PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

712731-4Crystal Unit,quartz

Raytheon Company Div Rmd Strategic · NSN 5955-00-499-7335 · FSC 5955 · No Item Name Available
Verified by PartsTable
NSN 5955-00-499-7335 — this item is cataloged by the U.S. Government under National Stock Number 5955-00-499-7335. Primary manufacturer part number: 712731-4.
Features
  • Crystal Unit,quartz — FSC 5955
  • Terminal Length: 1.500 INCHES MINIMUM IN
  • Material: GLASS COVER HOLDER
  • Circuit Resonance: ANTIRESONANCE
  • Shunt Capacitance in Picofarads: 5.7 NOMINAL AND 4.7 MINIMUM AND 6.7 MAXIMUM
  • Overall Thickness: 0.183 INCHES MAXIMUM IN
  • Load Capacitance in Picofarads: 26.5 NOMINAL AND 26.0 MINIMUM AND 27.0 MAXIMUM
  • Center to Center Distance Between Terminals: 0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
Applications
  • Applications requiring Glass Cover Holder construction
General Description

The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-499-7335, 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 Raytheon Company Div Rmd Strategic. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5955-00-499-7335
Primary Part Number712731-4
Item NameCrystal Unit,quartz
FSC / FSG5955 / 59 — No Item Name Available
ManufacturerRaytheon Company Div Rmd Strategic
StatusACTIVE
Terminal Length1.500 INCHES MINIMUM IN
MaterialGLASS COVER HOLDER
Circuit ResonanceANTIRESONANCE
Shunt Capacitance in Picofarads5.7 NOMINAL AND 4.7 MINIMUM AND 6.7 MAXIMUM
Overall Thickness0.183 INCHES MAXIMUM IN
Load Capacitance in Picofarads26.5 NOMINAL AND 26.0 MINIMUM AND 27.0 MAXIMUM
Center to Center Distance Between Terminals0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
Style DesignatorRECTANGULAR BODY, GULL WING
Operating Temp Range-40.0 TO 65.0 CELSIUS DEGC
Terminal Diameter0.015 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN
Specified Frequency9.045 MEGAHERTZ
Frequency Tolerance for Operating Temp in Percent-0.0025 TO 0.0025 AND -0.0050 TO 0.0050
Drive Level Rating5.0 MILLIWATTS NOMINAL AND 4.0 MILLIWATTS MINIMUM AND 6.0 MILLIWATTS MAXIMUM
Mode of OscillationFUNDAMENTAL
Equivalent Resistance Value in Ohms30.0 NOMINAL
Body Thickness0.150 INCHES MAXIMUM IN
Body Width0.402 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5315-00-264-3099 INTERCHANGEABLE
Key,machine
3439-00-426-0392W75-5 INTERCHANGEABLE
Desoldering Wick
Hexacon Electric Company
5935-00-503-97989955 INTERCHANGEABLE
Connector,plug,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5930-00-775-7577YC66DS1 INTERCHANGEABLE
Switch,thermostatic
Wisconsin Motors, Llc
5950-00-840-5420 INTERCHANGEABLE
Transformer,radio Frequency
5962-01-154-69239955 INTERCHANGEABLE
Microcircuit,linear
Lockheed Martin Corporation Div Rms
5985-01-268-4312 INTERCHANGEABLE
Attenuator,variable
6510-01-459-38659955 INTERCHANGEABLE
Dressing,hydrocolloid
Hollister Inc
5340-01-602-62519955 INTERCHANGEABLE
Clamp,loop
Harley Davidson Motor Co Inc
5970-01-612-7825K10-114 INTERCHANGEABLE
Insulator,plate
Bergquist Co
Cross-Reference Index
Part NumberManufacturer
K1011-4 Stellant Systems Inc (USA)
99-55 Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA)
712731-4 PRIMARY Raytheon Company Div Rmd Strategic (USA)
ERC1167-004 Electronic Research Company (USA)
Related Parts
5315-00-264-3099INTERCHANGEABLE
KEY,MACHINE
3439-00-426-0392INTERCHANGEABLE
DESOLDERING WICK
W75-5
5935-00-503-9798INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
9955
5930-00-775-7577INTERCHANGEABLE
SWITCH,THERMOSTATIC
YC66DS1
5950-00-840-5420INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
5962-01-154-6923INTERCHANGEABLE
MICROCIRCUIT,LINEAR
9955
5985-01-268-4312INTERCHANGEABLE
ATTENUATOR,VARIABLE
6510-01-459-3865INTERCHANGEABLE
DRESSING,HYDROCOLLOID
9955
5340-01-602-6251INTERCHANGEABLE
CLAMP,LOOP
9955
5970-01-612-7825INTERCHANGEABLE
INSULATOR,PLATE
K10-114

Frequently Asked Questions

What is NSN 5955-00-499-7335?

NSN 5955-00-499-7335 is a Crystal Unit,quartz, manufactured by Raytheon Company Div Rmd Strategic, classified under FSC 5955 (No Item Name Available). Status: active.

What are the part numbers for NSN 5955-00-499-7335?

NSN 5955-00-499-7335 has 4 cross-referenced part numbers: K1011-4 (Stellant Systems Inc), 99-55 (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled), 712731-4 (Raytheon Company Div Rmd Strategic), ERC1167-004 (Electronic Research Company).

What NSN replaces 5955-00-499-7335?

There are 10 known substitutes for 5955-00-499-7335: 5315-00-264-3099, 3439-00-426-0392, 5935-00-503-9798 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 712731-4?

Key specifications for 712731-4: Terminal Length: 1.500 INCHES MINIMUM IN; Material: GLASS COVER HOLDER; Circuit Resonance: ANTIRESONANCE; Shunt Capacitance in Picofarads: 5.7 NOMINAL AND 4.7 MINIMUM AND 6.7 MAXIMUM. 19 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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