The Attenuator,fixed, cataloged under National Stock Number 5985-00-122-1202, 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 Alliant Techsystems Operations Llc Div Defense Electronic Systems. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-122-1202 |
| Primary Part Number | 10139-1 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Alliant Techsystems Operations Llc Div Defense Electronic Systems |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIES,AND RELATED EQUIPMENT |
| Mounting Hole/stud Quantity | 2 |
| Frequency Range | 16.400 GIGAHERTZ MINIMUM AND 16.600 GIGAHERTZ MAXIMUM |
| Body Style | RECTANGULAR, TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 0.475 INCHES MINIMUM AND 0.485 INCHES MAXIMUM IN |
| Voltage Standing Wave Ratio | 2.50 |
| Mounting Method | UNTHREADED HOLE(S) |
| Unthreaded Mounting Hole Diameter | 0.125 INCHES NOMINAL IN |
| Body Length | 1.350 INCHES NOMINAL IN |
| Connection Type Per Function | FEMALE INPUT AND FEMALE OUTPUT |
| Operating Temp Range | -54.0 TO 71.0 CELSIUS DEGC |
| Voltage Standing Wave Ratio Frequency Range | +16.4 TO 16.6 GIGAHERTZ |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 0.480 INCHES NOMINAL IN |
| Application Design | TRANSMISSION LINE |
| Terminal Type and Quantity | 2 CONNECTOR |
| Coaxial Connector Series Designation | SMA |
| 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 |
|---|---|
| 33103A | Agilent Technologies, Inc. Div Agilent Technologies Headquarters (USA) |
| 10139-1 PRIMARY | Alliant Techsystems Operations Llc Div Defense Electronic Systems (USA) |
| Reference | Meaning |
|---|---|
| 33103A | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
NSN 5985-00-122-1202 is a Attenuator,fixed, manufactured by Alliant Techsystems Operations Llc Div Defense Electronic Systems, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-122-1202 has 2 manufacturer part numbers on file: 33103A (Agilent Technologies, Inc. Div Agilent Technologies Headquarters), 10139-1 (Alliant Techsystems Operations Llc Div Defense Electronic Systems).
Key specifications for 10139-1: Overall Height: 0.420 INCHES NOMINAL IN; FSC Application Data: ANTENNAS,WAVEGUIES,AND RELATED EQUIPMENT; Mounting Hole/stud Quantity: 2; Frequency Range: 16.400 GIGAHERTZ MINIMUM AND 16.600 GIGAHERTZ MAXIMUM. 16 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.
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.