The Spring,tens, cataloged under National Stock Number 1615-01-608-4677, is classified within Federal Supply Class 1615 (Helicopter Rotor Blades, Drive Mechanisms and Components) of the Aircraft Components and Accessories group. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1615-01-608-4677 |
| Item Name | Spring,tens |
| FSC / FSG | 1615 / 16 — Helicopter Rotor Blades, Drive Mechanisms and Components |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 269D5017-023 | 3/9 Design control — primary reference Schweizer Aircraft Corp. |
| 269D5017-023 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 269D5017-023 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
| 269D5017-023 | 5/9 Secondary reference Aire-Tech Aviation Repairs, Inc. |
NSN 1615-01-608-4677 is a Spring,tens, classified under FSC 1615, Helicopter Rotor Blades, Drive Mechanisms and Components. Status: active.
Key specifications for 1615-01-608-4677: Part Name Assigned by Controlling Agency: NAVY: SPRING B/D TENS 21B; End Item Identification: MQ-8B VTUAV. 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.
NSN 1615-01-608-4677 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.