PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SM-C-357608-22Crystal Unit,quartz

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5955-00-078-4602 · FSC 5955 · No Item Name Available
Verified by PartsTable
NSN 5955-00-078-4602 — this item is cataloged by the U.S. Government under National Stock Number 5955-00-078-4602. Primary manufacturer part number: SM-C-357608-22.
Features
  • Crystal Unit,quartz — FSC 5955
  • Specified Frequency: 138.720 KILOHERTZ
  • Style Designator: OVAL BODY, PIN TERMINALS
  • Center to Center Distance Between Terminals: 0.486 INCHES NOMINAL IN
  • Body Width: 0.725 INCHES NOMINAL IN
  • Overall Thickness: 0.352 INCHES NOMINAL IN
  • Body Length: 0.750 INCHES NOMINAL IN
  • FSC Application Data: PIEZOELECTRIC CRYSTALS
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-078-4602, 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 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5955-00-078-4602
Primary Part NumberSM-C-357608-22
Item NameCrystal Unit,quartz
FSC / FSG5955 / 59 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusCANCELLED
Specified Frequency138.720 KILOHERTZ
Style DesignatorOVAL BODY, PIN TERMINALS
Center to Center Distance Between Terminals0.486 INCHES NOMINAL IN
Body Width0.725 INCHES NOMINAL IN
Overall Thickness0.352 INCHES NOMINAL IN
Body Length0.750 INCHES NOMINAL IN
FSC Application DataPIEZOELECTRIC CRYSTALS
Terminal Diameter0.050 INCHES NOMINAL IN
Terminal Length0.248 INCHES NOMINAL IN
Body Thickness0.317 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
6645-00-526-62662500-5 INTERCHANGEABLE
Stamp,time
International Business Machines Corp Parts Order Center Dept E - 54
Cross-Reference Index
Part NumberManufacturer
SM-C-357608-22 Cts Reeves Frequency Products (USA)
12AM Telephone Systems/communications (USA)
XL10001-12AM-21 25CPS Telephone Systems/communications (USA)
SM-C-357608-22 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
2001-138-720KC Piezo Crystal Co (USA)
XL10001-12AM Telephone Systems/communications (USA)
Related Parts
6645-00-526-6266INTERCHANGEABLE
STAMP,TIME
2500-5

Frequently Asked Questions

What is NSN 5955-00-078-4602?

NSN 5955-00-078-4602 is a Crystal Unit,quartz, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5955 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5955-00-078-4602?

NSN 5955-00-078-4602 has 6 cross-referenced part numbers: SM-C-357608-22 (Cts Reeves Frequency Products), 12AM (Telephone Systems/communications), XL10001-12AM-21 25CPS (Telephone Systems/communications), SM-C-357608-22 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 2001-138-720KC (Piezo Crystal Co) and 1 more.

What NSN replaces 5955-00-078-4602?

There is 1 known substitute for 5955-00-078-4602: 6645-00-526-6266. Verify interchangeability with system specifications before substitution.

What are the specifications of SM-C-357608-22?

Key specifications for SM-C-357608-22: Specified Frequency: 138.720 KILOHERTZ; Style Designator: OVAL BODY, PIN TERMINALS; Overall Length: 0.998 INCHES NOMINAL IN; Center to Center Distance Between Terminals: 0.486 INCHES NOMINAL IN. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5955-00-078-4602 still in active supply?

NSN 5955-00-078-4602 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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