PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3504552Fall Arrester,retractable Type

D B Industries, Llc · NSN 4240-01-663-1772 · FSC 4240 · No Item Name Available
Verified by PartsTable
NSN 4240-01-663-1772 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-663-1772. Primary manufacturer part number: 3504552.
Features
  • Fall Arrester,retractable Type — FSC 4240
  • Material: STEEL
  • Life Line Type: WIRE ROPE
  • Life Line Length: 600.0 INCHES NOMINAL IN
  • Surface Treatment: ZINC
  • Specification/standard Data: 80204-ANSIZ359.1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • 2 verified cross-references
  • Primary manufacturer: D B Industries, Llc
Applications
  • Applications requiring Steel construction
General Description

The Fall Arrester,retractable Type, cataloged under National Stock Number 4240-01-663-1772, is classified within Federal Supply Class 4240 (No Item Name Available) of the Fire Fighting, Rescue, and Safety Equipment group. The primary manufacturer of record is D B Industries, Llc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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
NSN4240-01-663-1772
Primary Part Number3504552
Item NameFall Arrester,retractable Type
FSC / FSG4240 / 42 — No Item Name Available
ManufacturerD B Industries, Llc
StatusACTIVE
MaterialSTEEL
Life Line TypeWIRE ROPE
Life Line Length600.0 INCHES NOMINAL IN
Surface TreatmentZINC
Specification/standard Data80204-ANSIZ359.1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-661-327443304PC8 INTERCHANGEABLE
Washer,flat
Lockheed Martin Librascope Corporation
5325-01-662-3835350-4552 INTERCHANGEABLE
Insert,screw Thread
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
3504552 Capital Safety Inc (USA)
3504552 PRIMARY D B Industries, Llc (USA)
Related Parts
5310-00-661-3274INTERCHANGEABLE
WASHER,FLAT
43304PC8
5325-01-662-3835INTERCHANGEABLE
INSERT,SCREW THREAD
350-4552

Frequently Asked Questions

What is NSN 4240-01-663-1772?

NSN 4240-01-663-1772 is a Fall Arrester,retractable Type, manufactured by D B Industries, Llc, classified under FSC 4240 (No Item Name Available). Status: active.

What are the part numbers for NSN 4240-01-663-1772?

NSN 4240-01-663-1772 has 2 cross-referenced part numbers: 3504552 (Capital Safety Inc), 3504552 (D B Industries, Llc).

What NSN replaces 4240-01-663-1772?

There are 2 known substitutes for 4240-01-663-1772: 5310-00-661-3274, 5325-01-662-3835. Verify interchangeability with system specifications before substitution.

What are the specifications of 3504552?

Key specifications for 3504552: Material: STEEL; Life Line Type: WIRE ROPE; Special Features: RATED CAPACITY: 75 LBS. (34 KG) TO 310 LBS. (141 KG),MAXIMUM ARRESTING FORCE 900 LBS OR LESS (4 KN),MAXIMUM ARRESTING DISTANCE 42 INCHES (105 CM),DESCENT SPEED 3 FT. PER SECOND (1M/SEC) SIZE 8 IN. WIDE X 11.5 IN. LONG X 3.5 I N. THICK (20CM X 29CM X 9CM),WEIGHT 19 LBS (8.5 KG),STANDARDS MEETS OSHA 1926.502,CSAZ259.2 LBS; Life Line Length: 600.0 INCHES NOMINAL IN. 7 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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