The Beam,structural, cataloged under National Stock Number 9520-00-277-7300, is classified within Federal Supply Class 9520 (Structural Shapes) of the Metal Bars, Sheets, and Shapes group. Government technical data includes 28 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9520-00-277-7300 |
| Item Name | Beam,structural |
| FSC / FSG | 9520 / 95 — Structural Shapes |
| Status | ACTIVE |
| Right Side Top Flange Thickness | 0.250 INCHES NOMINAL IN |
| Right Side Bottom Flange Thickness | 0.250 INCHES NOMINAL IN |
| Fillet Radius Where Bottom Left Flange Joins Web Flange/leg | 0.300 INCHES NOMINAL IN |
| Length | 20.000 FEET MINIMUM AND 40.000 FEET MAXIMUM FT |
| Left Bottom Inside Angle | 90.0 DEGREES NOMINAL |
| Left Side Top Flange Distance to Center of Both Flanges | 2.000 INCHES NOMINAL IN |
| Web Flange Thickness | 0.250 INCHES NOMINAL IN |
| Fourth Tip Relationship to Preceding Tips | IDENTICAL W/FIRST TIP |
| Right Top Inside Angle | 90.0 DEGREES NOMINAL |
| Left Side Flange Height | 4.000 INCHES NOMINAL IN |
| Left Side Bottom Flange Thickness | 0.250 INCHES NOMINAL IN |
| Left Top Inside Angle | 90.0 DEGREES NOMINAL |
| Fillet Radius Where Top Right Flange Joins Web Flange/leg | 0.300 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-22698, GRADE AH-36 MIL SPEC SINGLE MATERIAL RESPONSE |
| Right Bottom Inside Angle | 90.0 DEGREES NOMINAL |
| Fillet Radius Where Top Left Flange Joins Web Flange/leg | 0.300 INCHES NOMINAL IN |
| Left Side Flange Thickness | 0.250 INCHES NOMINAL IN |
| Basic Shape Style | I SHAPE |
| Right Side Flange Height | 4.000 INCHES NOMINAL IN |
| Weight Per Unit Measure | 13.000 POUNDS PER LINEAR FOOT LBS |
| Right Side Flange Thickness | 0.250 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | AH36 GRADE |
| Bottom Flange Width | 4.000 INCHES NOMINAL IN |
| Right Side Bottom Flange Distance to Center of Both Flanges | 2.000 INCHES NOMINAL IN |
| Fillet Radius Where Bottom Right Flange Joins Web Flange/leg | 0.300 INCHES NOMINAL IN |
| Top Flange Width | 4.000 INCHES NOMINAL IN |
| Third Tip Relationship to Preceding Tips | IDENTICAL W/FIRST TIP |
| Material | STEEL UNS K02102 |
| 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 | 5/9 Secondary reference American Bureau of Shipping |
| 103-5562726 ITEM # 7 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| MIL-S-22698 | 4/1 Identification reference U.S. Government activity |
NSN 9520-00-277-7300 is a Beam,structural, classified under FSC 9520, Structural Shapes. Status: active.
Key specifications for 9520-00-277-7300: Overall Height: 8.000 INCHES NOMINAL IN; Right Side Top Flange Thickness: 0.250 INCHES NOMINAL IN; Right Side Bottom Flange Thickness: 0.250 INCHES NOMINAL IN; Fillet Radius Where Bottom Left Flange Joins Web Flange/leg: 0.300 INCHES NOMINAL IN. 28 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.