The Penetrator Assembly, cataloged under National Stock Number 2040-01-656-2615, 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 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2040-01-656-2615 |
| Primary Part Number | 1970-502-3-3D0 |
| Item Name | Penetrator Assembly |
| 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 | MATERIAL CONTROLLED IAW SS800-AG-MAN-010/P9290 SYSTEM CERTIFICATION PROCEDURES AND CRITERIA MANUAL FOR DEEP SUBMERGENCE SYSTEMS AND REQUIRES CLEANING, PACKING, AND MARKING IAW MIL-STD-1622 OR MIL-STD-1330 AS DEEMED APPLICABLE; CRITICAL ITEM FOR SAFETY AND SURVIVAL OF DEEP SUBMERGENCE RESEARCH AND RESCUE VEHICALS AS DIFFERENTIATED BY SPECIAL TEST FEATURES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 1970-502-3-3D0 | Naval Inventory Control Point Mechanicsburg (USA) |
| 7550478-1970-502-3-3D0 | Naval Inventory Control Point Mechanicsburg (USA) |
| G547-0002-1970-502-3-3D0 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 7550478-1970-502-3-3 | 5/1 Secondary reference Naval Sea Systems Command |
| 1970-502-3-3 | 5/1 Secondary reference Mission Systems Orchard Park Inc |
| G547-0002-1970-502-3-3 | 3/1 Design control — primary reference U.S. Government activity |
NSN 2040-01-656-2615 is a Penetrator Assembly, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-656-2615 has 3 manufacturer part numbers on file: 1970-502-3-3D0 (Naval Inventory Control Point Mechanicsburg), 7550478-1970-502-3-3D0 (Naval Inventory Control Point Mechanicsburg), G547-0002-1970-502-3-3D0 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 1970-502-3-3D0: Criticality Code Justification: ZZZY; Part Name Assigned by Controlling Agency: PENETRATOR ASSY YLF-HLF-1C-TRANSDUCER SONAR CONNECTOR; End Item Identification: ASSIGNMENT OF ELECTRICAL HOLES IN HULL AND TANKS FRAME 65 AFT; Reference Number Differentiating Characteristics: MATERIAL CONTROLLED IAW SS800-AG-MAN-010/P9290 SYSTEM CERTIFICATION PROCEDURES AND CRITERIA MANUAL FOR DEEP SUBMERGENCE SYSTEMS AND REQUIRES CLEANING, PACKING, AND MARKING IAW MIL-STD-1622 OR MIL-STD-1330 AS DEEMED APPLICABLE; CRITICAL ITEM FOR SAFETY AND SURVIVAL OF DEEP SUBMERGENCE RESEARCH AND RESCUE VEHICALS AS DIFFERENTIATED BY SPECIAL TEST FEATURES. 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.
NSN 2040-01-656-2615 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.