The Fore Tube Upper Lug, cataloged under National Stock Number 1680-01-538-2571, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Ctc Enterprise Ventures Corp. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-01-538-2571 |
| Primary Part Number | 04483A01-00 |
| Item Name | Fore Tube Upper Lug |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Ctc Enterprise Ventures Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 04483A01-00 PRIMARY | Ctc Enterprise Ventures Corp (USA) |
| Reference | Meaning |
|---|---|
| 04483A01-00 | 3/9 Design control — primary reference Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| 04483A01 | 5/9 Secondary reference Concurrent Technologies Corp |
| 02856H01 | 5/9 Secondary reference Concurrent Technologies Corp |
NSN 1680-01-538-2571 is a Fore Tube Upper Lug, manufactured by Ctc Enterprise Ventures Corp, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-538-2571 has 1 manufacturer part number on file: 04483A01-00 (Ctc Enterprise Ventures Corp).
Key specifications for 04483A01-00: Special Features: E-NSN INTERIM SUPPORT ITEMS LIST (ISIL) FOR AIRBORNE MINE COUNTERMEASURE MISSION; Part Name Assigned by Controlling Agency: (INAVY)FORE TUBE UPPER LUG; End Item Identification: MH60S AIRCRAFT. 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.