The Hatch,marine, cataloged under National Stock Number 2040-01-411-6662, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Pompanette Llc. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2040-01-411-6662 |
| Primary Part Number | 81020-11 |
| Item Name | Hatch,marine |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Pompanette Llc |
| Status | ACTIVE |
| Spring Balance Feature | NOT INCLUDED |
| Opening Length | 21.063 INCHES NOMINAL IN |
| Opening Width | 12.000 INCHES NOMINAL IN |
| Rectangular Hatch Hinge Location | LONG SIDE |
| Scuttle | NOT INCLUDED |
| Hasp | NOT INCLUDED |
| Operating Location | ABOVE |
| Material | PLASTIC POLYVINYL CHLORIDE (PVC) PANEL |
| Installation Design | FLUSH |
| Operating Control Type | DROP BOLT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5619-230 ITEM 45 | Bvt Surface Fleet Support Ltd (halmatic Range) (GBR) |
| 5619-230/45 | Bvt Surface Fleet Support Ltd (halmatic Range) (GBR) |
| 98016 | Bvt Surface Fleet Support Ltd (halmatic Range) (GBR) |
| HH12304 | Zodiac Milpro International (FRA) |
| 81020-11 PRIMARY | Pompanette Llc (USA) |
| Reference | Meaning |
|---|---|
| 81020-11 | 5/9 Secondary reference Pompanette, Llc |
| 81020 BLACK | C/1 Advisory reference — outside the item-of-supply concept Pompanette, Llc |
NSN 2040-01-411-6662 is a Hatch,marine, manufactured by Pompanette Llc, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-411-6662 has 5 manufacturer part numbers on file: 5619-230 ITEM 45 (Bvt Surface Fleet Support Ltd (halmatic Range)), 5619-230/45 (Bvt Surface Fleet Support Ltd (halmatic Range)), 98016 (Bvt Surface Fleet Support Ltd (halmatic Range)), HH12304 (Zodiac Milpro International), 81020-11 (Pompanette Llc).
1 possible match (shared part number, not a government interchangeability claim): 5365-01-521-1912. Verify interchangeability with system specifications before substitution.
Key specifications for 81020-11: Spring Balance Feature: NOT INCLUDED; Opening Length: 21.063 INCHES NOMINAL IN; Opening Width: 12.000 INCHES NOMINAL IN; Rectangular Hatch Hinge Location: LONG SIDE. 10 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.