The Case,mast, cataloged under National Stock Number 5985-01-590-9737, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Mastsystem Int'l Oy. The record lists 2 manufacturer part numbers 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.
| Item Name | Case,mast |
| FSC / FSG | 5985 — Antennas, Waveguides, and Related Equipment (FSG 59) |
| Manufacturers | Mastsystem Int'l Oy (CAGE A196G); Tim Price Inc. Dba Tim Price Inc (CAGE 097B0) |
| Parameter | Value |
|---|---|
| NSN | 5985-01-590-9737 |
| Primary Part Number | 310435 |
| Item Name | Case,mast |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Mastsystem Int'l Oy |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5985-01-590-9737 is a Case,mast, manufactured by Mastsystem Int'l Oy, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-590-9737 has 2 manufacturer part numbers on file: 310435 (Mastsystem Int'l Oy), 800621 (Tim Price Inc. Dba Tim Price Inc).
1 possible match (shared part number, not a government interchangeability claim): 5315-01-596-9612. Verify interchangeability with system specifications before substitution.
Possible hazard — SDS may be required (DLA HMIC P). 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.