PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-S-866Bar,metal

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 9510-00-199-9318 · FSC 9510 · No Item Name Available
Verified by PartsTable
NSN 9510-00-199-9318 — this item is cataloged by the U.S. Government under National Stock Number 9510-00-199-9318. Primary manufacturer part number: MIL-S-866.
Features
  • Bar,metal — FSC 9510
  • Length: 12.000 FEET MINIMUM AND 20.000 FEET MAXIMUM FT
  • Length: 12.000 FEET MINIMUM AND 20.000 FEET MAXIMUM FT
  • Material Document and Classification: DOD-F-24669/1 MIL SPEC SINGLE MATERIAL RESPONSE
  • Cross Section Outside Diameter: 4.000 INCHES NOMINAL IN
  • Basic Shape Style: ROUND
  • Cross Section Outside Diameter: 4.000 INCHES NOMINAL IN
  • Material: STEEL
Applications
  • Applications requiring Steel construction
General Description

The Bar,metal, cataloged under National Stock Number 9510-00-199-9318, is classified within Federal Supply Class 9510 (No Item Name Available) of the Metal Bars, Sheets, and Shapes group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9510-00-199-9318
Primary Part NumberMIL-S-866
Item NameBar,metal
FSC / FSG9510 / 95 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Length12.000 FEET MINIMUM AND 20.000 FEET MAXIMUM FT
Length12.000 FEET MINIMUM AND 20.000 FEET MAXIMUM FT
Material Document and ClassificationDOD-F-24669/1 MIL SPEC SINGLE MATERIAL RESPONSE
Cross Section Outside Diameter4.000 INCHES NOMINAL IN
Basic Shape StyleROUND
Cross Section Outside Diameter4.000 INCHES NOMINAL IN
MaterialSTEEL
Weight Per Unit Measure42.700 POUNDS PER LINEAR FOOT LBS
MaterialSTEEL
Fabrication MethodFORGED
Basic Shape StyleROUND
Nondefinitive Spec/std Data4615 CLASS
Nondefinitive Spec/std Data4615 CLASS
Material Document and ClassificationDOD-F-24669/1 MIL SPEC SINGLE MATERIAL RESPONSE
Weight Per Unit Measure42.700 POUNDS PER LINEAR FOOT LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
9505-00-189-7206 INTERCHANGEABLE
Wire,nonelectrical
9510-00-189-7234 INTERCHANGEABLE
Bar,metal
9510-00-199-9312 INTERCHANGEABLE
Bar,metal
9510-00-199-9316 INTERCHANGEABLE
Bar,metal
9510-00-199-9317 INTERCHANGEABLE
Bar,metal
9510-00-261-5741 INTERCHANGEABLE
Bar,metal
Cross-Reference Index
Part NumberManufacturer
MIL-S-866 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
DOD-F-24669/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
9505-00-189-7206INTERCHANGEABLE
WIRE,NONELECTRICAL
9510-00-189-7234INTERCHANGEABLE
BAR,METAL
9510-00-199-9312INTERCHANGEABLE
BAR,METAL
9510-00-199-9316INTERCHANGEABLE
BAR,METAL
9510-00-199-9317INTERCHANGEABLE
BAR,METAL
9510-00-261-5741INTERCHANGEABLE
BAR,METAL

Frequently Asked Questions

What is NSN 9510-00-199-9318?

NSN 9510-00-199-9318 is a Bar,metal, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 9510 (No Item Name Available). Status: active.

What are the part numbers for NSN 9510-00-199-9318?

NSN 9510-00-199-9318 has 2 cross-referenced part numbers: MIL-S-866 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), DOD-F-24669/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 9510-00-199-9318?

There are 6 known substitutes for 9510-00-199-9318: 9505-00-189-7206, 9510-00-189-7234, 9510-00-199-9312 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-S-866?

Key specifications for MIL-S-866: Length: 12.000 FEET MINIMUM AND 20.000 FEET MAXIMUM FT; Length: 12.000 FEET MINIMUM AND 20.000 FEET MAXIMUM FT; Material Document and Classification: DOD-F-24669/1 MIL SPEC SINGLE MATERIAL RESPONSE; Cross Section Outside Diameter: 4.000 INCHES NOMINAL IN. 15 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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