The Oscillator,crystal Controlled, cataloged under National Stock Number 5955-01-170-6537, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Greenray Industries, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Oscillator,crystal Controlled |
| FSC / FSG | 5955 — Oscillators and Piezoelectric Crystals (FSG 59) |
| Manufacturers | Greenray Industries, Inc. (CAGE 16681) |
| Parameter | Value |
|---|---|
| NSN | 5955-01-170-6537 |
| Primary Part Number | T-667 |
| Item Name | Oscillator,crystal Controlled |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Greenray Industries, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| T-667 PRIMARY | Greenray Industries, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 93089-1 | 7/2 Vendor item drawing reference Drs Advanced Isr, Llc |
NSN 5955-01-170-6537 is a Oscillator,crystal Controlled, manufactured by Greenray Industries, Inc., classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-170-6537 has 1 manufacturer part number on file: T-667 (Greenray Industries, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5999-01-422-4856. Verify interchangeability with system specifications before substitution.
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.