The Retainer,crystal Holder, cataloged under National Stock Number 5955-00-372-4041, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-00-372-4041 |
| Primary Part Number | U51-7630G1 |
| Item Name | Retainer,crystal Holder |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 THREADED STUD(S) SINGLE MOUNTING FACILITY |
| Nominal Thread Size | 0.112 INCHES SINGLE MOUNTING FACILITY IN |
| Surface Treatment | PASSIVATE |
| Thread Class | ZA SINGLE MOUNTING FACILITY |
| Thread Quantity Per Inch | 40 SINGLE MOUNTING FACILITY |
| Material | STEEL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY |
| 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 |
|---|---|
| U51-7630G1 | Raytheon Company (USA) |
| U51-7630G1 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| U51-7630G1 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 5955-00-372-4041 is a Retainer,crystal Holder, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-00-372-4041 has 2 manufacturer part numbers on file: U51-7630G1 (Raytheon Company), U51-7630G1 (Raytheon Company Dba Raytheon Co).
Key specifications for U51-7630G1: Mounting Facility Type and Quantity: 1 THREADED STUD(S) SINGLE MOUNTING FACILITY; Nominal Thread Size: 0.112 INCHES SINGLE MOUNTING FACILITY IN; Surface Treatment: PASSIVATE; Thread Class: ZA SINGLE MOUNTING FACILITY. 7 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.