The Stopper,bottle, cataloged under National Stock Number 6640-01-044-6349, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6640-01-044-6349 |
| Item Name | Stopper,bottle |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Status | ACTIVE |
| FSC Application Data | TEST KIT,FUEL CONTAMINATION |
| Through Hole Quantity | 1 |
| Bottom Diameter | 1.300 INCHES IN |
| Criticality Code Justification | ABHP |
| Rubber Stopper Type | PLAIN |
| Top Diameter | 1.610 INCHES IN |
| Material | RUBBER NEOPRENE |
| Hole Diameter | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| 14-141K | 5/9 Secondary reference Fisher Scientific Company L.l.c. |
| 74-930 | 5/9 Secondary reference Manostat Corp |
| 13220E0814 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6640-01-044-6349 is a Stopper,bottle, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6640-01-328-8491. Verify interchangeability with system specifications before substitution.
Key specifications for 6640-01-044-6349: FSC Application Data: TEST KIT,FUEL CONTAMINATION; Through Hole Quantity: 1; Bottom Diameter: 1.300 INCHES IN; Criticality Code Justification: ABHP. 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.