Part Details | STRUCTURAL BEAM
9520-00-277-4399 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: QQS741, 9520-00-277-4399, 00-277-4399, 9520002774399, 002774399
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 95 | JAN 01, 1961 | 00-277-4399 | 37018 ( BEAM, STRUCTURAL ) |
REFERENCE DRAWINGS & PICTURES
I SHAPE
SQUARE END
SQUARE END
SQUARE END
SQUARE END
Cross Reference | NSN 9520-00-277-4399
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| QQS741 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
Technical Data | NSN 9520-00-277-4399
| Characteristic | Specifications |
|---|---|
| FABRICATION METHOD | ANY ACCEPTABLE |
| HEAT TREATMENT | AS FABRICATED |
| BASIC SHAPE STYLE | I SHAPE |
| OVERALL HEIGHT | 3.000 INCHES NOMINAL |
| LEFT SIDE TOP FLANGE THICKNESS | 0.250 INCHES NOMINAL |
| RIGHT SIDE TOP FLANGE THICKNESS | 0.250 INCHES NOMINAL |
| RIGHT SIDE BOTTOM FLANGE THICKNESS | 0.250 INCHES NOMINAL |
| LEFT SIDE BOTTOM FLANGE THICKNESS | 0.250 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 |
| WEB FLANGE THICKNESS | 0.187 INCHES NOMINAL |
| TOP FLANGE WIDTH | 2.375 INCHES NOMINAL |
| BOTTOM FLANGE WIDTH | 2.375 INCHES NOMINAL |
| LEFT TOP INSIDE ANGLE | 90.0 DEGREES NOMINAL |
| LEFT BOTTOM INSIDE ANGLE | 90.0 DEGREES NOMINAL |
| RIGHT TOP INSIDE ANGLE | 90.0 DEGREES NOMINAL |
| RIGHT BOTTOM INSIDE ANGLE | 90.0 DEGREES NOMINAL |
| FIRST TIP STYLE | SQUARE END |
| SECOND TIP RELATIONSHIP TO FIRST TIP | IDENTICAL |
| THIRD TIP RELATIONSHIP TO PRECEDING TIPS | IDENTICAL W/FIRST TIP |
| FOURTH TIP RELATIONSHIP TO PRECEDING TIPS | IDENTICAL W/FIRST TIP |
| WEIGHT PER UNIT MEASURE | 5.700 POUNDS PER LINEAR FOOT |