The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-304-2022, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Precision Devices, Inc. Dba Precision Devices Inc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-304-2022 |
| Primary Part Number | HS03900XFAS20SX |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Precision Devices, Inc. Dba Precision Devices Inc |
| Status | ACTIVE |
| Terminal Diameter | 0.030 INCHES NOMINAL IN |
| Body Width | 0.555 INCHES MAXIMUM IN |
| Style Designator | OVAL BODY, PIN TERMINALS |
| Body Length | 0.60 INCHES MAXIMUM IN |
| Center to Center Distance Between Terminals | 0.275 INCHES NOMINAL IN |
| Operating Temp Range | -55.0 TO 85.0 CELSIUS DEGC |
| Specified Frequency | 3.9 MEGAHERTZ |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| HS03900XFAS20SX PRIMARY | Precision Devices, Inc. Dba Precision Devices Inc (USA) |
| Reference | Meaning |
|---|---|
| A3012956 | D/9 Drawing number reference only U.S. Government activity |
| A3012956-3 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5955-01-304-2022 is a Crystal Unit,quartz, manufactured by Precision Devices, Inc. Dba Precision Devices Inc, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-304-2022 has 1 manufacturer part number on file: HS03900XFAS20SX (Precision Devices, Inc. Dba Precision Devices Inc).
1 possible match (shared part number, not a government interchangeability claim): 5955-01-364-1667. Verify interchangeability with system specifications before substitution.
Key specifications for HS03900XFAS20SX: Terminal Diameter: 0.030 INCHES NOMINAL IN; Body Width: 0.555 INCHES MAXIMUM IN; Style Designator: OVAL BODY, PIN TERMINALS; Body Length: 0.60 INCHES MAXIMUM IN. 7 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5955-01-304-2022 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.