PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2630Block and Tackle

Harken Inc · NSN 3940-01-528-0522 · FSC 3940 · No Item Name Available
Verified by PartsTable
NSN 3940-01-528-0522 — this item is cataloged by the U.S. Government under National Stock Number 3940-01-528-0522. Primary manufacturer part number: 2630.
Features
  • Block and Tackle — FSC 3940
  • 3 verified cross-references
  • Primary manufacturer: Harken Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Block and Tackle, cataloged under National Stock Number 3940-01-528-0522, is classified within Federal Supply Class 3940 (No Item Name Available) of the Materials Handling Equipment group. The primary manufacturer of record is Harken Inc. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBlock and Tackle
FSC / FSG3940 — No Item Name Available (FSG 39)
ManufacturersW1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center (CAGE 81337); Harken Inc (CAGE 0LEM6)
Technical Specifications
ParameterValue
NSN3940-01-528-0522
Primary Part Number2630
Item NameBlock and Tackle
FSC / FSG3940 / 39 — No Item Name Available
ManufacturerHarken Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
2810-00-118-72862630 INTERCHANGEABLE
Liner,bearing
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
2990-00-609-51212630 INTERCHANGEABLE
Tube Assy
Stewart & Stevenson Power Products Llc
5935-00-646-6342 INTERCHANGEABLE
Backshell,electrical Connector
6625-00-761-6670 INTERCHANGEABLE
Lead,test
5975-00-937-90062630 INTERCHANGEABLE
Connector
Carlisle & Finch Co
5905-01-099-44912630 INTERCHANGEABLE
Resistor,fixed,wire Wound
Crown Audio, Inc. Dba Crown International
6510-01-173-24112630 INTERCHANGEABLE
Pad,breast
Cardinal Health 200, Llc
5331-01-276-0761199-24-03APC2 INTERCHANGEABLE
O-Ring
Leslie Controls, Inc. Dba Leslie Controls Inc
6750-01-380-1199 INTERCHANGEABLE
Paper,photographic
4810-01-460-04162630-000 INTERCHANGEABLE
Plunger,override
Graham-White Manufacturing Co Div Graham-White Manufacturing Co. Inc.
Cross-Reference Index
Part NumberManufacturer
17-1-5816-1 W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center (USA)
2630 PRIMARY Harken Inc (USA)
196 Harken Inc (USA)
Related Parts
2810-00-118-7286INTERCHANGEABLE
LINER,BEARING
2630
2990-00-609-5121INTERCHANGEABLE
TUBE ASSY
2630
5935-00-646-6342INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
6625-00-761-6670INTERCHANGEABLE
LEAD,TEST
5975-00-937-9006INTERCHANGEABLE
CONNECTOR
2630
5905-01-099-4491INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
2630
6510-01-173-2411INTERCHANGEABLE
PAD,BREAST
2630
5331-01-276-0761INTERCHANGEABLE
O-RING
199-24-03APC2
6750-01-380-1199INTERCHANGEABLE
PAPER,PHOTOGRAPHIC
4810-01-460-0416INTERCHANGEABLE
PLUNGER,OVERRIDE
2630-000
6515-01-590-8613INTERCHANGEABLE
LICENSE,SOFTWARE,PULSE OXIMETER
2630

Frequently Asked Questions

What is NSN 3940-01-528-0522?

NSN 3940-01-528-0522 is a Block and Tackle, manufactured by Harken Inc, classified under FSC 3940 (No Item Name Available). Status: active.

What are the part numbers for NSN 3940-01-528-0522?

NSN 3940-01-528-0522 has 3 cross-referenced part numbers: 17-1-5816-1 (W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center), 2630 (Harken Inc), 196 (Harken Inc).

What NSN replaces 3940-01-528-0522?

There are 11 known substitutes for 3940-01-528-0522: 2810-00-118-7286, 2990-00-609-5121, 5935-00-646-6342 and 8 more. Verify interchangeability with system specifications before substitution.

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