PartsTable TECHNICAL DATA SHEET
NSN 5985-00-989-9657Government record, cited

Attenuator, Fixed5985-00-989-9657

NSN 5985-00-989-9657 · NIIN 009899657 · Part number 77C714882-1
Lockheed Martin Corporation Div Rms · FSC 5985 — Antennas, Waveguides, and Related Equipment · FSG 59 — Electrical and Electronic Equipment Components · CAGE 03538
Government record, cited
NSN 5985-00-989-9657 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-989-9657. Manufacturer of record part number: 77C714882-1.
Also searched as  5985-00-989-9657 · 5985009899657 · NIIN 009899657 · 00-989-9657 · FSC 5985 Antennas, Waveguides, and Related Equipment · CAGE 03538 · 77C714882-1 · AA-01T · MDC620-01-3 · 50SP1-1575
Nearby stock numbers  ·
Features
  • Attenuator,fixed — FSC 5985
  • 4 manufacturer part numbers on file
  • Manufacturer of record: Lockheed Martin Corporation Div Rms
Identification
  • NSN: 5985-00-989-9657
  • NIIN: 009899657
  • FSC: 5985 — Antennas, Waveguides, and Related Equipment
  • FSG: 59 — Electrical and Electronic Equipment Components
  • Primary part number: 77C714882-1
  • Manufacturer: Lockheed Martin Corporation Div Rms
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-00-989-9657, 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. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts
Item NameAttenuator,fixed
FSC / FSG5985 — Antennas, Waveguides, and Related Equipment (FSG 59)
ManufacturersMicrolab/fxr Llc (CAGE 00929); Dal-Tech Devices, Inc. Dba Dal-Tech Devices Inc Div Dal-Tec Devices, Inc (CAGE 52335); Lockheed Martin Corporation Div Rms (CAGE 03538); Alan Industries Inc (CAGE 52750)
Technical Specifications
ParameterValue
NSN5985-00-989-9657
Primary Part Number77C714882-1
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — Antennas, Waveguides, and Related Equipment
ManufacturerLockheed Martin Corporation Div Rms
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardPossible hazard — SDS may be required (DLA HMIC P)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
AA-01T Microlab/fxr Llc (USA)
MDC620-01-3 Dal-Tech Devices, Inc. Dba Dal-Tech Devices Inc Div Dal-Tec Devices, Inc (USA)
77C714882-1 PRIMARY Lockheed Martin Corporation Div Rms (USA)
50SP1-1575 Alan Industries Inc (USA)
No interchangeability data on file.
Other items in FSC 5985 — Antennas, Waveguides, and Related Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5985-00-001-1854
ANTENNA
5985-00-001-1862
WAVEGUIDE ASSEMBLY
5985-00-001-1869
WAVEGUIDE ASSEMBLY
5985-00-001-1870
WAVEGUIDE ASSEMBLY
5985-00-001-1871
WAVEGUIDE ASSEMBLY
5985-00-001-1874
WAVEGUIDE ASSEMBLY
5985-00-001-1875
ADAPTER,WAVEGUIDE
5985-00-001-1876
WAVEGUIDE ASSEMBLY

Frequently Asked Questions

What is NSN 5985-00-989-9657?

NSN 5985-00-989-9657 is a Attenuator,fixed, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.

What part numbers are listed for NSN 5985-00-989-9657?

NSN 5985-00-989-9657 has 4 manufacturer part numbers on file: AA-01T (Microlab/fxr Llc), MDC620-01-3 (Dal-Tech Devices, Inc. Dba Dal-Tech Devices Inc Div Dal-Tec Devices, Inc), 77C714882-1 (Lockheed Martin Corporation Div Rms), 50SP1-1575 (Alan Industries Inc).

Is NSN 5985-00-989-9657 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

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.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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