF
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES
Breaking StrengthERR-060
Style DesignatorTHREADED
Surface TreatmentPASSIVATE
Thread Class3A A
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
4030-00-580-6777 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
669-8RH Hartwell Corporation (USA)
669-8RH Macwhyte Co Div of Amsted Industries Inc (USA)
2049219-80D8R The Boeing Company (USA)
669-8RH Aviation Manufacturing Group, Llc Dba the Freeman Company (USA)
AN669-8RH Aeronautical Standards Group Dept of Navy and Air Force (USA)
MILT781 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AN668-8RH 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
MS21260-8RH Hood Industries (USA)
MS21260-8RH Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
669-8RH Acco Industries Inc Sub of Babcock Intl Inc (USA)
NAS650L8RH National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
AN669F8RH Aeronautical Standards Group Dept of Navy and Air Force (USA)
21260-8RH Skf Aerospace France (FRA)
MS21260-8RH Ttm Printed Circuit Group Llc (USA)
2126D-8RH Bell-Memphis Inc (USA)
669-8RH Southco Inc. (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
4030-00-580-6777INTERCHANGEABLE
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 4030-00-580-6776?

NSN 4030-00-580-6776 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 4030-00-580-6776?

NSN 4030-00-580-6776 has 17 cross-referenced part numbers: 669-8RH (Hartwell Corporation), 669-8RH (Macwhyte Co Div of Amsted Industries Inc), 2049219-80D8R (The Boeing Company), 669-8RH (Aviation Manufacturing Group, Llc Dba the Freeman Company), AN669-8RH (Aeronautical Standards Group Dept of Navy and Air Force) and 12 more.

What NSN replaces 4030-00-580-6776?

There are 12 known substitutes for 4030-00-580-6776: 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 669-8RH?

Key specifications for 669-8RH: Plain Shank Diameter: 0.489 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN; Thread Quantity Per Inch: 24; Material: STEEL COMP 303SE AND STEEL COMP 305; Accommodated Material Diameter: 0.250 INCHES NOMINAL IN. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4030-00-580-6776 still in active supply?

NSN 4030-00-580-6776 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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