The Block,tackle, cataloged under National Stock Number 3940-00-609-8026, is classified within Federal Supply Class 3940 (No Item Name Available) of the Materials Handling Equipment group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 19 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3940-00-609-8026 |
| Primary Part Number | MIL-B-11837 |
| Item Name | Block,tackle |
| FSC / FSG | 3940 / 39 — No Item Name Available |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Sheave Quantity | 11 |
| Surface Treatment | ZINC OVERALLZINC OVERALL |
| Material | STEEL SHELLSTEEL SHELL |
| Material | STEEL SHEAVESTEEL SHEAVE |
| Maximum Tackle Diameter Accommodated | 0.625 INCHES0.625 INCHES IN |
| Style Designator | ROUND PATTERNROUND PATTERN |
| Load Rating | 10000.0 POUNDS MAXIMUM10000.0 POUNDS MAXIMUM LBS |
| Material | STEEL CENTER PINSTEEL CENTER PIN |
| Nondefinitive Spec/std Data | 2 TYPE2 TYPE |
| Material | COPPER ALLOY BEARINGCOPPER ALLOY BEARING |
| Bearing Type | PLAINPLAIN |
| Tackle Accommodated Type | WIRE ROPEWIRE ROPE |
| Antitoppling Device | NOT INCLUDEDNOT INCLUDED |
| Tackle Locking Device | NOT INCLUDEDNOT INCLUDED |
| Attachment Style | FLATTED STIFF SWIVEL HOOKFLATTED STIFF SWIVEL HOOK |
| Sheave Outside Diameter | 6.000 INCHES NOMINAL6.000 INCHES NOMINAL IN |
| Locking Style | DROP LINKDROP LINK |
| Center Pin Diameter | 1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN |
| Block Type | SNATCH |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MIL-B-11837 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 3940-00-609-8026 is a Block,tackle, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 3940 (No Item Name Available). Status: active.
NSN 3940-00-609-8026 has 1 cross-referenced part number: MIL-B-11837 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 6 known substitutes for 3940-00-609-8026: 3940-00-202-2196, 3940-00-202-2199, 3940-00-202-2200 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for MIL-B-11837: Sheave Quantity: 11; Surface Treatment: ZINC OVERALLZINC OVERALL; Material: STEEL SHELLSTEEL SHELL; Material: STEEL SHEAVESTEEL SHEAVE. 19 total characteristics are documented in the Federal Logistics Information System.