PartsTable TECHNICAL DATA SHEET

NSN 3940-01-280-4663Government record, cited

Block Assembly3940-01-280-4663

NSN 3940-01-280-4663 · NIIN 012804663

FSC 3940 — Blocks, Tackle, Rigging, and Slings · FSG 39 — Materials Handling Equipment

Government record, cited

Also searched as 3940-01-280-4663 · 3940012804663 · NIIN 012804663 · 01-280-4663 · FSC 3940 Blocks, Tackle, Rigging, and Slings

Nearby stock numbers ← 3940-01-280-1762 Sling, Multiple Leg · 3940-01-280-4665 →

Features

Block Assembly — FSC 3940
General Characteristics Item Description: C/O 1 EA YOKE; 2 EA PLATE; 1 EA SHAFT; 1 EA SLEEVE; 1 EA SPACER; 1 EA QUICK RELEASE PIN; 2 EA FLAT WASHER; 1 EA BEARING; 1 EA SHEAVE; 1 EA SWIVEL PLATE ASSEMBLY; 1 EA PLATE AND YOKE ASSEMBLY; 1 EA SELF LOCKING SET SCREW; 1 EA SELF LOCKING NUT; 1 EA RETAINING RING; 1 EA HEX. HD CAP SCREW; 2 EA FLAT WASHER AND 1 EA SELF LOCKING NUT; 0.125 MICROIN FINISH UNLESS OTHERWISE SPECIFIED

Identification

NSN: 3940-01-280-4663
NIIN: 012804663
FSC: 3940 — Blocks, Tackle, Rigging, and Slings
FSG: 39 — Materials Handling Equipment

General Description

The Block Assembly, cataloged under National Stock Number 3940-01-280-4663, is classified within Federal Supply Class 3940 (Blocks, Tackle, Rigging, and Slings) of the Materials Handling Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	3940-01-280-4663
Item Name	Block Assembly
FSC / FSG	3940 / 39 — Blocks, Tackle, Rigging, and Slings
Status	ACTIVE
General Characteristics Item Description	C/O 1 EA YOKE; 2 EA PLATE; 1 EA SHAFT; 1 EA SLEEVE; 1 EA SPACER; 1 EA QUICK RELEASE PIN; 2 EA FLAT WASHER; 1 EA BEARING; 1 EA SHEAVE; 1 EA SWIVEL PLATE ASSEMBLY; 1 EA PLATE AND YOKE ASSEMBLY; 1 EA SELF LOCKING SET SCREW; 1 EA SELF LOCKING NUT; 1 EA RETAINING RING; 1 EA HEX. HD CAP SCREW; 2 EA FLAT WASHER AND 1 EA SELF LOCKING NUT; 0.125 MICROIN FINISH UNLESS OTHERWISE SPECIFIED

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

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
001-001D	3/9 Design control — primary reference Hudson Machine Tool Inc

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 3940-01-280-4663?

NSN 3940-01-280-4663 is a Block Assembly, classified under FSC 3940, Blocks, Tackle, Rigging, and Slings. Status: active.

What are the specifications of 3940-01-280-4663?

Key specifications for 3940-01-280-4663: General Characteristics Item Description: C/O 1 EA YOKE; 2 EA PLATE; 1 EA SHAFT; 1 EA SLEEVE; 1 EA SPACER; 1 EA QUICK RELEASE PIN; 2 EA FLAT WASHER; 1 EA BEARING; 1 EA SHEAVE; 1 EA SWIVEL PLATE ASSEMBLY; 1 EA PLATE AND YOKE ASSEMBLY; 1 EA SELF LOCKING SET SCREW; 1 EA SELF LOCKING NUT; 1 EA RETAINING RING; 1 EA HEX. HD CAP SCREW; 2 EA FLAT WASHER AND 1 EA SELF LOCKING NUT; 0.125 MICROIN FINISH UNLESS OTHERWISE SPECIFIED. 1 specification is documented in the U.S. Government catalog.

Is NSN 3940-01-280-4663 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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