The Block,tackle, cataloged under National Stock Number 3940-01-645-4226, 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 6 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3940-01-645-4226 |
| Primary Part Number | 07-99 |
| Item Name | Block,tackle |
| FSC / FSG | 3940 / 39 — No Item Name Available |
| Manufacturer | Schaefer Marine, Inc. |
| Status | ACTIVE |
| Center Pin Diameter | 161.0 MILLIMETERS NOMINAL MM |
| Sheave Outside Diameter | 60.0 MILLIMETERS NOMINAL MM |
| Maximum Tackle Diameter Accommodated | 0.750 INCHES IN |
| Material | ALUMINUM OVERALL |
| Style Designator | TROLLEY PATTERN |
| Material | PLASTIC SHEAVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 07-99 PRIMARY | Schaefer Marine, Inc. (USA) |
NSN 3940-01-645-4226 is a Block,tackle, manufactured by Schaefer Marine, Inc., classified under FSC 3940 (No Item Name Available). Status: active.
NSN 3940-01-645-4226 has 1 cross-referenced part number: 07-99 (Schaefer Marine, Inc.).
There are 4 known substitutes for 3940-01-645-4226: 5305-00-384-8189, 4820-00-690-0452, 6660-01-573-4081 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 07-99: Weight: 1.5 POUNDS LBS; Special Features: L 6.344 W 2.688 THK 1.812, MAX BOAT 18000LBS 38 FOOT W; Center Pin Diameter: 161.0 MILLIMETERS NOMINAL MM; End Item Identification: MK18 MOD2 UU. 9 total characteristics are documented in the Federal Logistics Information System.