The Block,tackle, cataloged under National Stock Number 3940-00-272-9307, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3940-00-272-9307 |
| Primary Part Number | MILB11837 |
| 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 | CANCELLED |
| Material | COPPER ALLOY BEARING |
| Material | STEEL SHEAVE |
| Bearing Type | PLAIN |
| Unable to Decode | UNABLE TO DECODE |
| Block Type | SNATCH |
| Locking Style | DROP LINK |
| Attachment Style | DRILLED SWIVEL EYE AND SHACKLE |
| Center Pin Diameter | 1.250 INCHES NOMINAL IN |
| Tackle Locking Device | NOT INCLUDED |
| Maximum Tackle Diameter Accommodated | 0.625 INCHES IN |
| Sheave Quantity | 1 |
| Tackle Accommodated Type | WIRE ROPE |
| Antitoppling Device | NOT INCLUDED |
| Sheave Outside Diameter | 6.000 INCHES NOMINAL IN |
| Material | STEEL CENTER PIN |
| Nondefinitive Spec/std Data | 2 TYPE |
| Load Rating | 10000.0 POUNDS MAXIMUM LBS |
| Material | STEEL SHELL |
| Style Designator | ROUND PATTERN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 3940-00-272-9307 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: cancelled.
NSN 3940-00-272-9307 has 2 cross-referenced part numbers: MILB11837 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 2526 (Brewer-Titchner Corp Sub Joslyn Mfg and Supply Co).
There are 12 known substitutes for 3940-00-272-9307: 5365-00-160-0108, 3940-00-202-2196, 3940-00-202-2199 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MILB11837: Material: COPPER ALLOY BEARING; Material: STEEL SHEAVE; Bearing Type: PLAIN; Unable to Decode: UNABLE TO DECODE. 19 total characteristics are documented in the Federal Logistics Information System.
NSN 3940-00-272-9307 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.