The Spring Special, cataloged under National Stock Number 1680-01-653-6465, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Koito Mfg Co. Ltd. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 1680-01-653-6465 |
| Primary Part Number | 81108-37701 |
| Item Name | Spring Special |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Koito Mfg Co. Ltd |
| Status | ACTIVE |
| 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 |
|---|---|
| 81108-37701 PRIMARY | Koito Mfg Co. Ltd (JPN) |
| Reference | Meaning |
|---|---|
| 81108-37701 | 3/9 Design control — primary reference Koito Mfg Co. Ltd |
NSN 1680-01-653-6465 is a Spring Special, manufactured by Koito Mfg Co. Ltd, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-653-6465 has 1 manufacturer part number on file: 81108-37701 (Koito Mfg Co. Ltd).
1 possible match (shared part number, not a government interchangeability claim): 5360-01-658-5228. Verify interchangeability with system specifications before substitution.
Key specifications for 81108-37701: Part Name Assigned by Controlling Agency: SPRING. 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.