The Attenuator Assembly, cataloged under National Stock Number 5985-01-449-7068, 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 Viavi Solutionsllc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5985-01-449-7068 |
| Primary Part Number | 48531 |
| Item Name | Attenuator Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Viavi Solutionsllc |
| Status | ACTIVE |
| Mounting Method | BOLT |
| Assembly Construction Method | ENCASED IN HOUSING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 48531 PRIMARY | Viavi Solutionsllc (USA) |
| 4491/132T | Viavi Solutionsllc (USA) |
| 44991/132T | Viavi Solutionsllc (USA) |
| Reference | Meaning |
|---|---|
| 44991/132 | 5/9 Secondary reference Marconi Electronics Inc Marconi Instruments Div |
| 44991/132 | 5/9 Secondary reference Viavi Solutionsllc |
NSN 5985-01-449-7068 is a Attenuator Assembly, manufactured by Viavi Solutionsllc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-449-7068 has 3 manufacturer part numbers on file: 48531 (Viavi Solutionsllc), 4491/132T (Viavi Solutionsllc), 44991/132T (Viavi Solutionsllc).
1 possible match (shared part number, not a government interchangeability claim): 5133-01-460-0286. Verify interchangeability with system specifications before substitution.
Key specifications for 48531: Mounting Method: BOLT; End Item Identification: 6625014326997 E/I FSCM 09553; Assembly Construction Method: ENCASED IN HOUSING. 2 specifications are 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.
NSN 5985-01-449-7068 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.