The Middle Web Middle Section, cataloged under National Stock Number 2040-01-443-6209, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Aef-Performance Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2040-01-443-6209 |
| Primary Part Number | 6981356-021 |
| Item Name | Middle Web Middle Section |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Aef-Performance Llc |
| Status | ACTIVE |
| Material | RUBBER SYNTHETIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 6981356-021 PRIMARY | Aef-Performance Llc (USA) |
| 6981356-021 | Smr Acquisition Llc (USA) |
| Reference | Meaning |
|---|---|
| 6981356-021 | 5/1 Secondary reference Naval Sea Systems Command |
| 119-6981356REV C FIND NO. 21 | 3/1 Design control — primary reference Naval Sea Systems Command |
| 119-6981356 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 2040-01-443-6209 is a Middle Web Middle Section, manufactured by Aef-Performance Llc, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-443-6209 has 2 manufacturer part numbers on file: 6981356-021 (Aef-Performance Llc), 6981356-021 (Smr Acquisition Llc).
2 possible matches (shared part number, not a government interchangeability claim): 2040-01-443-6210, 2040-01-447-3607. Verify interchangeability with system specifications before substitution.
Key specifications for 6981356-021: Overall Length: 193.700 INCHES NOMINAL IN; Overall Width: 26.880 INCHES NOMINAL IN; End Item Identification: SKIRT; Material: RUBBER SYNTHETIC. 1 specification is 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 2040-01-443-6209 has DEMIL Code Q. 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.