The Beam Assembly,support,seat, cataloged under National Stock Number 1680-00-031-3458, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Airborne Technologies, Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-00-031-3458 |
| Primary Part Number | 370983-3 |
| Item Name | Beam Assembly,support,seat |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Airborne Technologies, Inc. |
| 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,3 BRACKETS,FIRST TOP BRACKET37.00 IN. SECOND 53.75 IN. FROM LEFT END,BOTTOM BRACKET 10.81 IN. FROM END1 STRUT ASSY,TWO 0.158 IN. MIN,0.164 IN. MAX DIA HOLES IN LINE TAPNO. 10-32 NF-2 THD FIRST HOLE LOCATED 19.25 IN. FROM END SECOND HOLELOCATED 24.563 IN. FROM FIRST HOLE 1.81 IN. FROM TOP OF 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 |
| Part Number | Manufacturer |
|---|---|
| 370983-3 | Airborne Technologies, Inc. (USA) |
| 370983-3 | International Precision, Inc (USA) |
| Reference | Meaning |
|---|---|
| 370983-3 | 5/9 Secondary reference Air Precision Corp |
| 370983-3 | 3/2 Design control — primary reference U.S. Government activity |
| 1680PL0714745 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 1680-00-031-3458 is a Beam Assembly,support,seat, manufactured by Airborne Technologies, Inc., classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-00-031-3458 has 2 manufacturer part numbers on file: 370983-3 (Airborne Technologies, Inc.), 370983-3 (International Precision, Inc).
Key specifications for 370983-3: 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,3 BRACKETS,FIRST TOP BRACKET37.00 IN. SECOND 53.75 IN. FROM LEFT END,BOTTOM BRACKET 10.81 IN. FROM END1 STRUT ASSY,TWO 0.158 IN. MIN,0.164 IN. MAX DIA HOLES IN LINE TAPNO. 10-32 NF-2 THD FIRST HOLE LOCATED 19.25 IN. FROM END SECOND HOLELOCATED 24.563 IN. FROM FIRST HOLE 1.81 IN. FROM TOP OF 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.