The Cover,waveguide, cataloged under National Stock Number 5975-01-118-7998, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Leonardo S.p.a. Div Electronics. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5975-01-118-7998 |
| Primary Part Number | 311493-2 |
| Item Name | Cover,waveguide |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Manufacturer | Leonardo S.p.a. Div Electronics |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL PLASTIC; LG. 1.230 IN.; W. 1.220 IN.; HT. 1.050 IN.; BODY SHAPE: HOLLOWED OUT WITH THREE OF THE SIX SIDES OPEN IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 311493-2 | Leonardo S.p.a. Div Electronics (ITA) |
| Reference | Meaning |
|---|---|
| 311493-2 | 5/9 Secondary reference Fiar Fabbrica Italiana Apparecchiature Radioelettriche Spa |
| 311493-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5975-01-118-7998 is a Cover,waveguide, manufactured by Leonardo S.p.a. Div Electronics, classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
NSN 5975-01-118-7998 has 1 manufacturer part number on file: 311493-2 (Leonardo S.p.a. Div Electronics).
1 possible match (shared part number, not a government interchangeability claim): 1560-01-631-6672. Verify interchangeability with system specifications before substitution.
Key specifications for 311493-2: General Characteristics Item Description: MATERIAL PLASTIC; LG. 1.230 IN.; W. 1.220 IN.; HT. 1.050 IN.; BODY SHAPE: HOLLOWED OUT WITH THREE OF THE SIX SIDES OPEN IN. 1 specification is documented in the U.S. Government catalog.
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.