The Bracket,double Angle, cataloged under National Stock Number 5340-01-305-2639, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Fastener Specialty, Inc.. Government technical data includes 30 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-305-2639 |
| Primary Part Number | 9M671-C1L |
| Item Name | Bracket,double Angle |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Fastener Specialty, Inc. |
| Status | ACTIVE |
| Second Leg Distance From Edge to Hole Center Along Length | 0.250 INCHES NOMINAL IN |
| First Leg Distance From Edge to Hole Center Along Length | 0.250 INCHES NOMINAL IN |
| First Leg Hole Diameter | 0.220 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN |
| First Leg Angle | 90.0 DEGREES NOMINAL |
| Center Section Thickness | 0.063 INCHES NOMINAL IN |
| First Leg Distance Between Hole Centers Along Width | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Second Leg Relationship to First Leg | NOT IDENTICAL |
| Second Leg Angle | 90.0 DEGREES NOMINAL |
| Second Leg Hole Diameter | 0.129 INCHES MINIMUM AND 0.134 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-P-23377 MIL SPEC SINGLE TREATMENT RESPONSE |
| First Leg Corner Radius | 0.250 INCHES NOMINAL IN |
| Second Leg Width | 1.000 INCHES NOMINAL IN |
| Second Leg Length | 1.000 INCHES NOMINAL IN |
| First Leg Hole Arrangement Style | TWO HOLES |
| Second Leg Distance From Edge to Hole Center Along Width | 0.250 INCHES NOMINAL IN |
| Center Section Width | 1.000 INCHES NOMINAL IN |
| Style Designator | ADJACENT ANGLES |
| First Leg Style | CORNER RADIUS |
| Material Document and Classification | QQ-A-250/5,T81 FED SPEC SINGLE MATERIAL RESPONSE |
| Features Provided | NUT |
| Second Leg Thickness | 0.063 INCHES NOMINAL IN |
| First Leg Distance From Edge to Hole Center Along Width | 0.250 INCHES NOMINAL IN |
| First Leg Thickness | 0.063 INCHES NOMINAL IN |
| First Leg Length | 0.730 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN |
| First Leg Width | 1.000 INCHES NOMINAL IN |
| Second Leg Style | CORNER RADIUS |
| Surface Treatment | PLASTIC POLYAMIDE |
| Second Leg Corner Radius | 0.250 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 1230 AND ALUMINUM ALLOY 2024 |
| Second Leg Hole Arrangement Style | TWO HOLES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
NSN 5340-01-305-2639 is a Bracket,double Angle, manufactured by Fastener Specialty, Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-305-2639 has 3 manufacturer part numbers on file: 9M671-C1L (Trico Manufacturing Inc.), 9M671-C1L (Fastener Specialty, Inc.), 9M671-C1L (The Boeing Company Div Defense).
Key specifications for 9M671-C1L: Second Leg Distance From Edge to Hole Center Along Length: 0.250 INCHES NOMINAL IN; First Leg Distance From Edge to Hole Center Along Length: 0.250 INCHES NOMINAL IN; First Leg Hole Diameter: 0.220 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN; First Leg Angle: 90.0 DEGREES NOMINAL. 30 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.
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.