The Bracket,angle, cataloged under National Stock Number 5340-01-249-7660, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 26 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-249-7660 |
| Primary Part Number | ST9M496BC1A |
| Item Name | Bracket,angle |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Second Leg Distance From Edge to Hole Center Along Length | 0.300 INCHES NOMINAL IN |
| First Leg Distance From Edge to Hole Center Along Length | 0.250 INCHES NOMINAL IN |
| First Leg Hole Diameter | 0.129 INCHES MINIMUM AND 0.134 INCHES MAXIMUM IN |
| First Leg Angle | 90.0 DEGREES NOMINAL |
| First Leg Distance Between Hole Centers Along Width | 0.500 INCHES NOMINAL IN |
| Second Leg Relationship to First Leg | NOT IDENTICAL |
| Surface Treatment Document and Classification | MMS425,CAGEC 04967 MFR REF SINGLE TREATMENT RESPONSE |
| First Leg Corner Radius | 0.250 INCHES NOMINAL IN |
| Second Leg Length | 0.800 INCHES NOMINAL IN |
| Second Leg Slot Width | 0.224 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN |
| First Leg Hole Arrangement Style | TWO HOLES |
| Second Leg Distance From Edge to Hole Center Along Width | 0.750 INCHES NOMINAL IN |
| Style Designator | ANGLE |
| First Leg Style | CORNER RADIUS |
| Material Document and Classification | QQ-A-250/5 T72 OR T81 FED SPEC SINGLE MATERIAL RESPONSE |
| Second Leg Slot Length | 0.499 INCHES NOMINAL IN |
| Features Provided | NUT |
| Second Leg Thickness | 0.071 INCHES NOMINAL IN |
| First Leg Distance From Edge to Hole Center Along Width | 0.250 INCHES NOMINAL IN |
| First Leg Thickness | 0.071 INCHES NOMINAL IN |
| First Leg Length | 0.750 INCHES NOMINAL IN |
| First Leg Width | 1.000 INCHES NOMINAL IN |
| Surface Treatment | PRIMER |
| Material | ALUMINUM ALLOY 2024 |
| Second Leg Hole Arrangement Style | ONE SLOT |
| Mounting Hole Type | PLAIN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| ST9M496BC1A | Trico Manufacturing Inc. (USA) |
| ST9M496BC1A PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| ST9M496BC1A | 5/9 Secondary reference U.S. Government activity |
| ST9M496BC1A | C/1 Advisory reference — outside the item-of-supply concept Fastener Specialty, Inc. |
NSN 5340-01-249-7660 is a Bracket,angle, manufactured by The Boeing Company Div Defense, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-249-7660 has 2 manufacturer part numbers on file: ST9M496BC1A (Trico Manufacturing Inc.), ST9M496BC1A (The Boeing Company Div Defense).
Key specifications for ST9M496BC1A: Second Leg Distance From Edge to Hole Center Along Length: 0.300 INCHES NOMINAL IN; First Leg Distance From Edge to Hole Center Along Length: 0.250 INCHES NOMINAL IN; First Leg Hole Diameter: 0.129 INCHES MINIMUM AND 0.134 INCHES MAXIMUM IN; First Leg Angle: 90.0 DEGREES NOMINAL. 26 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5340-01-249-7660 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.