The Cover,access, cataloged under National Stock Number 5340-01-381-1963, 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 9 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-381-1963 |
| Primary Part Number | 5190341 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Length | 19.150 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Material Document and Classification | MIL-A-21180 CL2 GR 0 MIL SPEC SINGLE MATERIAL RESPONSE |
| Securing Device Type | SPECIAL |
| Surface Treatment | CHROMATE |
| Width | 12.240 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY A356.0 |
| Hole Diameter | 0.221 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 |
|---|---|
| 5190341 | Raytheon Company (USA) |
| 5190341 PRIMARY | Naval Sea Systems Command (USA) |
| CRM21435 | Navantia - Propulsion Y Energia Motores - Cartagena (ESP) |
| CRM21435 | Navantia Sa Sme. Div Navantia Hq (ESP) |
| Reference | Meaning |
|---|---|
| 5190341-1 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 5342PL0962427 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5340-01-381-1963 is a Cover,access, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-381-1963 has 4 manufacturer part numbers on file: 5190341 (Raytheon Company), 5190341 (Naval Sea Systems Command), CRM21435 (Navantia - Propulsion Y Energia Motores - Cartagena), CRM21435 (Navantia Sa Sme. Div Navantia Hq).
Key specifications for 5190341: Length: 19.150 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE; Mounting Opening Shape Style: UNTHREADED HOLE; Material Document and Classification: MIL-A-21180 CL2 GR 0 MIL SPEC SINGLE MATERIAL RESPONSE. 9 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.