The Block,tackle, cataloged under National Stock Number 3940-01-510-6349, is classified within Federal Supply Class 3940 (Blocks, Tackle, Rigging, and Slings) of the Materials Handling 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3940-01-510-6349 |
| Primary Part Number | 423251 |
| Item Name | Block,tackle |
| FSC / FSG | 3940 / 39 — Blocks, Tackle, Rigging, and Slings |
| Manufacturer | Tyco Fire Products Lp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 423251 PRIMARY | Tyco Fire Products Lp (USA) |
NSN 3940-01-510-6349 is a Block,tackle, manufactured by Tyco Fire Products Lp, classified under FSC 3940, Blocks, Tackle, Rigging, and Slings. Status: active.
NSN 3940-01-510-6349 has 1 manufacturer part number on file: 423251 (Tyco Fire Products Lp).
Key specifications for 423251: Special Features: PULLEY ELBOW; CHANGES DIRECTION OF WIRE ROPE 90 DEGREES; NOT FOR TEMPERATURES OVER 700 DEG F; COMPRESSION END TYPE; MUST BE ORDERED IN QUANTITIES OF 50 DEGF. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.