The Tube,drinking, cataloged under National Stock Number 4240-01-286-1841, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Mine Safety Appliances Company. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4240-01-286-1841 |
| Primary Part Number | 304750 |
| Item Name | Tube,drinking |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | Mine Safety Appliances Company |
| Status | ACTIVE |
| Special Test Features | NO LEAKAGE WHEN 3.0 IN OF POSITIVE PRESSURE IS APPLIED IN |
| Criticality Code Justification | SPCL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 304750 PRIMARY | Mine Safety Appliances Company (USA) |
| Reference | Meaning |
|---|---|
| 88115054 | 1/2 Source control — Government-approved source U.S. Government activity |
| SK-082 | 5/9 Secondary reference Louis J Hansen Enterprises Inc |
| 864-66 | 5/9 Secondary reference Avox Systems Inc Dba Avox Systems Inc |
| 304750 | 5/9 Secondary reference Mine Safety Appliances Co |
NSN 4240-01-286-1841 is a Tube,drinking, manufactured by Mine Safety Appliances Company, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-286-1841 has 1 manufacturer part number on file: 304750 (Mine Safety Appliances Company).
1 possible match (shared part number, not a government interchangeability claim): 6510-01-663-2197. Verify interchangeability with system specifications before substitution.
Key specifications for 304750: Special Test Features: NO LEAKAGE WHEN 3.0 IN OF POSITIVE PRESSURE IS APPLIED IN; Criticality Code Justification: SPCL; Special Features: C/O ONE TUBE,DRINKING,CAGEC 07878 P/N 88115055; COUPLING HALF,QUICK DISCONNECT,CAGEC 07878 P/N 88115056; PRIMER,ADHESIVE,AND METHYL ETHYL KETONE; CONNECTS TO PLUNGER,CAGEC 07878 P/N 88115059; NHA IS CAGEC 07878 P/N 88115004-1,88115042-2,88115004-1; COUPLING ASSEMBLY SHALL HAVE A MIN. AIR FLOW OF 2.0 L PER MINUTE; END ITEMS ARECHEMICAL BIOLOGICAL MASKS,NSN 4240-01-175-3443,4240-01-175-3444,4240-01-175-3445,4240-01-284-3615,4240-01-284-3616 AND 4240-01-284-3617. 2 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.
NSN 4240-01-286-1841 has DEMIL Code D. 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.