The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-126-2928, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Honeywell International Inc. Dba Honeywell International. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5955-01-126-2928 |
| Primary Part Number | 4033631 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Honeywell International Inc. Dba Honeywell International |
| Status | ACTIVE |
| Frequency Tolerance for Operating Temp in Percent | -0.0005 TO 0.0005 |
| Terminal Diameter | 0.0175 INCHES MINIMUM AND 0.0205 INCHES MAXIMUM IN |
| Overall Diameter | 0.383 INCHES MAXIMUM IN |
| Terminal Length | 0.500 INCHES MINIMUM IN |
| Mode of Oscillation | THIRD OVERTONE |
| Equivalent Resistance Value in Ohms | 20.0 MAXIMUM |
| Style Designator | HAT TYPE, 3 WIRE LEADS |
| Diameter | 0.305 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN |
| Drive Level Rating | 1.6 MILLIWATTS MINIMUM AND 2.4 MILLIWATTS MAXIMUM |
| Center to Center Distance Between Terminals | 0.200 INCHES NOMINAL IN |
| Circuit Resonance | SERIES RESONANCE |
| Shunt Capacitance in Picofarads | 7.0 MAXIMUM |
| Operating Temp Range | -55.0 TO 105.0 CELSIUS DEGC |
| Specified Frequency | 32.0013 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 |
|---|---|
| 4033631 PRIMARY | Honeywell International Inc. Dba Honeywell International (USA) |
| 4033631"A" | Bliley Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| C17611 | 5/9 Secondary reference U.S. Government activity |
| 10132995 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 04-17611-001A | 5/2 Secondary reference U.S. Government activity |
NSN 5955-01-126-2928 is a Crystal Unit,quartz, manufactured by Honeywell International Inc. Dba Honeywell International, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-126-2928 has 2 manufacturer part numbers on file: 4033631 (Honeywell International Inc. Dba Honeywell International), 4033631"A" (Bliley Technologies Inc).
1 possible match (shared part number, not a government interchangeability claim): 2510-01-138-7196. Verify interchangeability with system specifications before substitution.
Key specifications for 4033631: Frequency Tolerance for Operating Temp in Percent: -0.0005 TO 0.0005; Terminal Diameter: 0.0175 INCHES MINIMUM AND 0.0205 INCHES MAXIMUM IN; Overall Diameter: 0.383 INCHES MAXIMUM IN; Terminal Length: 0.500 INCHES MINIMUM IN. 14 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 5955-01-126-2928 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.