The Stopper,bottle, cataloged under National Stock Number 6640-00-935-1108, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. The manufacturer of record is J & H Berge, Inc. Dba Lab Mart, the Div the Labmart. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 6640-00-935-1108 |
| Primary Part Number | 74-9400-52 |
| Item Name | Stopper,bottle |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Manufacturer | J & H Berge, Inc. Dba Lab Mart, the Div the Labmart |
| Status | ACTIVE |
| FSC Application Data | FOR LABORATORY USE |
| Bottom Diameter | 37.000 MILLIMETERS MM |
| Departure From Cited Document | AS MODIFIED BY MATERIAL |
| Nondefinitive Spec/std Data | 9 SIZE |
| Partly Through Hole Quantity | 3 |
| Top Diameter | 45.000 MILLIMETERS MM |
| Material | RUBBER |
| Hole Diameter | 5.000 MILLIMETERS NOMINAL 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 |
|---|---|
| 74-9400-52 PRIMARY | J & H Berge, Inc. Dba Lab Mart, the Div the Labmart (USA) |
| Reference | Meaning |
|---|---|
| MILS36662 | 4/1 Identification reference U.S. Government activity |
NSN 6640-00-935-1108 is a Stopper,bottle, manufactured by J & H Berge, Inc. Dba Lab Mart, the Div the Labmart, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
NSN 6640-00-935-1108 has 1 manufacturer part number on file: 74-9400-52 (J & H Berge, Inc. Dba Lab Mart, the Div the Labmart).
1 possible match (shared part number, not a government interchangeability claim): 6640-00-935-1122. Verify interchangeability with system specifications before substitution.
Key specifications for 74-9400-52: FSC Application Data: FOR LABORATORY USE; Bottom Diameter: 37.000 MILLIMETERS MM; Overall Length: 25.0 MILLIMETERS NOMINAL MM; Departure From Cited Document: AS MODIFIED BY MATERIAL. 8 specifications are 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.