The Channel,structural, cataloged under National Stock Number 9520-01-329-4392, is classified within Federal Supply Class 9520 (Structural Shapes) of the Metal Bars, Sheets, and Shapes group. The manufacturer of record is Unistrut Western. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9520-01-329-4392 |
| Primary Part Number | A 3300 |
| Item Name | Channel,structural |
| FSC / FSG | 9520 / 95 — Structural Shapes |
| Manufacturer | Unistrut Western |
| Status | ACTIVE |
| Length | 10.000 FEET MINIMUM AND 16.000 FEET MAXIMUM FT |
| Base Flange Thickness | 0.075 INCHES NOMINAL IN |
| Left Side Flange Height | 0.750 INCHES NOMINAL IN |
| Left Side Flange Thickness | 0.075 INCHES NOMINAL IN |
| Basic Shape Style | CHANNEL |
| Second Tip Flange Height | 0.190 INCHES NOMINAL IN |
| Right Side Flange Height | 0.750 INCHES NOMINAL IN |
| Weight Per Unit Measure | 0.780 POUNDS PER LINEAR FOOT LBS |
| Right Side Flange Thickness | 0.075 INCHES NOMINAL IN |
| Right Inside Angle | 90.0 DEGREES NOMINAL |
| Left Inside Angle | 90.0 DEGREES NOMINAL |
| First Tip Flange Width | 0.280 INCHES NOMINAL IN |
| Second Tip Flange Width | 0.280 INCHES NOMINAL IN |
| First Tip Flange Height | 0.190 INCHES NOMINAL IN |
| Material | STEEL |
| First Tip Style | FLANGE RIGHT DOWNWARD W/ END RADIUS AND INNER AND OUTER CORNER RADII |
| Second Tip Relationship to First Tip | NOT IDENTICAL |
| Second Tip Style | FLANGE LEFT DOWNWARD W/ END RADIUS AND INNER AND OUTER CORNER RADII |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A 3300 PRIMARY | Unistrut Western (USA) |
NSN 9520-01-329-4392 is a Channel,structural, manufactured by Unistrut Western, classified under FSC 9520, Structural Shapes. Status: active.
NSN 9520-01-329-4392 has 1 manufacturer part number on file: A 3300 (Unistrut Western).
2 possible matches (shared part number, not a government interchangeability claim): 6515-01-368-7818, 9520-01-626-0072. Verify interchangeability with system specifications before substitution.
Key specifications for A 3300: Length: 10.000 FEET MINIMUM AND 16.000 FEET MAXIMUM FT; Base Flange Thickness: 0.075 INCHES NOMINAL IN; Left Side Flange Height: 0.750 INCHES NOMINAL IN; Overall Width: 1.250 INCHES NOMINAL IN. 18 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.