The Beam,structural, cataloged under National Stock Number 9520-01-245-6639, is classified within Federal Supply Class 9520 (Structural Shapes) of the Metal Bars, Sheets, and Shapes group. Government technical data includes 26 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9520-01-245-6639 |
| Item Name | Beam,structural |
| FSC / FSG | 9520 / 95 — Structural Shapes |
| Status | ACTIVE |
| Right Side Top Flange Thickness | 0.500 INCHES NOMINAL IN |
| Right Side Bottom Flange Thickness | 0.500 INCHES NOMINAL IN |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Left Bottom Inside Angle | 90.0 DEGREES NOMINAL |
| Left Side Top Flange Distance to Center of Both Flanges | 2.875 INCHES NOMINAL IN |
| Web Flange Thickness | 0.3125 INCHES NOMINAL IN |
| Fourth Tip Relationship to Preceding Tips | IDENTICAL W/FIRST TIP |
| Right Top Inside Angle | 90.0 DEGREES NOMINAL |
| Left Side Bottom Flange Thickness | 0.500 INCHES NOMINAL IN |
| Left Top Inside Angle | 90.0 DEGREES NOMINAL |
| Material Document and Classification | ABS RULES, GRADE AH36 ASSN STD SINGLE MATERIAL RESPONSE |
| Right Bottom Inside Angle | 90.0 DEGREES NOMINAL |
| Basic Shape Style | I SHAPE |
| Weight Per Unit Measure | 30.000 POUNDS PER LINEAR FOOT LBS |
| Nondefinitive Spec/std Data | AH36 GRADE |
| Bottom Flange Width | 5.750 INCHES NOMINAL IN |
| Right Side Bottom Flange Distance to Center of Both Flanges | 2.875 INCHES NOMINAL IN |
| Top Flange Width | 5.750 INCHES NOMINAL IN |
| Third Tip Relationship to Preceding Tips | IDENTICAL W/FIRST TIP |
| Material | STEEL |
| Fabrication Method | EXTRUDED |
| Left Side Bottom Flange Distance to Center of Both Flanges | 2.875 INCHES NOMINAL IN |
| First Tip Style | SQUARE END |
| Left Side Top Flange Thickness | 0.500 INCHES NOMINAL IN |
| Second Tip Relationship to First Tip | IDENTICAL |
| Right Side Top Flange Distance to Center of Both Flanges | 2.875 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| ABS RULES | 3/1 Design control — primary reference American Bureau of Shipping |
| MIL-S-22698 | 4/1 Identification reference U.S. Government activity |
NSN 9520-01-245-6639 is a Beam,structural, classified under FSC 9520, Structural Shapes. Status: active.
Key specifications for 9520-01-245-6639: Overall Height: 10.500 INCHES NOMINAL IN; Right Side Top Flange Thickness: 0.500 INCHES NOMINAL IN; Right Side Bottom Flange Thickness: 0.500 INCHES NOMINAL IN; Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT. 26 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.