The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-667-4643, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is General Dynamics Mission Systems, Inc. Dba Gdms. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-00-667-4643 |
| Primary Part Number | 948R152 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | General Dynamics Mission Systems, Inc. Dba Gdms |
| Status | ACTIVE |
| Controlled Reference Temp | 85.0 CELSIUS DEGC |
| Frequency Tolerance for Operating Temp in Percent | -0.002 TO 0.002 AND -0.004 TO 0.004 |
| Terminal Diameter | 0.050 INCHES NOMINAL IN |
| Terminal Length | 0.238 INCHES NOMINAL IN |
| Mode of Oscillation | FUNDAMENTAL |
| Overall Thickness | 0.345 INCHES NOMINAL IN |
| Style Designator | TUBE BODY, WIRE LEADS |
| Body Length | 0.748 INCHES NOMINAL IN |
| Center to Center Distance Between Terminals | 0.486 INCHES NOMINAL IN |
| Operating Temp Range | +80.0 TO 90.0 CELSIUS DEGC |
| Specified Frequency | 11.500 MEGAHERTZ |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 948R152 PRIMARY | General Dynamics Mission Systems, Inc. Dba Gdms (USA) |
| Reference | Meaning |
|---|---|
| 2396-280 | 5/9 Secondary reference O'brien Gear Co |
| 948R152 | 5/9 Secondary reference U.S. Government activity |
NSN 5955-00-667-4643 is a Crystal Unit,quartz, manufactured by General Dynamics Mission Systems, Inc. Dba Gdms, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-00-667-4643 has 1 manufacturer part number on file: 948R152 (General Dynamics Mission Systems, Inc. Dba Gdms).
Key specifications for 948R152: Controlled Reference Temp: 85.0 CELSIUS DEGC; Frequency Tolerance for Operating Temp in Percent: -0.002 TO 0.002 AND -0.004 TO 0.004; Terminal Diameter: 0.050 INCHES NOMINAL IN; Terminal Length: 0.238 INCHES NOMINAL IN. 11 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.
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.