The Cover,water Bottle, cataloged under National Stock Number 4240-01-531-6863, 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 Outdoor Research, Llc. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4240-01-531-6863 |
| Primary Part Number | 256497 |
| Item Name | Cover,water Bottle |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | Outdoor Research, Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 4240-01-531-6863 is a Cover,water Bottle, manufactured by Outdoor Research, Llc, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-531-6863 has 2 manufacturer part numbers on file: 256497 (Outdoor Research, Llc), 256497 (Atlantic Diving Supply, Inc. Dba Ads).
1 possible match (shared part number, not a government interchangeability claim): 8465-01-531-7693. Verify interchangeability with system specifications before substitution.
Key specifications for 256497: Special Features: 1 LITER, QUIK-STIK ATTACHMENT SYSTEM 9PAT 36,279,804, MODULAR LIGHTWEIGHT LOAD CARRYING EQUIPMENT SYSTEM COMPLIANT STRAPS TO WEAVE THROUGH WEBBING OF PACK; MATERIAL - HYDROSEAL COATED SHELL FABRIC; CLOSURE METHOD - ZIPPER TOP AND 2 INCH VELCRO WEBBING FOR SECURE CLOSURE; SHOULDER STRAP INCLUDED IN; Part Name Assigned by Controlling Agency: SECURE GRIP WATER BOTTLE PARKA. 0 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.