The Sling,multiple Leg, cataloged under National Stock Number 3940-01-503-7019, is classified within Federal Supply Class 3940 (Blocks, Tackle, Rigging, and Slings) of the Materials Handling Equipment group. The manufacturer of record is I & I Sling, Llc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3940-01-503-7019 |
| Primary Part Number | B40503-2T |
| Item Name | Sling,multiple Leg |
| FSC / FSG | 3940 / 39 — Blocks, Tackle, Rigging, and Slings |
| Manufacturer | I & I Sling, Llc |
| Status | ACTIVE |
| Item for Which Bottom Terminal Is Designed | SLING DESIGNED AND QUAILIFIED TESTED TO LIFT THE HEAVYWEIGHT TORPEDO PARTS WASHER BASKET ONLY |
| Design Type | MULTIPLE LEG |
| Common Attachment Guide Rope | NOT INCLUDED |
| Leg Length and Quantity | 4 LEGS 36 INCHES LONG EACH IN |
| Attachment Style Dimensions | 2.750 INCHES MAXIMUM INSIDE WIDTH IN |
| Attachment Style Dimensions | 5.500 INCHES MAXIMUM BEARING SURFACE TO BEARING SURFACE DISTANCE IN |
| Sling Material Type | WIRE ROPE |
| Specification/standard Data | 05047-ASME-B30.9, CHAPTER 9.2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Attachment Type/location and Quantity | 1 ENLARGED COMMON LINK, STYLE 4 TOP TERMINAL |
| Attachment Type/location and Quantity | 4 HOIST HOOK, STYLE 16 BOTTOM ATTACHMENT |
| Cross Section Outside Diameter | 0.312 INCHES NOMINAL IN |
| Sling Spreader | NOT INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
NSN 3940-01-503-7019 is a Sling,multiple Leg, manufactured by I & I Sling, Llc, classified under FSC 3940, Blocks, Tackle, Rigging, and Slings. Status: active.
NSN 3940-01-503-7019 has 2 manufacturer part numbers on file: B40503-2T (I & I Sling, Llc), 7053969 (Cable Moore, Inc.).
Key specifications for B40503-2T: Item for Which Bottom Terminal Is Designed: SLING DESIGNED AND QUAILIFIED TESTED TO LIFT THE HEAVYWEIGHT TORPEDO PARTS WASHER BASKET ONLY; Design Type: MULTIPLE LEG; Common Attachment Guide Rope: NOT INCLUDED; Leg Length and Quantity: 4 LEGS 36 INCHES LONG EACH IN. 12 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.