PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SIZE-BLatch,safety,hook

Harrington Hoists Inc · NSN 4030-00-901-4771 · FSC 4030 · No Item Name Available
Verified by PartsTable
NSN 4030-00-901-4771 — this item is cataloged by the U.S. Government under National Stock Number 4030-00-901-4771. Primary manufacturer part number: SIZE-B.
Features
  • Latch,safety,hook — FSC 4030
  • Reference Number Differentiating Characteristics: SIZE B, FOR 3/4 IN. TO 3/16 IN. HOOK NECK SIZE AND 1-1/4 IN. THROAT SIZE, STEEL, CADMIUM OR ZINC COATED IN
  • 2 verified cross-references
  • Primary manufacturer: Harrington Hoists Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Latch,safety,hook, cataloged under National Stock Number 4030-00-901-4771, is classified within Federal Supply Class 4030 (No Item Name Available) of the Rope, Cable, Chain, and Fittings group. The primary manufacturer of record is Harrington Hoists Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4030-00-901-4771
Primary Part NumberSIZE-B
Item NameLatch,safety,hook
FSC / FSG4030 / 40 — No Item Name Available
ManufacturerHarrington Hoists Inc
StatusACTIVE
Reference Number Differentiating CharacteristicsSIZE B, FOR 3/4 IN. TO 3/16 IN. HOOK NECK SIZE AND 1-1/4 IN. THROAT SIZE, STEEL, CADMIUM OR ZINC COATED IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5110-00-260-1706 INTERCHANGEABLE
Reamer,hand
4320-00-427-5418SIZEB INTERCHANGEABLE
Pump,vacuum
Fl Industries Inc Pneumotive Div
Cross-Reference Index
Part NumberManufacturer
SIZE-B Harrington Hoists Inc (USA)
SAFETYLATCH Harrington Hoists Inc (USA)
Related Parts
5110-00-260-1706INTERCHANGEABLE
REAMER,HAND
4320-00-427-5418INTERCHANGEABLE
PUMP,VACUUM
SIZEB

Frequently Asked Questions

What is NSN 4030-00-901-4771?

NSN 4030-00-901-4771 is a Latch,safety,hook, manufactured by Harrington Hoists Inc, classified under FSC 4030 (No Item Name Available). Status: active.

What are the part numbers for NSN 4030-00-901-4771?

NSN 4030-00-901-4771 has 2 cross-referenced part numbers: SIZE-B (Harrington Hoists Inc), SAFETYLATCH (Harrington Hoists Inc).

What NSN replaces 4030-00-901-4771?

There are 2 known substitutes for 4030-00-901-4771: 5110-00-260-1706, 4320-00-427-5418. Verify interchangeability with system specifications before substitution.

What are the specifications of SIZE-B?

Key specifications for SIZE-B: Reference Number Differentiating Characteristics: SIZE B, FOR 3/4 IN. TO 3/16 IN. HOOK NECK SIZE AND 1-1/4 IN. THROAT SIZE, STEEL, CADMIUM OR ZINC COATED IN. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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