The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-240-9530, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Nsgdatacom Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5955-01-240-9530 |
| Primary Part Number | 304855 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Nsgdatacom Inc |
| Status | ACTIVE |
| Frequency Tolerance for Operating Temp in Percent | -0.010 TO 0.010 |
| Terminal Diameter | 0.016 INCHES MINIMUM IN |
| Frequency Tolerance at Reference Temp in Percent | -0.005 TO 0.005 |
| Terminal Length | 1.500 INCHES NOMINAL IN |
| Mode of Oscillation | FUNDAMENTAL |
| Overall Thickness | 0.142 INCHES MINIMUM AND 0.149 INCHES MAXIMUM IN |
| Body Length | 0.500 INCHES MINIMUM AND 0.525 INCHES MAXIMUM IN |
| Load Capacitance in Picofarads | 32.0 NOMINAL |
| Circuit Resonance | ANTIRESONANCE |
| Operating Temp Range | +0.0 TO 70.0 CELSIUS DEGC |
| Specified Frequency | 8.386608 MEGAHERTZ |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 304855 PRIMARY | Nsgdatacom Inc (USA) |
| Reference | Meaning |
|---|---|
| SC251-1 | 7/2 Vendor item drawing reference Nsgdatacom Inc |
NSN 5955-01-240-9530 is a Crystal Unit,quartz, manufactured by Nsgdatacom Inc, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-240-9530 has 1 manufacturer part number on file: 304855 (Nsgdatacom Inc).
1 possible match (shared part number, not a government interchangeability claim): 5955-01-384-1890. Verify interchangeability with system specifications before substitution.
Key specifications for 304855: Frequency Tolerance for Operating Temp in Percent: -0.010 TO 0.010; Terminal Diameter: 0.016 INCHES MINIMUM IN; Frequency Tolerance at Reference Temp in Percent: -0.005 TO 0.005; Terminal Length: 1.500 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.
NSN 5955-01-240-9530 has DEMIL Code Q. 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.