PartsTable TECHNICAL DATA SHEET
NSN 3940-01-728-8326Government record, cited

Block, Tackle3940-01-728-8326

NSN 3940-01-728-8326 · NIIN 017288326 · Part number 2004391
Heco Slings Corporation Dba Heco Slings Corp · FSC 3940 — Blocks, Tackle, Rigging, and Slings · FSG 39 — Materials Handling Equipment · CAGE 0RA00
Government record, cited
NSN 3940-01-728-8326 — this item is cataloged by the U.S. Government under National Stock Number 3940-01-728-8326. Manufacturer of record part number: 2004391.
Also searched as  3940-01-728-8326 · 3940017288326 · NIIN 017288326 · 01-728-8326 · FSC 3940 Blocks, Tackle, Rigging, and Slings · CAGE 0RA00 · 2004391 · 2011157
Nearby stock numbers  ·
Features
  • Block,tackle — FSC 3940
  • Load Rating: 33069.34 POUNDS MAXIMUM LBS
  • Type/model Designation: M15S10M
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Heco Slings Corporation Dba Heco Slings Corp
Identification
  • NSN: 3940-01-728-8326
  • NIIN: 017288326
  • FSC: 3940 — Blocks, Tackle, Rigging, and Slings
  • FSG: 39 — Materials Handling Equipment
  • Primary part number: 2004391
  • Manufacturer: Heco Slings Corporation Dba Heco Slings Corp
General Description

The Block,tackle, cataloged under National Stock Number 3940-01-728-8326, is classified within Federal Supply Class 3940 (Blocks, Tackle, Rigging, and Slings) of the Materials Handling Equipment group. The manufacturer of record is Heco Slings Corporation Dba Heco Slings Corp. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3940-01-728-8326
Primary Part Number2004391
Item NameBlock,tackle
FSC / FSG3940 / 39 — Blocks, Tackle, Rigging, and Slings
ManufacturerHeco Slings Corporation Dba Heco Slings Corp
StatusACTIVE
Load Rating33069.34 POUNDS MAXIMUM LBS
Type/model DesignationM15S10M
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
2004391 PRIMARY Heco Slings Corporation Dba Heco Slings Corp (USA)
2011157 The Crosby Group Llc Dba the Crosby Group (USA)
No interchangeability data on file.
Other items in FSC 3940 — Blocks, Tackle, Rigging, and Slings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3940-00-000-0169
3940-00-000-0169 · Item name not on file
3940-00-003-0706
BLOCK-WD12IN SNATCH
3940-00-004-3568
3940-00-004-3568 · Item name not on file
3940-00-004-9175
SLING,PALLET
3940-00-005-1366
3940-00-005-1366 · Item name not on file
3940-00-005-1367
3940-00-005-1367 · Item name not on file
3940-00-006-3256
3940-00-006-3256 · Item name not on file
3940-00-007-2801
ADAPTER,HOISTING

Frequently Asked Questions

What is NSN 3940-01-728-8326?

NSN 3940-01-728-8326 is a Block,tackle, manufactured by Heco Slings Corporation Dba Heco Slings Corp, classified under FSC 3940, Blocks, Tackle, Rigging, and Slings. Status: active.

What part numbers are listed for NSN 3940-01-728-8326?

NSN 3940-01-728-8326 has 2 manufacturer part numbers on file: 2004391 (Heco Slings Corporation Dba Heco Slings Corp), 2011157 (The Crosby Group Llc Dba the Crosby Group).

What are the specifications of 2004391?

Key specifications for 2004391: Load Rating: 33069.34 POUNDS MAXIMUM LBS; Weight: 200.0 POUNDS LBS; Special Features: OVERALL LENGTH 31.03 INCHES; NET LENGTH 24.84 INCHES; THICKNESS 8.53 INCHES; WIDTH 14.00 INCHES; HOOK THICKNESS 2.59 INCHES; HOOK WIDTH 1.94; STANDARD WIRELINE SIZES 7/16, 1/2, 9/16, 5/8 INCHES; PIN HOLE 1.66 INCHES IN; Part Name Assigned by Controlling Agency: BLOCK AND TACKLE. 2 specifications are documented in the U.S. Government catalog.

Is NSN 3940-01-728-8326 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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