PartsTable TECHNICAL DATA SHEET

NSN 3940-01-701-1954Government record, cited

Block, Tackle3940-01-701-1954

NSN 3940-01-701-1954 · NIIN 017011954 · Part number SL561R-20SE

Productos Forjados S.a.c. · FSC 3940 — Blocks, Tackle, Rigging, and Slings · FSG 39 — Materials Handling Equipment · CAGE A0CWY

Government record, cited

NSN 3940-01-701-1954 — this item is cataloged by the U.S. Government under National Stock Number 3940-01-701-1954. Manufacturer of record part number: SL561R-20SE.

Also searched as 3940-01-701-1954 · 3940017011954 · NIIN 017011954 · 01-701-1954 · FSC 3940 Blocks, Tackle, Rigging, and Slings · CAGE A0CWY · SL561R-20SE

Nearby stock numbers ← 3940-01-701-1354 Link, Hoisting · 3940-01-701-5208 Block, Tackle →

Features

Block,tackle — FSC 3940
1 manufacturer part number on file
Manufacturer of record: Productos Forjados S.a.c.

Identification

NSN: 3940-01-701-1954
NIIN: 017011954
FSC: 3940 — Blocks, Tackle, Rigging, and Slings
FSG: 39 — Materials Handling Equipment
Primary part number: SL561R-20SE
Manufacturer: Productos Forjados S.a.c.

General Description

The Block,tackle, cataloged under National Stock Number 3940-01-701-1954, is classified within Federal Supply Class 3940 (Blocks, Tackle, Rigging, and Slings) of the Materials Handling Equipment group. The manufacturer of record is Productos Forjados S.a.c.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	3940-01-701-1954
Primary Part Number	SL561R-20SE
Item Name	Block,tackle
FSC / FSG	3940 / 39 — Blocks, Tackle, Rigging, and Slings
Manufacturer	Productos Forjados S.a.c.
Status	ACTIVE

Lifecycle & Compliance

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

Cross-Reference Index

Part Number	Manufacturer
SL561R-20SE PRIMARY	Productos Forjados S.a.c.

Reference documents

Reference	Meaning
SL561R-20SE	3/9 Design control — primary reference Productos Forjados Sac

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 3940-01-701-1954?

NSN 3940-01-701-1954 is a Block,tackle, manufactured by Productos Forjados S.a.c., classified under FSC 3940, Blocks, Tackle, Rigging, and Slings. Status: active.

What part numbers are listed for NSN 3940-01-701-1954?

NSN 3940-01-701-1954 has 1 manufacturer part number on file: SL561R-20SE (Productos Forjados S.a.c.).

What are the specifications of SL561R-20SE?

Key specifications for SL561R-20SE: Part Name Assigned by Controlling Agency: BLOCK,CARGO HOIST. 0 specifications are documented in the U.S. Government catalog.

Is NSN 3940-01-701-1954 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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