The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-308-4013, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 10 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-00-308-4013 |
| Primary Part Number | 8018021 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Frequency Tolerance for Operating Temp in Percent | -0.004 TO 0.004 |
| Terminal Diameter | 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN |
| Terminal Length | 0.223 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN |
| Mode of Oscillation | FUNDAMENTAL |
| Overall Thickness | 0.340 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN |
| Style Designator | OVAL BODY, PIN TERMINALS |
| Body Length | 1.571 INCHES MINIMUM AND 1.591 INCHES MAXIMUM IN |
| Center to Center Distance Between Terminals | 0.476 INCHES MINIMUM AND 0.496 INCHES MAXIMUM IN |
| Operating Temp Range | -40.0 TO 70.0 CELSIUS DEGC |
| Specified Frequency | 30.000 KILOHERTZ |
| 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 |
|---|---|
| 8018021 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| GA51492-26KC | C/1 Advisory reference — outside the item-of-supply concept Lucent Technologies Inc Corporate Headquarters |
| GA51492-26KC | 5/9 Secondary reference Lucent Technologies Inc Dba Federal Marketing Group |
| GA51492-26KC | 3/9 Design control — primary reference American Telephone and Telegraph Co |
| GA51492-26KC | 5/9 Secondary reference At and T Corp |
NSN 5955-00-308-4013 is a Crystal Unit,quartz, manufactured by Us Army Aviation and Missile Command, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-00-308-4013 has 1 manufacturer part number on file: 8018021 (Us Army Aviation and Missile Command).
Key specifications for 8018021: Frequency Tolerance for Operating Temp in Percent: -0.004 TO 0.004; Terminal Diameter: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN; Terminal Length: 0.223 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN; Mode of Oscillation: FUNDAMENTAL. 10 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 5955-00-308-4013 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.