The Block,tackle, cataloged under National Stock Number 3940-00-903-3314, is classified within Federal Supply Class 3940 (No Item Name Available) of the Materials Handling Equipment group. The primary manufacturer of record is Marathonnorco Aerospace, Inc.. Government technical data includes 15 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3940-00-903-3314 |
| Primary Part Number | A250 |
| Item Name | Block,tackle |
| FSC / FSG | 3940 / 39 — No Item Name Available |
| Manufacturer | Marathonnorco Aerospace, Inc. |
| Status | ACTIVE |
| Bearing Type | PLAIN |
| Style Designator | HALF-STRAP PATTERN |
| Load Rating | 5000.0 POUNDS MAXIMUM LBS |
| Sheave Outside Diameter | 5.625 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING CENTER PIN |
| Material | ALUMINUM SHELL |
| Material | STEEL SHEAVE |
| Center Pin Diameter | 0.250 INCHES NOMINAL IN |
| Sheave Quantity | 1 |
| Tackle Locking Device | NOT INCLUDED |
| Antitoppling Device | NOT INCLUDED |
| Maximum Tackle Diameter Accommodated | 0.250 INCHES IN |
| Locking Style | SAFETY W/LATCH PIN |
| Tackle Accommodated Type | WIRE ROPE |
| Block Type | SNATCH |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A250 PRIMARY | Marathonnorco Aerospace, Inc. (USA) |
NSN 3940-00-903-3314 is a Block,tackle, manufactured by Marathonnorco Aerospace, Inc., classified under FSC 3940 (No Item Name Available). Status: active.
NSN 3940-00-903-3314 has 1 cross-referenced part number: A250 (Marathonnorco Aerospace, Inc.).
There are 8 known substitutes for 3940-00-903-3314: 4730-00-010-2776, 5120-00-112-9907, 4730-00-116-0477 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for A250: Bearing Type: PLAIN; Style Designator: HALF-STRAP PATTERN; Load Rating: 5000.0 POUNDS MAXIMUM LBS; Sheave Outside Diameter: 5.625 INCHES NOMINAL IN. 15 total characteristics are documented in the Federal Logistics Information System.