The Bracket,angle, cataloged under National Stock Number 5340-01-273-6897, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Ara, Inc. Government technical data includes 23 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-273-6897 |
| Primary Part Number | B3881-1 |
| Item Name | Bracket,angle |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Ara, Inc |
| Status | ACTIVE |
| Second Leg Distance From Edge to Hole Center Along Length | 0.315 INCHES NOMINAL IN |
| First Leg Angle | 90.0 DEGREES NOMINAL |
| Second Leg Relationship to First Leg | NOT IDENTICAL |
| Second Leg Hole Diameter | 0.250 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-L-46159 MIL SPEC SINGLE TREATMENT RESPONSE |
| Second Leg Width | 1.400 INCHES NOMINAL IN |
| Second Leg Length | 1.200 INCHES NOMINAL IN |
| First Leg Hole Arrangement Style | NO HOLE |
| Second Leg Distance From Edge to Hole Center Along Width | 0.300 INCHES NOMINAL IN |
| Style Designator | ANGLE |
| First Leg Style | SQUARE |
| Material Document and Classification | MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OR AMS 6350 ASSN STD SINGLE MATERIAL RESPONSE |
| Second Leg Thickness | 0.125 INCHES NOMINAL IN |
| First Leg Thickness | 0.125 INCHES NOMINAL IN |
| First Leg Length | 0.375 INCHES NOMINAL IN |
| First Leg Width | 2.000 INCHES NOMINAL IN |
| Second Leg Style | CORNER RADIUS |
| Surface Treatment | LACQUER ACRYLIC |
| Second Leg Corner Radius | 0.060 INCHES NOMINAL IN |
| Material | STEEL COMP 4130 |
| Second Leg Hole Arrangement Style | TWO HOLES |
| Second Leg Distance Between Hole Centers Along Width | 0.600 INCHES NOMINAL IN |
| Mounting Hole Type | COUNTERBORED |
| 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 |
| Part Number | Manufacturer |
|---|---|
| B3881-1 PRIMARY | Ara, Inc (USA) |
NSN 5340-01-273-6897 is a Bracket,angle, manufactured by Ara, Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-273-6897 has 1 manufacturer part number on file: B3881-1 (Ara, Inc).
Key specifications for B3881-1: Second Leg Distance From Edge to Hole Center Along Length: 0.315 INCHES NOMINAL IN; First Leg Angle: 90.0 DEGREES NOMINAL; Second Leg Relationship to First Leg: NOT IDENTICAL; Second Leg Hole Diameter: 0.250 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN. 23 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.