PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12891Oscillator,crystal Controlled

Drs Advanced Isr, Llc · NSN 5955-00-116-7421 · FSC 5955 · No Item Name Available
Verified by PartsTable
NSN 5955-00-116-7421 — this item is cataloged by the U.S. Government under National Stock Number 5955-00-116-7421. Primary manufacturer part number: 12891.
Features
  • Oscillator,crystal Controlled — FSC 5955
  • Installation Design: MECHANICAL
  • Vibration Resistance Amplitude: 1.3 GRAVITATIONAL UNITS
  • Average Life Measurement: NOT RATED
  • Inclosure Type: ENCASED
  • Basic Shape Style: RECTANGULAR OR SQUARE
  • Operating Temp Range: +0.0 TO 65.0 CELSIUS DEGC
  • Frequency Per Channel: 201.28 KILOHERTZ NOMINAL OPERATING CHANNEL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Oscillator,crystal Controlled, cataloged under National Stock Number 5955-00-116-7421, is classified within Federal Supply Class 5955 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Drs Advanced Isr, Llc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5955-00-116-7421
Primary Part Number12891
Item NameOscillator,crystal Controlled
FSC / FSG5955 / 59 — No Item Name Available
ManufacturerDrs Advanced Isr, Llc
StatusACTIVE
Installation DesignMECHANICAL
Vibration Resistance Amplitude1.3 GRAVITATIONAL UNITS
Average Life MeasurementNOT RATED
Inclosure TypeENCASED
Basic Shape StyleRECTANGULAR OR SQUARE
Operating Temp Range+0.0 TO 65.0 CELSIUS DEGC
Frequency Per Channel201.28 KILOHERTZ NOMINAL OPERATING CHANNEL
Circuit Construction TypeSOLID STATE
Connection TypeSOLDER LUG BOTTOM
External DC Operating Voltage in Volts12.0 NOMINAL SINGLE VOLTAGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
6625-00-392-6403 INTERCHANGEABLE
Spring
5365-00-407-127712891 INTERCHANGEABLE
Ring,transducer
L3harris Technologies, Inc. Div Space and Airborne Systems
5895-00-407-564612891 INTERCHANGEABLE
Shaft
Leica Inc Surveying and Photogrammetry Systems Div
5360-00-469-1447V12734 INTERCHANGEABLE
Spring,yoke
Itw Food Equipment Group Llc Dba Hobart Service
3110-01-415-26921289-1 INTERCHANGEABLE
Bearing,ball,annular
Ingersoll-Rand Co Material Handling Div
5996-01-663-981712891 INTERCHANGEABLE
Amplifier,audio Frequency
Eon Instrumentation, Inc.
5325-01-690-540812891 INTERCHANGEABLE
Ring,retaining
Hyster-Yale Group, Inc.
Cross-Reference Index
Part NumberManufacturer
970-3019 Cts Inc (USA)
010-0312 Cts Inc (USA)
12891 PRIMARY Drs Advanced Isr, Llc (USA)
Related Parts
6625-00-392-6403INTERCHANGEABLE
SPRING
5365-00-407-1277INTERCHANGEABLE
RING,TRANSDUCER
12891
5895-00-407-5646INTERCHANGEABLE
SHAFT
12891
5360-00-469-1447INTERCHANGEABLE
SPRING,YOKE
V12734
3110-01-415-2692INTERCHANGEABLE
BEARING,BALL,ANNULAR
1289-1
5996-01-663-9817INTERCHANGEABLE
AMPLIFIER,AUDIO FREQUENCY
12891
5325-01-690-5408INTERCHANGEABLE
RING,RETAINING
12891

Frequently Asked Questions

What is NSN 5955-00-116-7421?

NSN 5955-00-116-7421 is a Oscillator,crystal Controlled, manufactured by Drs Advanced Isr, Llc, classified under FSC 5955 (No Item Name Available). Status: active.

What are the part numbers for NSN 5955-00-116-7421?

NSN 5955-00-116-7421 has 3 cross-referenced part numbers: 970-3019 (Cts Inc), 010-0312 (Cts Inc), 12891 (Drs Advanced Isr, Llc).

What NSN replaces 5955-00-116-7421?

There are 7 known substitutes for 5955-00-116-7421: 6625-00-392-6403, 5365-00-407-1277, 5895-00-407-5646 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12891?

Key specifications for 12891: Installation Design: MECHANICAL; Vibration Resistance Amplitude: 1.3 GRAVITATIONAL UNITS; Average Life Measurement: NOT RATED; Inclosure Type: ENCASED. 13 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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