The Attenuator Subassembly, cataloged under National Stock Number 5985-01-004-1813, 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 Telephonics Corp/prd Instruments. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-004-1813 |
| Primary Part Number | 39354 |
| Item Name | Attenuator Subassembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Telephonics Corp/prd Instruments |
| Status | ACTIVE |
| Overall Diameter | 2.120 INCHES MINIMUM AND 2.125 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 39354 PRIMARY | Telephonics Corp/prd Instruments (USA) |
| Reference | Meaning |
|---|---|
| 39354 | 5/9 Secondary reference Peraton Inc |
NSN 5985-01-004-1813 is a Attenuator Subassembly, manufactured by Telephonics Corp/prd Instruments, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-004-1813 has 1 manufacturer part number on file: 39354 (Telephonics Corp/prd Instruments).
2 possible matches (shared part number, not a government interchangeability claim): 4470-01-026-0300, 3456-01-319-0009. Verify interchangeability with system specifications before substitution.
Key specifications for 39354: Overall Diameter: 2.120 INCHES MINIMUM AND 2.125 INCHES MAXIMUM IN; Overall Length: 1.240 INCHES MINIMUM AND 1.244 INCHES MAXIMUM IN; Special Features: DRUM-SHORT 1,ATTENUATOR PAD 9,CONDUCTOR-SHORT 1,SET SCREW 20;ATTENUATOR,TEST CENTRAL,AIRBORNE WEAPONS SYSTEM. 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.
NSN 5985-01-004-1813 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.