The Disc and Stem, cataloged under National Stock Number 1620-00-970-3604, is classified within Federal Supply Class 1620 (Aircraft Landing Gear Components) of the Aircraft Components and Accessories group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 1620-00-970-3604 |
| Item Name | Disc and Stem |
| FSC / FSG | 1620 / 16 — Aircraft Landing Gear Components |
| Status | ACTIVE |
| General Characteristics Item Description | STAINLESS STEEL; 0.970 IN. LG,0.050 IN. DIA; CONTROLS AIR PRESSURE IN EMERGENCY AIR SYSTEM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 841373 | 5/9 Secondary reference Kidde-Fenwal, Llc |
| 841373 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1620-00-970-3604 is a Disc and Stem, classified under FSC 1620, Aircraft Landing Gear Components. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5305-01-444-7364. Verify interchangeability with system specifications before substitution.
Key specifications for 1620-00-970-3604: General Characteristics Item Description: STAINLESS STEEL; 0.970 IN. LG,0.050 IN. DIA; CONTROLS AIR PRESSURE IN EMERGENCY AIR SYSTEM IN; End Item Identification: C7A ACFT. 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.
NSN 1620-00-970-3604 has DEMIL Code Q. 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.