PartsTable TECHNICAL DATA SHEET

NSN 3940-01-655-8111Government record, cited

Hook Block Assembly3940-01-655-8111

NSN 3940-01-655-8111 · NIIN 016558111 · Part number M25S24M

The Crosby Group Llc Dba the Crosby Group · FSC 3940 — Blocks, Tackle, Rigging, and Slings · FSG 39 — Materials Handling Equipment · CAGE 75535

Government record, cited

NSN 3940-01-655-8111 — this item is cataloged by the U.S. Government under National Stock Number 3940-01-655-8111. Manufacturer of record part number: M25S24M.

Also searched as 3940-01-655-8111 · 3940016558111 · NIIN 016558111 · 01-655-8111 · FSC 3940 Blocks, Tackle, Rigging, and Slings · CAGE 75535 · M25S24M · 2011465

Nearby stock numbers ← 3940-01-655-7713 Block, Tackle · 3940-01-655-8635 Sling, Multiple Leg →

Features

Hook Block Assembly — FSC 3940
2 manufacturer part numbers on file
Manufacturer of record: The Crosby Group Llc Dba the Crosby Group

Identification

NSN: 3940-01-655-8111
NIIN: 016558111
FSC: 3940 — Blocks, Tackle, Rigging, and Slings
FSG: 39 — Materials Handling Equipment
Primary part number: M25S24M
Manufacturer: The Crosby Group Llc Dba the Crosby Group

General Description

The Hook Block Assembly, cataloged under National Stock Number 3940-01-655-8111, is classified within Federal Supply Class 3940 (Blocks, Tackle, Rigging, and Slings) of the Materials Handling Equipment group. The manufacturer of record is The Crosby Group Llc Dba the Crosby Group. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Hook Block Assembly
FSC / FSG	3940 — Blocks, Tackle, Rigging, and Slings (FSG 39)
Manufacturers	The Crosby Group Llc Dba the Crosby Group (CAGE 75535)

Technical Specifications

Parameter	Value
NSN	3940-01-655-8111
Primary Part Number	M25S24M
Item Name	Hook Block Assembly
FSC / FSG	3940 / 39 — Blocks, Tackle, Rigging, and Slings
Manufacturer	The Crosby Group Llc Dba the Crosby Group
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

Part Number	Manufacturer
M25S24M PRIMARY	The Crosby Group Llc Dba the Crosby Group (USA)
2011465	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 3940-01-655-8111?

NSN 3940-01-655-8111 is a Hook Block Assembly, manufactured by The Crosby Group Llc Dba the Crosby Group, classified under FSC 3940, Blocks, Tackle, Rigging, and Slings. Status: active.

What part numbers are listed for NSN 3940-01-655-8111?

NSN 3940-01-655-8111 has 2 manufacturer part numbers on file: M25S24M (The Crosby Group Llc Dba the Crosby Group), 2011465 (The Crosby Group Llc Dba the Crosby Group).

Is NSN 3940-01-655-8111 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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