The Bubble Vial Assembly, cataloged under National Stock Number 6675-00-177-4192, is classified within Federal Supply Class 6675 (Drafting, Surveying, and Mapping Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Chicago Steel Tape Co Inc Berger Instruments Co Inc. Government technical data includes 1 specification, 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6675-00-177-4192 |
| Primary Part Number | 1138-60 |
| Item Name | Bubble Vial Assembly |
| FSC / FSG | 6675 / 66 — Drafting, Surveying, and Mapping Instruments |
| Manufacturer | Chicago Steel Tape Co Inc Berger Instruments Co Inc |
| Status | ACTIVE |
| General Characteristics Item Description | BRASS AND BRONZE; 2.437 IN. O/A LG; SINGLE FACE; ADJUSTABLE; 2 MM DIV OF GRADUATIONS EQUAL 60 SECONDS MM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1138-60 PRIMARY | Chicago Steel Tape Co Inc Berger Instruments Co Inc (USA) |
NSN 6675-00-177-4192 is a Bubble Vial Assembly, manufactured by Chicago Steel Tape Co Inc Berger Instruments Co Inc, classified under FSC 6675, Drafting, Surveying, and Mapping Instruments. Status: active.
NSN 6675-00-177-4192 has 1 manufacturer part number on file: 1138-60 (Chicago Steel Tape Co Inc Berger Instruments Co Inc).
2 possible matches (shared part number, not a government interchangeability claim): 2630-00-554-6293, 2915-00-795-4054. Verify interchangeability with system specifications before substitution.
Key specifications for 1138-60: General Characteristics Item Description: BRASS AND BRONZE; 2.437 IN. O/A LG; SINGLE FACE; ADJUSTABLE; 2 MM DIV OF GRADUATIONS EQUAL 60 SECONDS MM. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.