The Plate,backing, cataloged under National Stock Number 2040-01-084-8062, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 2 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2040-01-084-8062 |
| Primary Part Number | 4491157, ITEM NO. 47SQ |
| Item Name | Plate,backing |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | QUALITY ASSURANCE TESTED FOR SUBMARINE ANTENNA APPLICATION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 4491157, ITEM NO. 47SQ | Naval Inventory Control Point Mechanicsburg (USA) |
| 4491157-B-47SQ | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 4491157, ITEM NO. 47 | 5/1 Secondary reference D. L. Martin Co. |
| 4491157-B-47 | 3/9 Design control — primary reference Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance |
| 4491157, ITEM NO. 47 | 5/9 Secondary reference Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance |
| 4491157, ITEM NO. 47 | 5/1 Secondary reference U.s.a. Spares Inc. |
| 4491157, ITEM NO. 47 | 5/1 Secondary reference Products Support, Llc Dba Vitesse Systems - Jessup, Md |
| 4491157, ITEM NO. 47 | 5/1 Secondary reference Guill Tool & Engineering Co Inc Div Guill Defense |
NSN 2040-01-084-8062 is a Plate,backing, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-084-8062 has 2 manufacturer part numbers on file: 4491157, ITEM NO. 47SQ (Naval Inventory Control Point Mechanicsburg), 4491157-B-47SQ (Naval Inventory Control Point Mechanicsburg).
Key specifications for 4491157, ITEM NO. 47SQ: Criticality Code Justification: ZZZY; End Item Identification: FAIRING MAST ASSY OE-207/BR; Reference Number Differentiating Characteristics: QUALITY ASSURANCE TESTED FOR SUBMARINE ANTENNA APPLICATION. 2 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.