The Vibration Pick-Up, cataloged under National Stock Number 4920-00-451-2960, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Cec Vibration Products, Llc Dba Cec Vibrations Products. Government technical data includes 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4920-00-451-2960 |
| Primary Part Number | 4-128-0001 |
| Item Name | Vibration Pick-Up |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Cec Vibration Products, Llc Dba Cec Vibrations Products |
| Status | ACTIVE |
| General Characteristics Item Description | DESIGNED FOR TURBINE APPLICATIONS;TOP MOUNTED CONNECTOR;SENSITIVITY 60 = +/-2 MV/IN.SCC.;DYNAMIC RANGE:FREQUENCY 45 HZ TO 1500 HZ,AMPLITUDE 0.10 IN.,ACCELERATION 0.5 TO 50 G'S PEAK(VERTICAL POSITION);FREQUENCY RESPONSE +/- 6 OF MEAN SENSITIVITY;TEMP RANGE -65 DEG F,TO +700 DEG F;WEIGHT 2.0 OZ;APPLICATIONS - ACFT ENG,INDUSTRIAL TURBINES,TEST CELLS G |
| Precious Material | GOLD |
| Precious Material and Weight | 0.021 GOLD OUNCES, TROY |
| Precious Material and Location | INTERNAL SURFACES GOLD |
| Type/model Designation | 4-128 |
| 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 |
|---|---|
| 4-128-0001 PRIMARY | Cec Vibration Products, Llc Dba Cec Vibrations Products (USA) |
| Reference | Meaning |
|---|---|
| LTCT21754-01 | 1/2 Source control — Government-approved source U.S. Government activity |
| LTCT21754-01 | 5/9 Secondary reference U.S. Government activity |
| 4-128-0001 | 5/9 Secondary reference Sypris Electronics, Llc |
NSN 4920-00-451-2960 is a Vibration Pick-Up, manufactured by Cec Vibration Products, Llc Dba Cec Vibrations Products, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-00-451-2960 has 1 manufacturer part number on file: 4-128-0001 (Cec Vibration Products, Llc Dba Cec Vibrations Products).
1 possible match (shared part number, not a government interchangeability claim): 5935-00-726-7536. Verify interchangeability with system specifications before substitution.
Key specifications for 4-128-0001: Overall Height: 1.480 INCHES NOMINAL IN; General Characteristics Item Description: DESIGNED FOR TURBINE APPLICATIONS;TOP MOUNTED CONNECTOR;SENSITIVITY 60 = +/-2 MV/IN.SCC.;DYNAMIC RANGE:FREQUENCY 45 HZ TO 1500 HZ,AMPLITUDE 0.10 IN.,ACCELERATION 0.5 TO 50 G'S PEAK(VERTICAL POSITION);FREQUENCY RESPONSE +/- 6 OF MEAN SENSITIVITY;TEMP RANGE -65 DEG F,TO +700 DEG F;WEIGHT 2.0 OZ;APPLICATIONS - ACFT ENG,INDUSTRIAL TURBINES,TEST CELLS G; Precious Material: GOLD; Precious Material and Weight: 0.021 GOLD OUNCES, TROY. 5 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 4920-00-451-2960 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.