PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21261M430Belt,v

Union Special Corp · NSN 3030-00-528-4231 · FSC 3030 · No Item Name Available
Verified by PartsTable
NSN 3030-00-528-4231 — this item is cataloged by the U.S. Government under National Stock Number 3030-00-528-4231. Primary manufacturer part number: 21261M430.
Features
  • Belt,v — FSC 3030
  • Material: FIBER AND RUBBER BODY
  • Strengthening Feature: FIBER CORD
  • Cross-Sectional Size: 3L
  • Nominal Width: 0.375 INCHES IN
  • Nominal Effective Outside Length: 43.000 INCHES IN
  • Style Designator: PLAIN
  • Performance Type: STANDARD CAPACITY
Applications
  • Applications requiring Fiber and Rubber Body construction
General Description

The Belt,v, cataloged under National Stock Number 3030-00-528-4231, is classified within Federal Supply Class 3030 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Union Special Corp. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 26 commercial cross-references from 19 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3030-00-528-4231
Primary Part Number21261M430
Item NameBelt,v
FSC / FSG3030 / 30 — No Item Name Available
ManufacturerUnion Special Corp
StatusCANCELLED
MaterialFIBER AND RUBBER BODY
Strengthening FeatureFIBER CORD
Cross-Sectional Size3L
Nominal Width0.375 INCHES IN
Nominal Effective Outside Length43.000 INCHES IN
Style DesignatorPLAIN
Performance TypeSTANDARD CAPACITY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5305-00-392-1126122149 INTERCHANGEABLE
Screw,machine
Telemechanics Inc
6685-00-877-021559A120A1-6-1 INTERCHANGEABLE
Gage,pressure,dial Indicating
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5998-01-212-5054809202 INTERCHANGEABLE
Circuit Card Assembly
Fluke Corp
6750-01-427-0855 INTERCHANGEABLE
Film,photographic
Cross-Reference Index
Part NumberManufacturer
21261M430 Union Special Corp (USA)
3L430 Hbd Industries, Inc Div Hbd/thermoid Inc (USA)
AA52490-3L430 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
P-8-951 Lennox Industries Inc (USA)
3L430 Goodyear Tire and Rubber Co the (USA)
3L430 Emerson Electric Co Browning Mfg Div (USA)
3L430 Carlisle Power Transmission Products Inc (USA)
3L430 Parker-Hannifin Corporation Dba Industrial Hose Product Division Div Hose Products Division (USA)
1430 Gates Corporation (USA)
MS39241-30 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
A-A-52490 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
3L430 Contitech Usa, Inc Dba Veyance Technologies (USA)
0M043 Parker-Hannifin Corporation Dba Industrial Hose Product Division Div Hose Products Division (USA)
7-074-000013 Grove U.s. Llc Dba Grove Us Llc (USA)
MS39241-3L430 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
A52490-3L430 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
1160990 Deutz Corporation (USA)
1160990 Wartsila Canada Inc (CAN)
809-202 Aqua-Chem Inc Cleaver-Brooks Div (USA)
3L430 Goodrich Corporation (USA)
Related Parts
5305-00-392-1126INTERCHANGEABLE
SCREW,MACHINE
122149
6685-00-877-0215INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
59A120A1-6-1
5998-01-212-5054INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
809202
6750-01-427-0855INTERCHANGEABLE
FILM,PHOTOGRAPHIC

Frequently Asked Questions

What is NSN 3030-00-528-4231?

NSN 3030-00-528-4231 is a Belt,v, manufactured by Union Special Corp, classified under FSC 3030 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3030-00-528-4231?

NSN 3030-00-528-4231 has 26 cross-referenced part numbers: 21261M430 (Union Special Corp), 3L430 (Hbd Industries, Inc Div Hbd/thermoid Inc), AA52490-3L430 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), P-8-951 (Lennox Industries Inc), 3L430 (Goodyear Tire and Rubber Co the) and 21 more.

What NSN replaces 3030-00-528-4231?

There are 4 known substitutes for 3030-00-528-4231: 5305-00-392-1126, 6685-00-877-0215, 5998-01-212-5054 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21261M430?

Key specifications for 21261M430: Special Features: HELICOPTER, ELECTRONIC COUNTERMEASURES, EH-60A; NIMITZ CLASS CVN; IWO JIMA CLASS LPH; FORRESTAL CLASS CV; WASP CLASS LHD; SHIPBOARD MATERIAL HANDLING EQUIPMENT (MHE); TARAWA CLASS LHA; TRIDENT HULL STRUCTURE; MINE COUNTERMEASURES SUPPORT (MCS) CLASS (LPH-12) A; Material: FIBER AND RUBBER BODY; Strengthening Feature: FIBER CORD; Cross-Sectional Size: 3L. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3030-00-528-4231 still in active supply?

NSN 3030-00-528-4231 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com