The Plate,mounting, cataloged under National Stock Number 5340-01-539-9898, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5340-01-539-9898 |
| Primary Part Number | 12443807-003 |
| Item Name | Plate,mounting |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Length | 9.480 INCHES NOMINAL IN |
| Material Document and Classification | ASTM B209, GRADE 6061T6 SHEET 0.125 THICK ASSN STD ALL MATERIAL RESPONSES |
| Shape | FLAT |
| Width | 4.000 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY |
| Thickness | 0.188 INCHES NOMINAL IN |
| 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 |
|---|---|
| 12443807-003 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 12443807 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 5340-01-539-9898 is a Plate,mounting, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-539-9898 has 1 manufacturer part number on file: 12443807-003 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 2510-01-714-1348. Verify interchangeability with system specifications before substitution.
Key specifications for 12443807-003: Length: 9.480 INCHES NOMINAL IN; Material Document and Classification: ASTM B209, GRADE 6061T6 SHEET 0.125 THICK ASSN STD ALL MATERIAL RESPONSES; Shape: FLAT; Special Features: THREE HOLES ALONG EACH END OF WIDTH, CENTER OF 1ST HOLE 0.50 FROM EDGE, CENTER OF FIRST HOLE TO CENTER OF SECOND HOLE = 1.5, CENTER OF SECOND HOLE TO CENTER OF THIRD HOLE=1.5, DIA OF HOLES=0.196; FOUR HOLES IN A REGTANGULAR FORMATION FIRST PAIR FROM END TO CENTER ALONG LENGTH=5.04". CENTER OF FIRST PAIR TO CENTER OF SECOND PAIR=2.310. FIRST PAIR FROM END TO CENTER ALONG WIDTH=1.41". CENTER OF FIRST PAIR TO CENTER OF SECOND PAIR=1.19, DIA OF HOLES 0.250, 0.500DIA X 80DEG F.S. DEGF. 6 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.