PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3521Strap,line Supporting

Heyco Inc Dba Heyco Products · NSN 5340-01-234-7725 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-234-7725 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-234-7725. Primary manufacturer part number: 3521.
Features
  • Strap,line Supporting — FSC 5340
  • Style Designator: SELF CLINCHING
  • Buckle Material Thickness: 0.188 INCHES NOMINAL IN
  • Antiabrasion Pad: NOT INCLUDED
  • Material: PLASTIC POLYAMIDE NYLON STRAP
  • Material: PLASTIC POLYAMIDE NYLON BUCKLE
  • Strap Thickness: 0.055 INCHES NOMINAL IN
  • Strap Length: 7.500 INCHES NOMINAL IN
Applications
  • Applications requiring Plastic Polyamide Nylon Strap construction
General Description

The Strap,line Supporting, cataloged under National Stock Number 5340-01-234-7725, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Heyco Inc Dba Heyco Products. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: PG.

Technical Specifications
ParameterValue
NSN5340-01-234-7725
Primary Part Number3521
Item NameStrap,line Supporting
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerHeyco Inc Dba Heyco Products
StatusACTIVE
Style DesignatorSELF CLINCHING
Buckle Material Thickness0.188 INCHES NOMINAL IN
Antiabrasion PadNOT INCLUDED
MaterialPLASTIC POLYAMIDE NYLON STRAP
MaterialPLASTIC POLYAMIDE NYLON BUCKLE
Strap Thickness0.055 INCHES NOMINAL IN
Strap Length7.500 INCHES NOMINAL IN
Strap Width0.188 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6530-01-417-7970 (3522)
HAZMATNo
Unit of IssuePG
Verified Substitutes 12
6530-01-417-79703522 SUCCESSOR
Sterilizer,surgical
Getinge Usa Inc
6510-00-054-72567000030208 INTERCHANGEABLE
Skin Closure,adhesive,surgical
Solventum Us Llc
3110-00-100-5842108-109-6PC487 INTERCHANGEABLE
Bearing,roller,tapered
Struthers Wells Corp
5120-00-104-55596-76070-1 INTERCHANGEABLE
Wrench,orifice
Northrop Grumman Systems Corporation
4820-00-200-0664CFA40614 INTERCHANGEABLE
Valve,globe
Curtis Dyna-Fog, Ltd.
5306-00-218-143635-21 INTERCHANGEABLE
Bolt,shoulder
Dresser Industries Inc Leroi Div
5120-00-308-3809GA143C INTERCHANGEABLE
Repair Tool,pneumatic Tire Valve
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5315-00-425-641310S0935 INTERCHANGEABLE
Pin,grooved,headless
Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)
5940-00-560-82703522 INTERCHANGEABLE
Post,binding,electrical
Sv Microwave, Inc. Div Sv Microwave
5120-00-596-6154 INTERCHANGEABLE
Wrench,spanner
Cross-Reference Index
Part NumberManufacturer
200-0290-02-0 Hale Products, Inc. (USA)
3522 Heyco Inc Dba Heyco Products (USA)
3521 PRIMARY Heyco Inc Dba Heyco Products (USA)
Related Parts
SUCCESSOR 6530-01-417-7970 Sterilizer,surgical · 3522
6510-00-054-7256INTERCHANGEABLE
SKIN CLOSURE,ADHESIVE,SURGICAL
7000030208
3110-00-100-5842INTERCHANGEABLE
BEARING,ROLLER,TAPERED
108-109-6PC487
5120-00-104-5559INTERCHANGEABLE
WRENCH,ORIFICE
6-76070-1
4820-00-200-0664INTERCHANGEABLE
VALVE,GLOBE
CFA40614
5306-00-218-1436INTERCHANGEABLE
BOLT,SHOULDER
35-21
5120-00-308-3809INTERCHANGEABLE
REPAIR TOOL,PNEUMATIC TIRE VALVE
GA143C
5315-00-425-6413INTERCHANGEABLE
PIN,GROOVED,HEADLESS
10S0935
5940-00-560-8270INTERCHANGEABLE
POST,BINDING,ELECTRICAL
3522
5120-00-596-6154INTERCHANGEABLE
WRENCH,SPANNER
5950-00-647-8881INTERCHANGEABLE
COIL,RADIO FREQUENCY
N215544-10
4730-00-867-9028INTERCHANGEABLE
ADAPTER BUSHING
3521

Frequently Asked Questions

What is NSN 5340-01-234-7725?

NSN 5340-01-234-7725 is a Strap,line Supporting, manufactured by Heyco Inc Dba Heyco Products, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-234-7725?

NSN 5340-01-234-7725 has 3 cross-referenced part numbers: 200-0290-02-0 (Hale Products, Inc.), 3522 (Heyco Inc Dba Heyco Products), 3521 (Heyco Inc Dba Heyco Products).

What NSN replaces 5340-01-234-7725?

There are 12 known substitutes for 5340-01-234-7725: 6530-01-417-7970, 6510-00-054-7256, 3110-00-100-5842 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3521?

Key specifications for 3521: Style Designator: SELF CLINCHING; Special Features: COLOR BLACK; Buckle Material Thickness: 0.188 INCHES NOMINAL IN; Antiabrasion Pad: NOT INCLUDED. 9 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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