PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SM-A-942087Crystal Unit,quartz

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5955-01-088-2904 · FSC 5955 · No Item Name Available
Verified by PartsTable
NSN 5955-01-088-2904 — this item is cataloged by the U.S. Government under National Stock Number 5955-01-088-2904. Primary manufacturer part number: SM-A-942087.
Features
  • Crystal Unit,quartz — FSC 5955
  • Body Width: 0.399 INCHES NOMINAL IN
  • Overall Thickness: 0.166 INCHES NOMINAL IN
  • Shunt Capacitance in Picofarads: 6.0 MAXIMUM
  • Mode of Oscillation: FUNDAMENTAL
  • Equivalent Resistance Value in Ohms: 75.0 MAXIMUM
  • Drive Level Rating: 2.0 MILLIWATTS NOMINAL AND 1.6 MILLIWATTS MINIMUM AND 2.4 MILLIWATTS MAXIMUM
  • Style Designator: 7 PIN TUBE BASE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-088-2904, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5955-01-088-2904
Primary Part NumberSM-A-942087
Item NameCrystal Unit,quartz
FSC / FSG5955 / 59 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Body Width0.399 INCHES NOMINAL IN
Overall Thickness0.166 INCHES NOMINAL IN
Shunt Capacitance in Picofarads6.0 MAXIMUM
Mode of OscillationFUNDAMENTAL
Equivalent Resistance Value in Ohms75.0 MAXIMUM
Drive Level Rating2.0 MILLIWATTS NOMINAL AND 1.6 MILLIWATTS MINIMUM AND 2.4 MILLIWATTS MAXIMUM
Style Designator7 PIN TUBE BASE
Frequency Tolerance for Operating Temp in Percent-0.002 TO 0.002 AND -0.003 TO 0.003
Center to Center Distance Between Terminals0.192 INCHES NOMINAL IN
Body Length0.515 INCHES NOMINAL IN
Circuit ResonanceSERIES RESONANCE
Specified Frequency4.9158 MEGAHERTZ
Terminal Length0.223 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN
Operating Temp Range-55.0 TO 85.0 CELSIUS DEGC
Terminal Diameter0.038 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5305-00-025-765782161 INTERCHANGEABLE
Setscrew
Hamilton Sundstrand Corporation Dba Collins Aerospace
2530-00-278-2248 INTERCHANGEABLE
Wheel Assembly,pneumatic Tire
3520-00-359-7978 INTERCHANGEABLE
Plunger
2930-01-163-8153159490-3-3 INTERCHANGEABLE
Cooler,lubricating Oil,engine
Honeywell International Inc. Div Aerospace - Torrance
5325-01-460-5611 INTERCHANGEABLE
Ring,retaining
5220-01-525-990182161 INTERCHANGEABLE
Muzzle Break,alingment Guage
Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
82-16-1 Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA)
SM-A-942087 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
Related Parts
5305-00-025-7657INTERCHANGEABLE
SETSCREW
82161
2530-00-278-2248INTERCHANGEABLE
WHEEL ASSEMBLY,PNEUMATIC TIRE
3520-00-359-7978INTERCHANGEABLE
PLUNGER
2930-01-163-8153INTERCHANGEABLE
COOLER,LUBRICATING OIL,ENGINE
159490-3-3
5325-01-460-5611INTERCHANGEABLE
RING,RETAINING
5220-01-525-9901INTERCHANGEABLE
MUZZLE BREAK,ALINGMENT GUAGE
82161

Frequently Asked Questions

What is NSN 5955-01-088-2904?

NSN 5955-01-088-2904 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: active.

What are the part numbers for NSN 5955-01-088-2904?

NSN 5955-01-088-2904 has 2 cross-referenced part numbers: 82-16-1 (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled), SM-A-942087 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir).

What NSN replaces 5955-01-088-2904?

There are 6 known substitutes for 5955-01-088-2904: 5305-00-025-7657, 2530-00-278-2248, 3520-00-359-7978 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SM-A-942087?

Key specifications for SM-A-942087: Body Width: 0.399 INCHES NOMINAL IN; Overall Thickness: 0.166 INCHES NOMINAL IN; Shunt Capacitance in Picofarads: 6.0 MAXIMUM; Mode of Oscillation: FUNDAMENTAL. 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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