The Block,tackle, cataloged under National Stock Number 3940-01-548-9121, is classified within Federal Supply Class 3940 (No Item Name Available) of the Materials Handling Equipment group. The primary manufacturer of record is Schaefer Marine, Inc.. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3940-01-548-9121 |
| Primary Part Number | 02-03 |
| Item Name | Block,tackle |
| FSC / FSG | 3940 / 39 — No Item Name Available |
| Manufacturer | Schaefer Marine, Inc. |
| Status | ACTIVE |
| Attachment Style | SIDE SHACKLE IN LINK |
| Sheave Outside Diameter | 1.063 INCHES NOMINAL IN |
| Style Designator | OVAL PATTERN |
| Sheave Quantity | 1 |
| Shell Length | 3.469 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 02-03 PRIMARY | Schaefer Marine, Inc. (USA) |
NSN 3940-01-548-9121 is a Block,tackle, manufactured by Schaefer Marine, Inc., classified under FSC 3940 (No Item Name Available). Status: active.
NSN 3940-01-548-9121 has 1 cross-referenced part number: 02-03 (Schaefer Marine, Inc.).
There are 5 known substitutes for 3940-01-548-9121: 5905-00-087-8379, 3110-00-156-7513, 3010-01-145-1759 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 02-03: Attachment Style: SIDE SHACKLE IN LINK; Sheave Outside Diameter: 1.063 INCHES NOMINAL IN; End Item Identification: BOAT, WORK 40FT 40WB0501 THROUGH 40WB0510 FT; Style Designator: OVAL PATTERN. 7 total characteristics are documented in the Federal Logistics Information System.