The Ram Air Inlet Duct, cataloged under National Stock Number 1680-01-681-3988, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Aim Aerospace Sumner, Inc. Dba Aim Aerospace Sumner Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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 | 1680-01-681-3988 |
| Primary Part Number | 708700-1 |
| Item Name | Ram Air Inlet Duct |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Aim Aerospace Sumner, Inc. Dba Aim Aerospace Sumner Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | V |
| Part Number | Manufacturer |
|---|---|
| 708700-1 PRIMARY | Aim Aerospace Sumner, Inc. Dba Aim Aerospace Sumner Inc (USA) |
NSN 1680-01-681-3988 is a Ram Air Inlet Duct, manufactured by Aim Aerospace Sumner, Inc. Dba Aim Aerospace Sumner Inc, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-681-3988 has 1 manufacturer part number on file: 708700-1 (Aim Aerospace Sumner, Inc. Dba Aim Aerospace Sumner Inc).
1 possible match (shared part number, not a government interchangeability claim): 1660-01-693-2564. Verify interchangeability with system specifications before substitution.
Key specifications for 708700-1: Part Name Assigned by Controlling Agency: RAM AIR INLET DUCT. 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.