The Attenuator,fixed, cataloged under National Stock Number 5985-01-074-3975, 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 Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 19 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5985-01-074-3975 |
| Primary Part Number | 207886 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WVEGUIDES,AND RELATED EQUIPMENT |
| Frequency Range | 0.000 HERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM |
| Frequency Sensitivity Attenuation in Decibels | 0.20 |
| Body Style | ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE |
| Attenuation Accuracy Reference Frequency | 12.4 GIGAHERTZ |
| Overall Diameter | 0.375 INCHES NOMINAL IN |
| Voltage Standing Wave Ratio | 1.15 AND 1.30 |
| Input Impedance Rating in Ohms | 50.0 |
| Mounting Method | CONNECTOR |
| Rf Signal Attenuation in Decibels | 14.0 |
| Attenuation Accuracy in Decibels | -0.50 TO 0.50 |
| Connection Type Per Function | FEMALE OUTPUT AND MALE INPUT |
| Voltage Standing Wave Ratio Frequency Range | +0.0 TO 4.0 GIGAHERTZ AND +4.0 TO 12.4 GIGAHERTZ |
| Application Design | TRANSMISSION LINE |
| Unpackaged Unit Weight | 0.500 OUNCES OZ |
| Power Rating | 1.0 WATTS AVERAGE |
| Terminal Type and Quantity | 2 CONNECTOR |
| Output Impedance Rating in Ohms | 50.0 |
| Coaxial Connector Series Designation | NPM 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 |
|---|---|
| 207886 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 9412-14A | Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc (USA) |
| Reference | Meaning |
|---|---|
| SM-A-776940-3 | 7/2 Vendor item drawing reference U.S. Government activity |
| 9932-14 | 3/2 Design control — primary reference U.S. Government activity |
| 4778-14 | 5/2 Secondary reference U.S. Government activity |
NSN 5985-01-074-3975 is a Attenuator,fixed, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-074-3975 has 2 manufacturer part numbers on file: 207886 (Lockheed Martin Corporation Div Rms - Mitchel Field), 9412-14A (Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc).
2 possible matches (shared part number, not a government interchangeability claim): 6750-01-415-7701, 7610-01-732-4416. Verify interchangeability with system specifications before substitution.
Key specifications for 207886: FSC Application Data: ANTENNAS,WVEGUIDES,AND RELATED EQUIPMENT; Frequency Range: 0.000 HERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM; Frequency Sensitivity Attenuation in Decibels: 0.20; Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE. 19 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 5985-01-074-3975 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.