The Beam Assembly,support,seat, cataloged under National Stock Number 1680-00-031-3459, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-00-031-3459 |
| Item Name | Beam Assembly,support,seat |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Status | ACTIVE |
| General Characteristics Item Description | 57.00 IN. LG,CONTAINS 3 SUPPORTS,FIRST LOCATED 6.62 IN. SECOND26.62 IN. THIRD 46.62 IN. FROM LEFT END,1 BRACKET ON BOTTOM LOCATED10.81 IN. FROM END,1 STRUT ASSY,TWO 0.158 IN. MIN,0.164 IN. MAX DIAHOLES IN LINE TAP NO. 10-32 NF-2 THD FIRST HOLE LOCATED 19.25 IN. FROMEND SECOND HOLE LOCATED 24.563 IN. FROM FIRST HOLE 1.81 IN.FROM TOPOF BEAM IN |
| 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 |
|---|---|
| 1680PL0714972 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 370983-4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1680-00-031-3459 is a Beam Assembly,support,seat, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
Key specifications for 1680-00-031-3459: General Characteristics Item Description: 57.00 IN. LG,CONTAINS 3 SUPPORTS,FIRST LOCATED 6.62 IN. SECOND26.62 IN. THIRD 46.62 IN. FROM LEFT END,1 BRACKET ON BOTTOM LOCATED10.81 IN. FROM END,1 STRUT ASSY,TWO 0.158 IN. MIN,0.164 IN. MAX DIAHOLES IN LINE TAP NO. 10-32 NF-2 THD FIRST HOLE LOCATED 19.25 IN. FROMEND SECOND HOLE LOCATED 24.563 IN. FROM FIRST HOLE 1.81 IN.FROM TOPOF BEAM IN. 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.
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.