The Lobe Assembly, cataloged under National Stock Number 2040-01-307-5113, 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 Sea Systems Command. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2040-01-307-5113 |
| Primary Part Number | 5749403-005 |
| Item Name | Lobe Assembly |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| General Characteristics Item Description | UPPER LOBE ASSEMBLY |
| 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 |
|---|---|
| 5749403-005 PRIMARY | Naval Sea Systems Command (USA) |
| 5749403-055 AND -056 | Smr Acquisition Llc (USA) |
| 5749403-055 AND -056 | Aef-Performance Llc (USA) |
NSN 2040-01-307-5113 is a Lobe Assembly, manufactured by Naval Sea Systems Command, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-307-5113 has 3 manufacturer part numbers on file: 5749403-005 (Naval Sea Systems Command), 5749403-055 AND -056 (Smr Acquisition Llc), 5749403-055 AND -056 (Aef-Performance Llc).
Key specifications for 5749403-005: General Characteristics Item Description: UPPER LOBE ASSEMBLY; End Item Identification: SKIRT GEOMETRY,CAGE 53711,P/N 119-5749336. 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 2040-01-307-5113 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.