PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILS20166Channel,structural

Zf Industrieantriebe Witten Gmbh · NSN 9520-00-277-5949 · FSC 9520 · No Item Name Available
Verified by PartsTable
NSN 9520-00-277-5949 — this item is cataloged by the U.S. Government under National Stock Number 9520-00-277-5949. Primary manufacturer part number: MILS20166.
Features
  • Channel,structural — FSC 9520
  • Right Side Flange Thickness: 0.188 INCHES NOMINAL IN
  • Right Side Flange Height: 1.750 INCHES NOMINAL IN
  • Basic Shape Style: CHANNEL
  • First Tip Style: RIGHT QUARTER RADIUS
  • Weight Per Unit Measure: 7.250 POUNDS PER LINEAR FOOT LBS
  • Left Outside Angle: 90.0 DEGREES NOMINAL
  • Right Flange Thickness at Base: 0.438 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Uns K02102 construction
General Description

The Channel,structural, cataloged under National Stock Number 9520-00-277-5949, is classified within Federal Supply Class 9520 (No Item Name Available) of the Metal Bars, Sheets, and Shapes group. The primary manufacturer of record is Zf Industrieantriebe Witten Gmbh. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9520-00-277-5949
Primary Part NumberMILS20166
Item NameChannel,structural
FSC / FSG9520 / 95 — No Item Name Available
ManufacturerZf Industrieantriebe Witten Gmbh
StatusACTIVE
Right Side Flange Thickness0.188 INCHES NOMINAL IN
Right Side Flange Height1.750 INCHES NOMINAL IN
Basic Shape StyleCHANNEL
First Tip StyleRIGHT QUARTER RADIUS
Weight Per Unit Measure7.250 POUNDS PER LINEAR FOOT LBS
Left Outside Angle90.0 DEGREES NOMINAL
Right Flange Thickness at Base0.438 INCHES NOMINAL IN
Left Flange Thickness at Base0.438 INCHES NOMINAL IN
Second Tip Relationship to First TipIDENTICAL
Right Outside Angle90.0 DEGREES NOMINAL
MaterialSTEEL UNS K02102
Fillet Radius Where Right Flange Joins Base Flange0.280 INCHES NOMINAL IN
Left Side Flange Thickness0.188 INCHES NOMINAL IN
Base Flange Thickness0.312 INCHES NOMINAL IN
Material Document and ClassificationMIL-S-22698, GRADE A MIL SPEC SINGLE MATERIAL RESPONSE
Nondefinitive Spec/std DataA GRADE
Fabrication MethodEXTRUDED
Length20.000 FEET MINIMUM AND 30.000 FEET MAXIMUM FT
Left Side Flange Height1.750 INCHES NOMINAL IN
Fillet Radius Where Left Flange Joins Base Flange0.280 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5925-00-113-5066 INTERCHANGEABLE
Circuit Breaker
9510-00-126-1014 INTERCHANGEABLE
Bar,metal
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
Cross-Reference Index
Part NumberManufacturer
MILS20166 Zf Industrieantriebe Witten Gmbh (DEU)
MIL-S-22698 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
ABS RULES American Bureau of Shipping (USA)
Related Parts
5925-00-113-5066INTERCHANGEABLE
CIRCUIT BREAKER
9510-00-126-1014INTERCHANGEABLE
BAR,METAL
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

Frequently Asked Questions

What is NSN 9520-00-277-5949?

NSN 9520-00-277-5949 is a Channel,structural, manufactured by Zf Industrieantriebe Witten Gmbh, classified under FSC 9520 (No Item Name Available). Status: active.

What are the part numbers for NSN 9520-00-277-5949?

NSN 9520-00-277-5949 has 3 cross-referenced part numbers: MILS20166 (Zf Industrieantriebe Witten Gmbh), MIL-S-22698 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), ABS RULES (American Bureau of Shipping).

What NSN replaces 9520-00-277-5949?

There are 12 known substitutes for 9520-00-277-5949: 5925-00-113-5066, 9510-00-126-1014, 9520-00-277-4438 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MILS20166?

Key specifications for MILS20166: Right Side Flange Thickness: 0.188 INCHES NOMINAL IN; Right Side Flange Height: 1.750 INCHES NOMINAL IN; Basic Shape Style: CHANNEL; First Tip Style: RIGHT QUARTER RADIUS. 21 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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