The Lanyard,safety,industrial, cataloged under National Stock Number 4240-01-645-5558, 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 Bishop Lifting Products Inc Dba Tuffy Products. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-645-5558 |
| Primary Part Number | 4026AS640-1 |
| Item Name | Lanyard,safety,industrial |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | Bishop Lifting Products Inc Dba Tuffy Products |
| Status | ACTIVE |
| Nonsparking Hardware | INCLUDED |
| Accessory Components and Quantity | IDENTIFICATION PLATE, 402640-2/30003; SHOCK ABSORBING LANYARD, 4026AS641-1/30003; LOCK ASSEMBLY, IL2940-1/08844; WIRE ROPE SWAGE SLEEVE, MS51844-62/80205; WIRE ROPE, M83420/4-001/81349 |
| Material | STEEL CORROSION RESISTING AND PLASTIC POLYESTER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 4026AS640-1 PRIMARY | Bishop Lifting Products Inc Dba Tuffy Products (USA) |
| Reference | Meaning |
|---|---|
| 4026AS640-1 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 4240-01-645-5558 is a Lanyard,safety,industrial, manufactured by Bishop Lifting Products Inc Dba Tuffy Products, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-645-5558 has 1 manufacturer part number on file: 4026AS640-1 (Bishop Lifting Products Inc Dba Tuffy Products).
Key specifications for 4026AS640-1: Nonsparking Hardware: INCLUDED; Accessory Components and Quantity: IDENTIFICATION PLATE, 402640-2/30003; SHOCK ABSORBING LANYARD, 4026AS641-1/30003; LOCK ASSEMBLY, IL2940-1/08844; WIRE ROPE SWAGE SLEEVE, MS51844-62/80205; WIRE ROPE, M83420/4-001/81349; Special Features: CRITICAL SAFETY ITEM, HAZARD SEVERITY: CRITICAL CATEGORY 11 - LOW RISK; UPPER AREAS OF AIRCRAFT REQUIRE USE OF SOME SAFETY RESTRAINING DEVICE TO PREVENT INJURY IF MAINTENANCE PERSONNEL SHOULD SLIP AND FALL; Part Name Assigned by Controlling Agency: PERSONAL SAFETY LANYARD. 3 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.