The Attenuator,fixed, cataloged under National Stock Number 5985-01-254-5267, 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 Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems. Government technical data includes 21 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-254-5267 |
| Primary Part Number | 1000-0320 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems |
| Status | ACTIVE |
| Mounting Hole/stud Quantity | 4 |
| Frequency Range | 0.960 GIGAHERTZ MINIMUM AND 1.215 GIGAHERTZ MAXIMUM |
| Body Style | RECTANGULAR, TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Voltage Standing Wave Ratio | 1.15 |
| Input Impedance Rating in Ohms | 50.0 |
| Mounting Method | CONNECTOR AND FLANGE WITH MOUNTING HOLE |
| Rf Signal Attenuation in Decibels | 10.0 |
| Attenuation Accuracy in Decibels | -0.30 TO 0.30 |
| Center to Center Distance Between Mounting Facilities Parallel to Height | 0.718 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE BODY |
| Connection Type Per Function | FEMALE INPUT AND MALE OUTPUT |
| Operating Temp Range | -40.0 TO 75.0 CELSIUS DEGC |
| Voltage Standing Wave Ratio Frequency Range | +960.0 TO 1215.0 MEGAHERTZ |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 0.718 INCHES NOMINAL IN |
| Application Design | TRANSMISSION LINE |
| Material | ALUMINUM BODY |
| Power Rating | 10.0 WATTS AVERAGE AND 3500.0 WATTS PEAK |
| Mounting Facility Thread Size and Series/type Designator | 4-40 UNIFIED NATIONAL COARSE (UNC) |
| Terminal Type and Quantity | 2 CONNECTOR |
| Output Impedance Rating in Ohms | 50.0 |
| Coaxial Connector Series Designation | N AND SMA |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1000-0320 PRIMARY | Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (USA) |
NSN 5985-01-254-5267 is a Attenuator,fixed, manufactured by Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-254-5267 has 1 manufacturer part number on file: 1000-0320 (Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems).
Key specifications for 1000-0320: Overall Height: 1.000 INCHES NOMINAL IN; Mounting Hole/stud Quantity: 4; Frequency Range: 0.960 GIGAHERTZ MINIMUM AND 1.215 GIGAHERTZ MAXIMUM; Body Style: RECTANGULAR, TERMINAL/TERMINALS ON OPPOSITE SURFACES. 21 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 5985-01-254-5267 has DEMIL Code D. 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.