Part Details | STRUCTURAL BEAM
9520-00-277-4457 A structural shape fabricated from a ferrous or nonferrous material and resembles the following cross-sectional forms: For the letter H, both flanges of the H section are equal or longer than the width measured along the axis of the web; for the letter I, a 16 2/3 percent slope on the inside face of the ferrous type flange, either one or both of the nonferrous type flanges are shorter than the length measured along the axis of the web; for the letters T and Z, on nonferrous type, the web is usually at right angles to the flanges. Letter H section may have a maximum of 5 percent slope on the inside face of the flanges.
Alternate Parts: ABS RULES, MILS22698, MIL-S-22698, MILS20166, 9520-00-277-4457, 00-277-4457, 9520002774457, 002774457
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 95 | JAN 01, 1963 | 00-277-4457 | 37018 ( BEAM, STRUCTURAL ) |
REFERENCE DRAWINGS & PICTURES
I SHAPE
UPPER RADIUS
LOWER RADIUS
UPPER RADIUS
LOWER RADIUS
UPPER RADIUS
LOWER RADIUS
UPPER RADIUS
LOWER RADIUS
Cross Reference | NSN 9520-00-277-4457
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| ABS RULES | 0T3K3 | AMERICAN BUREAU OF SHIPPING |
| MIL-S-22698 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
| MILS20166 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
Technical Data | NSN 9520-00-277-4457
| Characteristic | Specifications |
|---|---|
| FABRICATION METHOD | ANY ACCEPTABLE |
| HEAT TREATMENT | AS FABRICATED |
| LENGTH | 20.000 FEET MINIMUM AND 40.000 FEET MAXIMUM |
| BASIC SHAPE STYLE | I SHAPE |
| OVERALL HEIGHT | 3.000 INCHES NOMINAL |
| LEFT SIDE TOP FLANGE THICKNESS | 0.375 INCHES NOMINAL |
| RIGHT SIDE TOP FLANGE THICKNESS | 0.375 INCHES NOMINAL |
| RIGHT SIDE BOTTOM FLANGE THICKNESS | 0.375 INCHES NOMINAL |
| LEFT SIDE BOTTOM FLANGE THICKNESS | 0.375 INCHES NOMINAL |
| LEFT SIDE TOP FLANGE DISTANCE TO CENTER OF BOTH FLANGES | 1.187 INCHES NOMINAL |
| LEFT SIDE BOTTOM FLANGE DISTANCE TO CENTER OF BOTH FLANGES | 1.187 INCHES NOMINAL |
| RIGHT SIDE TOP FLANGE DISTANCE TO CENTER OF BOTH FLANGES | 1.187 INCHES NOMINAL |
| RIGHT SIDE BOTTOM FLANGE DISTANCE TO CENTER OF BOTH FLANGES | 1.187 INCHES NOMINAL |
| FILLET RADIUS WHERE TOP LEFT FLANGE JOINS WEB FLANGE/LEG | 0.270 INCHES NOMINAL |
| FILLET RADIUS WHERE BOTTOM LEFT FLANGE JOINS WEB FLANGE/LEG | 0.270 INCHES NOMINAL |
| FILLET RADIUS WHERE TOP RIGHT FLANGE JOINS WEB FLANGE/LEG | 0.270 INCHES NOMINAL |
| FILLET RADIUS WHERE BOTTOM RIGHT FLANGE JOINS WEB FLANGE/LEG | 0.270 INCHES NOMINAL |
| WEB FLANGE THICKNESS | 0.188 INCHES NOMINAL |
| TOP FLANGE WIDTH | 2.375 INCHES NOMINAL |
| BOTTOM FLANGE WIDTH | 2.375 INCHES NOMINAL |
| LEFT SIDE TOP FLANGE TIP THICKNESS | 0.187 INCHES NOMINAL |
| LEFT SIDE BOTTOM FLANGE TIP THICKNESS | 0.187 INCHES NOMINAL |
| RIGHT SIDE TOP FLANGE TIP THICKNESS | 0.187 INCHES NOMINAL |
| RIGHT SIDE BOTTOM FLANGE TIP THICKNESS | 0.187 INCHES NOMINAL |
| LEFT TOP INNER FACE TO OUTER FACE ANGLE | 90.0 DEGREES NOMINAL |
| LEFT BOTTOM INNER FACE TO OUTER FACE ANGLE | 90.0 DEGREES NOMINAL |
| RIGHT TOP INNER FACE TO OUTER FACE ANGLE | 90.0 DEGREES NOMINAL |
| RIGHT BOTTOM INNER FACE TO OUTER FACE ANGLE | 90.0 DEGREES NOMINAL |
| FIRST TIP STYLE | LOWER RADIUS |
| FIRST TIP RADIUS | 0.100 INCHES NOMINAL |
| SECOND TIP RELATIONSHIP TO FIRST TIP | IDENTICAL |
| THIRD TIP RELATIONSHIP TO PRECEDING TIPS | NOT IDENTICAL |
| THIRD TIP STYLE | UPPER RADIUS |
| THIRD TIP RADIUS | 0.100 INCHES NOMINAL |
| FOURTH TIP RELATIONSHIP TO PRECEDING TIPS | IDENTICAL W/THIRD TIP |
| WEIGHT PER UNIT MEASURE | 5.700 POUNDS PER LINEAR FOOT |