The Covermeter,concrete, cataloged under National Stock Number 6635-01-573-5660, is classified within Federal Supply Class 6635 (Physical Properties Testing and Inspection) of the Instruments and Laboratory Equipment group. The manufacturer of record is Elcometer Inc. Government technical data includes 2 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6635-01-573-5660 |
| Primary Part Number | W331B-3 |
| Item Name | Covermeter,concrete |
| FSC / FSG | 6635 / 66 — Physical Properties Testing and Inspection |
| Manufacturer | Elcometer Inc |
| Status | ACTIVE |
| Unpackaged Unit Weight | 3.400 POUNDS LBS |
| Type/model Designation | ELCOMETER 3312 MODEL B |
| 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 |
|---|---|
| W331B-3 PRIMARY | Elcometer Inc (USA) |
NSN 6635-01-573-5660 is a Covermeter,concrete, manufactured by Elcometer Inc, classified under FSC 6635, Physical Properties Testing and Inspection. Status: active.
NSN 6635-01-573-5660 has 1 manufacturer part number on file: W331B-3 (Elcometer Inc).
Key specifications for W331B-3: Overall Height: 4.900 INCHES NOMINAL IN; Overall Length: 9.000 INCHES NOMINAL IN; Overall Width: 5.100 INCHES NOMINAL IN; Special Features: MEASURES THE THICKNESS OF CONCRETE COVER AND STEEL REINFORCEMENT BARS AND METAL PIPES; IDENTIFIES LOCATION, ORIENTATION, DEPTH, AND DIAMETER OF REBAR AND CORROSION; 110V AC; WITH STANDARD SEARCH HEAD; WITH 7.4 LITHIUM ION RECHARGEABLE BATTERY PACK; PROVIDES UP TO 32 HRS. OF CONTINOUS USE V. 2 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.