The End,stuffing Box, cataloged under National Stock Number 4210-00-820-8635, is classified within Federal Supply Class 4210 (Firefighting Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Waterous Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4210-00-820-8635 |
| Primary Part Number | 70858-AL |
| Item Name | End,stuffing Box |
| FSC / FSG | 4210 / 42 — Firefighting Equipment |
| Manufacturer | Waterous Company |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM; 3.094 IN. O/A LG; 1.969 IN. O/A W; 0.562 IN. O/A H; IRREGULAR SHAPE IN |
| 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 |
|---|---|
| 70858-AL PRIMARY | Waterous Company (USA) |
| Reference | Meaning |
|---|---|
| 70858 | 5/9 Secondary reference Waterous Company |
NSN 4210-00-820-8635 is a End,stuffing Box, manufactured by Waterous Company, classified under FSC 4210, Firefighting Equipment. Status: active.
NSN 4210-00-820-8635 has 1 manufacturer part number on file: 70858-AL (Waterous Company).
3 possible matches (shared part number, not a government interchangeability claim): 6625-01-442-5473, 5365-01-533-8971, 5310-01-614-6547. Verify interchangeability with system specifications before substitution.
Key specifications for 70858-AL: General Characteristics Item Description: ALUMINUM; 3.094 IN. O/A LG; 1.969 IN. O/A W; 0.562 IN. O/A H; IRREGULAR SHAPE IN. 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.