PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P53Block,tackle

Rock Exotica · NSN 3940-01-605-9205 · FSC 3940 · No Item Name Available
Verified by PartsTable
NSN 3940-01-605-9205 — this item is cataloged by the U.S. Government under National Stock Number 3940-01-605-9205. Primary manufacturer part number: P53.
Features
  • Block,tackle — FSC 3940
  • Style Designator: PULLEY PATTERN
  • Sheave Quantity: 1
  • Load Rating: 1798.0 POUNDS MAXIMUM LBS
  • 1 verified cross-reference
  • Primary manufacturer: Rock Exotica
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Block,tackle, cataloged under National Stock Number 3940-01-605-9205, is classified within Federal Supply Class 3940 (No Item Name Available) of the Materials Handling Equipment group. The primary manufacturer of record is Rock Exotica. Government technical data includes 3 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.

Technical Specifications
ParameterValue
NSN3940-01-605-9205
Primary Part NumberP53
Item NameBlock,tackle
FSC / FSG3940 / 39 — No Item Name Available
ManufacturerRock Exotica
StatusACTIVE
Style DesignatorPULLEY PATTERN
Sheave Quantity1
Load Rating1798.0 POUNDS MAXIMUM LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5120-00-288-6481P-101 INTERCHANGEABLE
Punch,drive Pin
Ngk Metals Corporation Dba N G K Berylco
6680-00-374-081982681 INTERCHANGEABLE
Head,tachometer-Bitumeter
Stewart-Warner Corporation
5330-00-959-9882 INTERCHANGEABLE
Gasket
3460-01-139-4947P-53 INTERCHANGEABLE
Pilot,counterbore
Wright Machine & Tool Co., Inc.
6660-01-698-674848VG68 INTERCHANGEABLE
Sensor,lightning Detection
Xtreme Research Corporation
Cross-Reference Index
Part NumberManufacturer
P53 PRIMARY Rock Exotica (USA)
Related Parts
5120-00-288-6481INTERCHANGEABLE
PUNCH,DRIVE PIN
P-101
6680-00-374-0819INTERCHANGEABLE
HEAD,TACHOMETER-BITUMETER
82681
5330-00-959-9882INTERCHANGEABLE
GASKET
3460-01-139-4947INTERCHANGEABLE
PILOT,COUNTERBORE
P-53
6660-01-698-6748INTERCHANGEABLE
SENSOR,LIGHTNING DETECTION
48VG68

Frequently Asked Questions

What is NSN 3940-01-605-9205?

NSN 3940-01-605-9205 is a Block,tackle, manufactured by Rock Exotica, classified under FSC 3940 (No Item Name Available). Status: active.

What are the part numbers for NSN 3940-01-605-9205?

NSN 3940-01-605-9205 has 1 cross-referenced part number: P53 (Rock Exotica).

What NSN replaces 3940-01-605-9205?

There are 5 known substitutes for 3940-01-605-9205: 5120-00-288-6481, 6680-00-374-0819, 5330-00-959-9882 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of P53?

Key specifications for P53: Style Designator: PULLEY PATTERN; Sheave Quantity: 1; Special Features: 36KN BREAKING STENGTH; 13MM MAXIMUM ROPE DIAMETER; 2 INCH SHEAVE DIAMETER MM; Load Rating: 1798.0 POUNDS MAXIMUM LBS. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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