PartsTable TECHNICAL DATA SHEET
NSN 3940-01-561-5256Government record, cited

Hook Block Assembly3940-01-561-5256

NSN 3940-01-561-5256 · NIIN 015615256 · Part number 6053000547
Grove U.s. Llc Dba Grove Us Llc · FSC 3940 — Blocks, Tackle, Rigging, and Slings · FSG 39 — Materials Handling Equipment · CAGE 12361
Government record, cited
NSN 3940-01-561-5256 — this item is cataloged by the U.S. Government under National Stock Number 3940-01-561-5256. Manufacturer of record part number: 6053000547.
Also searched as  3940-01-561-5256 · 3940015615256 · NIIN 015615256 · 01-561-5256 · FSC 3940 Blocks, Tackle, Rigging, and Slings · CAGE 12361 · 6053000547
Nearby stock numbers  ·
Features
  • Hook Block Assembly — FSC 3940
  • Supplementary Features: NHA-GROUP 7411 CRANE OR CLAMSHELL COMPONENTS
  • 1 manufacturer part number on file
  • Manufacturer of record: Grove U.s. Llc Dba Grove Us Llc
Identification
  • NSN: 3940-01-561-5256
  • NIIN: 015615256
  • FSC: 3940 — Blocks, Tackle, Rigging, and Slings
  • FSG: 39 — Materials Handling Equipment
  • Primary part number: 6053000547
  • Manufacturer: Grove U.s. Llc Dba Grove Us Llc
General Description

The Hook Block Assembly, cataloged under National Stock Number 3940-01-561-5256, is classified within Federal Supply Class 3940 (Blocks, Tackle, Rigging, and Slings) of the Materials Handling Equipment group. The manufacturer of record is Grove U.s. Llc Dba Grove Us Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3940-01-561-5256
Primary Part Number6053000547
Item NameHook Block Assembly
FSC / FSG3940 / 39 — Blocks, Tackle, Rigging, and Slings
ManufacturerGrove U.s. Llc Dba Grove Us Llc
StatusACTIVE
Supplementary FeaturesNHA-GROUP 7411 CRANE OR CLAMSHELL COMPONENTS
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
6053000547 PRIMARY Grove U.s. Llc Dba Grove Us Llc (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 3940-01-561-5256?

NSN 3940-01-561-5256 is a Hook Block Assembly, manufactured by Grove U.s. Llc Dba Grove Us Llc, classified under FSC 3940, Blocks, Tackle, Rigging, and Slings. Status: active.

What part numbers are listed for NSN 3940-01-561-5256?

NSN 3940-01-561-5256 has 1 manufacturer part number on file: 6053000547 (Grove U.s. Llc Dba Grove Us Llc).

What are the specifications of 6053000547?

Key specifications for 6053000547: Supplementary Features: NHA-GROUP 7411 CRANE OR CLAMSHELL COMPONENTS; Part Name Assigned by Controlling Agency: HEADACHE BALL ASSY; End Item Identification: 3810-01-553-7771, CRANE,TRUCK MOUNTED. 1 specification is documented in the U.S. Government catalog.

Is NSN 3940-01-561-5256 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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