PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

476623Guard,fan Impeller

Rotron Incorporated · NSN 4140-00-980-0176 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-00-980-0176 — this item is cataloged by the U.S. Government under National Stock Number 4140-00-980-0176. Primary manufacturer part number: 476623.
Features
  • Guard,fan Impeller — FSC 4140
  • 6 verified cross-references
  • Primary manufacturer: Rotron Incorporated
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Guard,fan Impeller, cataloged under National Stock Number 4140-00-980-0176, is classified within Federal Supply Class 4140 (No Item Name Available) of the Refrigeration, AC, and Air Circulating Equipment group. The primary manufacturer of record is Rotron Incorporated. This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4140-00-980-0176
Primary Part Number476623
Item NameGuard,fan Impeller
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerRotron Incorporated
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-043-37500912064-3 INTERCHANGEABLE
Nut,tube Coupling
Agco Corp Parts Opn
5935-00-063-9223131-1001-34 INTERCHANGEABLE
Connector,receptacle,electrical
Tabet Manufacturing Company, Inc. Dba Tabet Manufacturing Co Inc
4820-00-288-72321150-700-14 INTERCHANGEABLE
Valve,gate
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
5840-00-415-585647754-2 INTERCHANGEABLE
Clamp,radar
L3harris Technologies, Inc Div Space & Airborne Systems
4820-00-483-0677803-1385714-8XAF INTERCHANGEABLE
Valve,gate
Naval Ship Systems Command
4820-00-780-8364 INTERCHANGEABLE
Valve,gate
4820-00-826-994911-4DP2332 REVC 3-4IN INTERCHANGEABLE
Valve,gate
The Walworth Company
4820-00-827-3266 INTERCHANGEABLE
Valve,gate
4730-01-019-2748B13 INTERCHANGEABLE
Coupling Half,quick Disconnect
Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division
5133-01-112-9535 INTERCHANGEABLE
Drill,twist
Cross-Reference Index
Part NumberManufacturer
13134 Rotron Incorporated (USA)
1110012P2 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
476623 PRIMARY Rotron Incorporated (USA)
721-39B Aeroflex Laboratories Inc Rotating Components Div (USA)
477542 Rotron Incorporated (USA)
9995288 PRIMARY Us Army Aviation and Missile Command (USA)
Related Parts
4730-00-043-3750INTERCHANGEABLE
NUT,TUBE COUPLING
0912064-3
5935-00-063-9223INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
131-1001-34
4820-00-288-7232INTERCHANGEABLE
VALVE,GATE
1150-700-14
5840-00-415-5856INTERCHANGEABLE
CLAMP,RADAR
47754-2
4820-00-483-0677INTERCHANGEABLE
VALVE,GATE
803-1385714-8XAF
4820-00-780-8364INTERCHANGEABLE
VALVE,GATE
4820-00-826-9949INTERCHANGEABLE
VALVE,GATE
11-4DP2332 REVC 3-4IN
4820-00-827-3266INTERCHANGEABLE
VALVE,GATE
4730-01-019-2748INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
B13
5133-01-112-9535INTERCHANGEABLE
DRILL,TWIST
6110-01-310-8443INTERCHANGEABLE
STARTER,MOTOR
13134
5330-01-417-4848INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
13134

Frequently Asked Questions

What is NSN 4140-00-980-0176?

NSN 4140-00-980-0176 is a Guard,fan Impeller, manufactured by Rotron Incorporated, classified under FSC 4140 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4140-00-980-0176?

NSN 4140-00-980-0176 has 6 cross-referenced part numbers: 13134 (Rotron Incorporated), 1110012P2 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems), 476623 (Rotron Incorporated), 721-39B (Aeroflex Laboratories Inc Rotating Components Div), 477542 (Rotron Incorporated) and 1 more.

What NSN replaces 4140-00-980-0176?

There are 12 known substitutes for 4140-00-980-0176: 4730-00-043-3750, 5935-00-063-9223, 4820-00-288-7232 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 476623?

Key specifications for 476623: Special Features: CARBON STEEL,ZINC PLATE FINISH,TYPE 2,CLASS 2,QQ-P-416,4.375 IN.OD,3. IN. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4140-00-980-0176 still in active supply?

NSN 4140-00-980-0176 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.
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