The Bracket,t, cataloged under National Stock Number 5340-01-379-4258, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 12 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-379-4258 |
| Primary Part Number | 5599673-1 |
| Item Name | Bracket,t |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Surface Treatment Document and Classification | TT-P-1757 MIL SPEC SINGLE TREATMENT RESPONSE |
| Style Designator | CENTER PROJECTION |
| Material Document and Classification | ASTMA36 ASSN STD SINGLE MATERIAL RESPONSE |
| Mounting Hole Diameter | 0.280 INCHES MINIMUM AND 0.287 INCHES MAXIMUM IN |
| Angle | 90.0 DEGREES NOMINAL |
| Distance From End to Leg Along Length | 0.750 INCHES NOMINAL IN |
| Surface Treatment | ZINC AND CHROMATE |
| Base Thickness | 0.250 INCHES NOMINAL IN |
| Material | STEEL |
| Hole Quantity | 2 |
| Leg Thickness | 1.000 INCHES NOMINAL IN |
| Mounting Hole Type | PLAIN |
| 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 5340-01-379-4258 is a Bracket,t, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-379-4258 has 2 manufacturer part numbers on file: 5599673-1 (Naval Sea Systems Command), 5599673-1 (Bae Systems Land & Armaments L.p.).
Key specifications for 5599673-1: Overall Height: 1.250 INCHES NOMINAL IN; Surface Treatment Document and Classification: TT-P-1757 MIL SPEC SINGLE TREATMENT RESPONSE; Style Designator: CENTER PROJECTION; Material Document and Classification: ASTMA36 ASSN STD SINGLE MATERIAL RESPONSE. 12 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.