The Stop,mechanical, cataloged under National Stock Number 5340-01-641-9403, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives 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 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-641-9403 |
| Primary Part Number | G547-0001-G5472100-0159D4 |
| Item Name | Stop,mechanical |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | MATERIAL CONTROLLED IAW SS800-AG-MAN-010/P-9290 SYSTEM CERTIFICATION PRODURES AND CRITERIA MANUAL FOR DEEP SUBMERGENCE SYSTEMS; CRITICAL ITEM FOR SAFETY AND SURVIVAL OF DEEP SUBMERGENCE RESEARCH AND RESCUE VEHICLES AS DIFFERENTIATED BY SPECIAL TEST FEATURES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | S |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| G547-0001-G5472100-0159D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 7550477-G5472100-0159D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 7384566 PN 159D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| G5472100-0159D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| G547-2100 PN 159D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 7384566 PN 159 | 3/1 Design control — primary reference Naval Sea Systems Command |
| G5472100-0159 | 5/1 Secondary reference U.S. Government activity |
| G547-2100 PN 159 | 5/1 Secondary reference U.S. Government activity |
| G547-0001-G5472100-0159 | 5/1 Secondary reference U.S. Government activity |
| 7550477-G5472100-0159 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 5340-01-641-9403 is a Stop,mechanical, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-641-9403 has 5 manufacturer part numbers on file: G547-0001-G5472100-0159D4 (Naval Inventory Control Point Mechanicsburg), 7550477-G5472100-0159D4 (Naval Inventory Control Point Mechanicsburg), 7384566 PN 159D4 (Naval Inventory Control Point Mechanicsburg), G5472100-0159D4 (Naval Inventory Control Point Mechanicsburg), G547-2100 PN 159D4 (Naval Inventory Control Point Mechanicsburg).
Key specifications for G547-0001-G5472100-0159D4: Criticality Code Justification: ZZZY; End Item Identification: LOCKOUT CHAMBER,UPPER HATCH ASSEMBLY; Reference Number Differentiating Characteristics: MATERIAL CONTROLLED IAW SS800-AG-MAN-010/P-9290 SYSTEM CERTIFICATION PRODURES AND CRITERIA MANUAL FOR DEEP SUBMERGENCE SYSTEMS; CRITICAL ITEM FOR SAFETY AND SURVIVAL OF DEEP SUBMERGENCE RESEARCH AND RESCUE VEHICLES AS DIFFERENTIATED BY SPECIAL TEST FEATURES. 2 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.