PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5321-4Belt,flat

Raytheon Company Div Rmd Strategic · NSN 3030-00-105-3714 · FSC 3030 · No Item Name Available
Verified by PartsTable
NSN 3030-00-105-3714 — this item is cataloged by the U.S. Government under National Stock Number 3030-00-105-3714. Primary manufacturer part number: 5321-4.
Features
  • Belt,flat — FSC 3030
  • Nominal Inside Circumference: 37.250 INCHES IN
  • Nominal Thickness: 0.017 INCHES IN
  • Usage Design: TRANSMITTING POWER
  • Surface Condition: SMOOTH TOP SURFACE
  • Style Designator: REGULAR FLAT TYPE
  • Ply Quantity: 1
  • Nominal Width: 0.0250 INCHES IN
Applications
  • Applications requiring Plastic Polyethylene Terephthalate (pet)(polyester) Body construction
General Description

The Belt,flat, cataloged under National Stock Number 3030-00-105-3714, is classified within Federal Supply Class 3030 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Raytheon Company Div Rmd Strategic. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3030-00-105-3714
Primary Part Number5321-4
Item NameBelt,flat
FSC / FSG3030 / 30 — No Item Name Available
ManufacturerRaytheon Company Div Rmd Strategic
StatusACTIVE
Nominal Inside Circumference37.250 INCHES IN
Nominal Thickness0.017 INCHES IN
Usage DesignTRANSMITTING POWER
Surface ConditionSMOOTH TOP SURFACE
Style DesignatorREGULAR FLAT TYPE
Ply Quantity1
Nominal Width0.0250 INCHES IN
Surface ConditionSMOOTH PULLEY SURFACE
MaterialPLASTIC POLYETHYLENE TEREPHTHALATE (PET)(POLYESTER) BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3110-00-227-4996 INTERCHANGEABLE
Retainer,bearing,couterweight Pr
5133-00-228-1396 INTERCHANGEABLE
Drill,twist
6625-00-573-567911005 INTERCHANGEABLE
Meter,electrical Frequency
Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
4820-01-583-485353214 INTERCHANGEABLE
Valve,safety Relief
Westerbeke Corporation
Cross-Reference Index
Part NumberManufacturer
752-5118-049 Northern Telecom Inc Telecom Distribution Div (USA)
5321-4 PRIMARY Raytheon Company Div Rmd Strategic (USA)
B807 SERIES Fenner America Inc Fenner Manheim Div (USA)
Related Parts
3110-00-227-4996INTERCHANGEABLE
RETAINER,BEARING,COUTERWEIGHT PR
5133-00-228-1396INTERCHANGEABLE
DRILL,TWIST
6625-00-573-5679INTERCHANGEABLE
METER,ELECTRICAL FREQUENCY
11005
4820-01-583-4853INTERCHANGEABLE
VALVE,SAFETY RELIEF
53214

Frequently Asked Questions

What is NSN 3030-00-105-3714?

NSN 3030-00-105-3714 is a Belt,flat, manufactured by Raytheon Company Div Rmd Strategic, classified under FSC 3030 (No Item Name Available). Status: active.

What are the part numbers for NSN 3030-00-105-3714?

NSN 3030-00-105-3714 has 3 cross-referenced part numbers: 752-5118-049 (Northern Telecom Inc Telecom Distribution Div), 5321-4 (Raytheon Company Div Rmd Strategic), B807 SERIES (Fenner America Inc Fenner Manheim Div).

What NSN replaces 3030-00-105-3714?

There are 4 known substitutes for 3030-00-105-3714: 3110-00-227-4996, 5133-00-228-1396, 6625-00-573-5679 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5321-4?

Key specifications for 5321-4: Nominal Inside Circumference: 37.250 INCHES IN; Nominal Thickness: 0.017 INCHES IN; Usage Design: TRANSMITTING POWER; Surface Condition: SMOOTH TOP SURFACE. 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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