The Cover,underwater Log, cataloged under National Stock Number 6605-01-155-4037, is classified within Federal Supply Class 6605 (Navigational Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Dynalec Corporation. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 6605-01-155-4037 |
| Primary Part Number | 4L244 |
| Item Name | Cover,underwater Log |
| FSC / FSG | 6605 / 66 — Navigational Instruments |
| Manufacturer | Dynalec Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM IAW QQ-R-601 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 4L244 PRIMARY | Dynalec Corporation (USA) |
| Reference | Meaning |
|---|---|
| UL4103-1 PIECE 6 | 5/9 Secondary reference The Electric Tachometer Corp. |
| UL4103-1 PIECE | 5/1 Secondary reference Dynalec Corporation |
| 4L244 | 5/9 Secondary reference The Electric Tachometer Corp. |
NSN 6605-01-155-4037 is a Cover,underwater Log, manufactured by Dynalec Corporation, classified under FSC 6605, Navigational Instruments. Status: active.
NSN 6605-01-155-4037 has 1 manufacturer part number on file: 4L244 (Dynalec Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5365-01-547-1770. Verify interchangeability with system specifications before substitution.
Key specifications for 4L244: General Characteristics Item Description: ALUMINUM IAW QQ-R-601. 1 specification is 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.