The Angle,structural, cataloged under National Stock Number 9520-01-255-9587, is classified within Federal Supply Class 9520 (Structural Shapes) of the Metal Bars, Sheets, and Shapes group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9520-01-255-9587 |
| Primary Part Number | 552-5589493 ITEM 5 |
| Item Name | Angle,structural |
| FSC / FSG | 9520 / 95 — Structural Shapes |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Base Flange Thickness | 0.500 INCHES NOMINAL IN |
| Material Document and Classification | ABS RULES, GRADE AH36 ASSN STD SINGLE MATERIAL RESPONSE |
| Left Side Flange Thickness | 0.500 INCHES NOMINAL IN |
| Basic Shape Style | ANGLE |
| Nondefinitive Spec/std Data | AH36 GRADE |
| Left Inside Angle | 90.0 DEGREES NOMINAL |
| Material | STEEL |
| Fabrication Method | ROLLED |
| First Tip Style | SQUARE END |
| Second Tip Relationship to First Tip | IDENTICAL |
| 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 |
|---|---|
| 5950883 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 552-5589493 ITEM 5 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 552-5589493 ITE | 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 |
| ABS RULES | 3/1 Design control — primary reference American Bureau of Shipping |
| 1220-3881 ITEM 5 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
NSN 9520-01-255-9587 is a Angle,structural, manufactured by Naval Sea Systems Command, classified under FSC 9520, Structural Shapes. Status: active.
NSN 9520-01-255-9587 has 2 manufacturer part numbers on file: 5950883 (Huntington Ingalls Inc Div Newport News Shipbuilding), 552-5589493 ITEM 5 (Naval Sea Systems Command).
Key specifications for 552-5589493 ITEM 5: Overall Height: 4.000 INCHES NOMINAL IN; Base Flange Thickness: 0.500 INCHES NOMINAL IN; Material Document and Classification: ABS RULES, GRADE AH36 ASSN STD SINGLE MATERIAL RESPONSE; Overall Width: 9.000 INCHES NOMINAL IN. 10 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.