PartsTable TECHNICAL DATA SHEET
OCTOBER 2026Technical Data Sheet

MILS20166Bar,metal

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 9510-00-126-1014 · FSC 9510 · No Item Name Available
Verified by PartsTable
NSN 9510-00-126-1014 — this item is cataloged by the U.S. Government under National Stock Number 9510-00-126-1014. Primary manufacturer part number: MILS20166.
Features
  • Bar,metal — FSC 9510
  • Length: 8.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
  • Cross Section Outside Diameter: 3.000 INCHES NOMINAL IN
  • Material: STEEL COMP 8620
  • Material Document and Classification: MIL-S-20166, GRADE HT MIL SPEC 1ST MATERIAL RESPONSE
  • Criticality Code Justification: ZZZX
  • Nondefinitive Spec/std Data: HT GRADE AND U TYPE
  • Departure From Cited Designator: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
Applications
  • Applications requiring Steel Comp 8620 construction
General Description

The Bar,metal, cataloged under National Stock Number 9510-00-126-1014, 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 10 verified specifications, sourced from the Federal Logistics Information System. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the government interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9510-00-126-1014
Primary Part NumberMILS20166
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
Length8.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Cross Section Outside Diameter3.000 INCHES NOMINAL IN
MaterialSTEEL COMP 8620
Material Document and ClassificationMIL-S-20166, GRADE HT MIL SPEC 1ST MATERIAL RESPONSE
Criticality Code JustificationZZZX
Nondefinitive Spec/std DataHT GRADE AND U TYPE
Departure From Cited DesignatorMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
Surface ConditionGROUND OVERALL
Heat TreatmentAS FABRICATED
Basic Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
⇄ Verified Substitutes 12
5925-00-113-5066 INTERCHANGEABLE
Circuit Breaker
9520-00-277-4438 INTERCHANGEABLE
Channel,structural
9520-00-277-4441 INTERCHANGEABLE
Channel,structural
9520-00-277-4457 INTERCHANGEABLE
Beam,structural
9520-00-277-4459 INTERCHANGEABLE
Beam,structural
9520-00-277-4460 INTERCHANGEABLE
Beam,structural
9520-00-277-4461 INTERCHANGEABLE
Beam,structural
9520-00-277-4462 INTERCHANGEABLE
Beam,structural
9520-00-277-4463 INTERCHANGEABLE
Beam,structural
9520-00-277-4944 INTERCHANGEABLE
Angle,structural
Cross-Reference Index
Part NumberManufacturer
MILS20166 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
ASTM-A322,GR G86200,3 INCH ROU Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
ASTM-A322,GR G86200,3 INCH ROUL1 Naval Inventory Control Point Mechanicsburg (USA)
MILS20166L1 Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
5925-00-113-5066INTERCHANGEABLE
CIRCUIT BREAKER
9520-00-277-4438INTERCHANGEABLE
CHANNEL,STRUCTURAL
9520-00-277-4441INTERCHANGEABLE
CHANNEL,STRUCTURAL
9520-00-277-4457INTERCHANGEABLE
BEAM,STRUCTURAL
9520-00-277-4459INTERCHANGEABLE
BEAM,STRUCTURAL
9520-00-277-4460INTERCHANGEABLE
BEAM,STRUCTURAL
9520-00-277-4461INTERCHANGEABLE
BEAM,STRUCTURAL
9520-00-277-4462INTERCHANGEABLE
BEAM,STRUCTURAL
9520-00-277-4463INTERCHANGEABLE
BEAM,STRUCTURAL
9520-00-277-4944INTERCHANGEABLE
ANGLE,STRUCTURAL
9520-00-277-4959INTERCHANGEABLE
ANGLE,STRUCTURAL
9520-00-277-5949INTERCHANGEABLE
CHANNEL,STRUCTURAL

Frequently Asked Questions

What is NSN 9510-00-126-1014?

NSN 9510-00-126-1014 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 9510-00-126-1014?

NSN 9510-00-126-1014 has 4 cross-referenced part numbers: MILS20166 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), ASTM-A322,GR G86200,3 INCH ROU (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), ASTM-A322,GR G86200,3 INCH ROUL1 (Naval Inventory Control Point Mechanicsburg), MILS20166L1 (Naval Inventory Control Point Mechanicsburg).

What NSN replaces 9510-00-126-1014?

There are 12 known substitutes for 9510-00-126-1014: 5925-00-113-5066, 9520-00-277-4438, 9520-00-277-4441 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MILS20166?

Key specifications for MILS20166: Length: 8.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT; Cross Section Outside Diameter: 3.000 INCHES NOMINAL IN; Material: STEEL COMP 8620; Material Document and Classification: MIL-S-20166, GRADE HT MIL SPEC 1ST MATERIAL RESPONSE. 10 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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