The Tube Assembly,seat Support, cataloged under National Stock Number 1680-01-175-9444, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 1680-01-175-9444 |
| Item Name | Tube Assembly,seat Support |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Status | ACTIVE |
| General Characteristics Item Description | 77.610 IN. LG. APPROX.;CONSISTS OF ONE EA. OF THE FOLLOWING-TUBE P/N 374916-6;FITTING P/N 374917-1;MISC. HARDWARE IN |
| Functional Description | USED TO SUPPORT THE BACK OF THE SEAT,SIDEWALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 374916-3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1680-01-175-9444 is a Tube Assembly,seat Support, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2520-01-643-7220. Verify interchangeability with system specifications before substitution.
Key specifications for 1680-01-175-9444: General Characteristics Item Description: 77.610 IN. LG. APPROX.;CONSISTS OF ONE EA. OF THE FOLLOWING-TUBE P/N 374916-6;FITTING P/N 374917-1;MISC. HARDWARE IN; Functional Description: USED TO SUPPORT THE BACK OF THE SEAT,SIDEWALL; End Item Identification: P/N 370982-1;C130B ACFT. 2 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.