The Bracket,mounting, cataloged under National Stock Number 5340-01-518-6503, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Mantech Systems Engineering Corporation Dba Mantech Advanced Systems International. Government technical data includes 3 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-518-6503 |
| Primary Part Number | G81S00571-12 |
| Item Name | Bracket,mounting |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Mantech Systems Engineering Corporation Dba Mantech Advanced Systems International |
| Status | ACTIVE |
| Mounting Hole Quantity | 4 |
| Material | ALUMINUM ALLOY 6061 |
| 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 |
| Part Number | Manufacturer |
|---|---|
| G81S00571-12 PRIMARY | Mantech Systems Engineering Corporation Dba Mantech Advanced Systems International (USA) |
NSN 5340-01-518-6503 is a Bracket,mounting, manufactured by Mantech Systems Engineering Corporation Dba Mantech Advanced Systems International, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-518-6503 has 1 manufacturer part number on file: G81S00571-12 (Mantech Systems Engineering Corporation Dba Mantech Advanced Systems International).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-620-5082. Verify interchangeability with system specifications before substitution.
Key specifications for G81S00571-12: Mounting Hole Quantity: 4; Overall Height: 0.090 INCHES NOMINAL IN; Overall Length: 10.450 INCHES NOMINAL IN; Overall Width: 0.750 INCHES NOMINAL IN. 3 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.