The Sleeve, cataloged under National Stock Number 4210-00-535-2425, is classified within Federal Supply Class 4210 (Firefighting Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Tyco Fire Products Lp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Sleeve |
| FSC / FSG | 4210 — Firefighting Equipment (FSG 42) |
| Manufacturers | Tyco Fire Products Lp (CAGE 03670) |
| Parameter | Value |
|---|---|
| NSN | 4210-00-535-2425 |
| Primary Part Number | 10-03987 |
| Item Name | Sleeve |
| FSC / FSG | 4210 / 42 — Firefighting Equipment |
| Manufacturer | Tyco Fire Products Lp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| 10-03987 PRIMARY | Tyco Fire Products Lp (USA) |
| Reference | Meaning |
|---|---|
| S3987 | 5/9 Secondary reference Tyco Fire Products Lp |
NSN 4210-00-535-2425 is a Sleeve, manufactured by Tyco Fire Products Lp, classified under FSC 4210, Firefighting Equipment. Status: active.
NSN 4210-00-535-2425 has 1 manufacturer part number on file: 10-03987 (Tyco Fire Products Lp).
2 possible matches (shared part number, not a government interchangeability claim): 2835-01-178-3447, 3830-01-599-4585. Verify interchangeability with system specifications before substitution.
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.