The Finger Apron,inbd, cataloged under National Stock Number 2040-01-476-3405, 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. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2040-01-476-3405 |
| Primary Part Number | 7401521-002 |
| Item Name | Finger Apron,inbd |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Aef-Performance Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 7401521-002 | Smr Acquisition Llc (USA) |
| 7401521-002 PRIMARY | Aef-Performance Llc (USA) |
| Reference | Meaning |
|---|---|
| 7401521 | D/9 Drawing number reference only Naval Sea Systems Command |
| 9705210020 | 5/9 Secondary reference Aef-Performance Llc |
| 7401521-002 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 2040-01-476-3405 is a Finger Apron,inbd, manufactured by Aef-Performance Llc, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-476-3405 has 2 manufacturer part numbers on file: 7401521-002 (Smr Acquisition Llc), 7401521-002 (Aef-Performance Llc).
1 possible match (shared part number, not a government interchangeability claim): 2040-01-478-9945. Verify interchangeability with system specifications before substitution.
Key specifications for 7401521-002: Overall Length: 232.210 INCHES NOMINAL IN; Overall Width: 18.000 INCHES NOMINAL IN; Special Features: AKA: INBOARD FINGER APRON (OPPOSITE); MATERIAL: PER PPD 802-6336529 AND 802-6336530; End Item Identification: 7401511, USED ON LCAC DEEP SKIRT; WSD: LANDING CRAFT AIR CUSHION (LCAC). 0 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.