PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8537694-3Crystal Unit,quartz

L3 Technologies, Inc. Div Communication Systems-East · NSN 5955-00-928-1536 · FSC 5955 · No Item Name Available
Verified by PartsTable
NSN 5955-00-928-1536 — this item is cataloged by the U.S. Government under National Stock Number 5955-00-928-1536. Primary manufacturer part number: 8537694-3.
Features
  • Crystal Unit,quartz — FSC 5955
  • Operating Temp Range: -55.0 TO 105.0 CELSIUS AND -55.0 TO 125.0 CELSIUS DEGC
  • Material: GLASS COVER HOLDER
  • Drive Level Rating: 2.0 MILLIWATTS NOMINAL AND 1.8 MILLIWATTS MINIMUM AND 2.2 MILLIWATTS MAXIMUM
  • Center to Center Distance Between Terminals: 0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
  • Equivalent Resistance Value in Ohms: 40.0 NOMINAL
  • Frequency Tolerance for Operating Temp in Percent: -0.006 TO 0.006
  • Overall Thickness: 0.185 INCHES MAXIMUM IN
Applications
  • Applications requiring Glass Cover Holder construction
General Description

The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-928-1536, 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 L3 Technologies, Inc. Div Communication Systems-East. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN5955-00-928-1536
Primary Part Number8537694-3
Item NameCrystal Unit,quartz
FSC / FSG5955 / 59 — No Item Name Available
ManufacturerL3 Technologies, Inc. Div Communication Systems-East
StatusACTIVE
Operating Temp Range-55.0 TO 105.0 CELSIUS AND -55.0 TO 125.0 CELSIUS DEGC
MaterialGLASS COVER HOLDER
Drive Level Rating2.0 MILLIWATTS NOMINAL AND 1.8 MILLIWATTS MINIMUM AND 2.2 MILLIWATTS MAXIMUM
Center to Center Distance Between Terminals0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
Equivalent Resistance Value in Ohms40.0 NOMINAL
Frequency Tolerance for Operating Temp in Percent-0.006 TO 0.006
Overall Thickness0.185 INCHES MAXIMUM IN
Circuit ResonanceSERIES RESONANCE
Terminal Diameter0.038 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
Body Length0.530 INCHES MAXIMUM IN
Terminal Length0.223 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN
Specified Frequency101.300 MEGAHERTZ
Mode of OscillationFIFTH OVERTONE AND THIRD OVERTONE
Shunt Capacitance in Picofarads5.5 MINIMUM AND 7.5 MAXIMUM
Style DesignatorROUND BODY, FERRULE TERMINALS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5330-00-236-1411 INTERCHANGEABLE
Packing,preformed
1325-00-585-9289 INTERCHANGEABLE
Delay Element,fuze
4030-00-840-1565 INTERCHANGEABLE
Shackle
5940-01-036-6236 INTERCHANGEABLE
Terminal,casualty Power System
4030-01-142-2972G-213 INTERCHANGEABLE
Shackle
The Crosby Group Llc Dba the Crosby Group
4030-01-150-4798G-213-.63 INTERCHANGEABLE
Shackle
The Crosby Group Llc Dba the Crosby Group
5220-01-440-2946G213 INTERCHANGEABLE
Gage,crimping Tool
Daniels Manufacturing Corporation
Cross-Reference Index
Part NumberManufacturer
G21-3 Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA)
8537694-3 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
8537694-3 S. W. Electronics & Manufacturing Corp. Dba Swemco (USA)
8537694-3 PRIMARY L3 Technologies, Inc. Div Communication Systems-East (USA)
8537694-3 Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA)
Related Parts
5330-00-236-1411INTERCHANGEABLE
PACKING,PREFORMED
1325-00-585-9289INTERCHANGEABLE
DELAY ELEMENT,FUZE
4030-00-840-1565INTERCHANGEABLE
SHACKLE
5940-01-036-6236INTERCHANGEABLE
TERMINAL,CASUALTY POWER SYSTEM
4030-01-142-2972INTERCHANGEABLE
SHACKLE
G-213
4030-01-150-4798INTERCHANGEABLE
SHACKLE
G-213-.63
5220-01-440-2946INTERCHANGEABLE
GAGE,CRIMPING TOOL
G213

Frequently Asked Questions

What is NSN 5955-00-928-1536?

NSN 5955-00-928-1536 is a Crystal Unit,quartz, manufactured by L3 Technologies, Inc. Div Communication Systems-East, classified under FSC 5955 (No Item Name Available). Status: active.

What are the part numbers for NSN 5955-00-928-1536?

NSN 5955-00-928-1536 has 5 cross-referenced part numbers: G21-3 (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled), 8537694-3 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), 8537694-3 (S. W. Electronics & Manufacturing Corp. Dba Swemco), 8537694-3 (L3 Technologies, Inc. Div Communication Systems-East), 8537694-3 (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled).

What NSN replaces 5955-00-928-1536?

There are 7 known substitutes for 5955-00-928-1536: 5330-00-236-1411, 1325-00-585-9289, 4030-00-840-1565 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8537694-3?

Key specifications for 8537694-3: Operating Temp Range: -55.0 TO 105.0 CELSIUS AND -55.0 TO 125.0 CELSIUS DEGC; Material: GLASS COVER HOLDER; Drive Level Rating: 2.0 MILLIWATTS NOMINAL AND 1.8 MILLIWATTS MINIMUM AND 2.2 MILLIWATTS MAXIMUM; Center to Center Distance Between Terminals: 0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN. 17 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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