The Test Fin, cataloged under National Stock Number 4935-01-055-6416, is classified within Federal Supply Class 4935 (Guided Missile Maintenance, Repair, and Checkout Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Lockheed Martin Corp Electronics and Missiles Div. 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 | 4935-01-055-6416 |
| Primary Part Number | 63955 |
| Item Name | Test Fin |
| FSC / FSG | 4935 / 49 — Guided Missile Maintenance, Repair, and Checkout Specialized Equipment |
| Manufacturer | Lockheed Martin Corp Electronics and Missiles Div |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 63955 PRIMARY | Lockheed Martin Corp Electronics and Missiles Div (USA) |
NSN 4935-01-055-6416 is a Test Fin, manufactured by Lockheed Martin Corp Electronics and Missiles Div, classified under FSC 4935, Guided Missile Maintenance, Repair, and Checkout Specialized Equipment. Status: active.
NSN 4935-01-055-6416 has 1 manufacturer part number on file: 63955 (Lockheed Martin Corp Electronics and Missiles Div).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-525-4406. Verify interchangeability with system specifications before substitution.
Key specifications for 63955: End Item Identification: MISSILE AIM-9J. 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 4935-01-055-6416 has DEMIL Code B. 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.