PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40111-3Bellows Actuator

U S Bearings · NSN 5999-01-474-8201 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-474-8201 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-474-8201. Primary manufacturer part number: 40111-3.
Features
  • Bellows Actuator — FSC 5999
  • Overall Diameter: 0.320 INCHES NOMINAL IN
  • Material: COPPER ALLOY AND NICKEL ALLOY
  • Overall Diameter: 0.320 INCHES NOMINAL IN
  • Material: COPPER ALLOY AND NICKEL ALLOY
  • 1 verified cross-reference
  • Primary manufacturer: U S Bearings
Applications
  • Applications requiring Copper Alloy and Nickel Alloy construction
General Description

The Bellows Actuator, cataloged under National Stock Number 5999-01-474-8201, is classified within Federal Supply Class 5999 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is U S Bearings. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5999-01-474-8201
Primary Part Number40111-3
Item NameBellows Actuator
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerU S Bearings
StatusACTIVE
Overall Diameter0.320 INCHES NOMINAL IN
MaterialCOPPER ALLOY AND NICKEL ALLOY
Overall Diameter0.320 INCHES NOMINAL IN
MaterialCOPPER ALLOY AND NICKEL ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
1660-00-510-2489401113 INTERCHANGEABLE
Adapter,valve
Aerocontrolex Group, Inc. Div Talley Actuators
5306-01-183-2697500412-15 INTERCHANGEABLE
Bolt,machine
Wbparts Inc
5330-01-339-54264011-13 INTERCHANGEABLE
Gasket
Culligan Intl Co Sub of Beatrice Companies Inc
6145-01-703-14994011-13 INTERCHANGEABLE
Wire,electrical
Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
5306-01-733-7136401113 INTERCHANGEABLE
Bolt,machine
Dexter Axle Company Llc
Cross-Reference Index
Part NumberManufacturer
40111-3 PRIMARY U S Bearings (USA)
Related Parts
1660-00-510-2489INTERCHANGEABLE
ADAPTER,VALVE
401113
5306-01-183-2697INTERCHANGEABLE
BOLT,MACHINE
500412-15
5330-01-339-5426INTERCHANGEABLE
GASKET
4011-13
6145-01-703-1499INTERCHANGEABLE
WIRE,ELECTRICAL
4011-13
5306-01-733-7136INTERCHANGEABLE
BOLT,MACHINE
401113

Frequently Asked Questions

What is NSN 5999-01-474-8201?

NSN 5999-01-474-8201 is a Bellows Actuator, manufactured by U S Bearings, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-474-8201?

NSN 5999-01-474-8201 has 1 cross-referenced part number: 40111-3 (U S Bearings).

What NSN replaces 5999-01-474-8201?

There are 5 known substitutes for 5999-01-474-8201: 1660-00-510-2489, 5306-01-183-2697, 5330-01-339-5426 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40111-3?

Key specifications for 40111-3: Overall Diameter: 0.320 INCHES NOMINAL IN; Material: COPPER ALLOY AND NICKEL ALLOY; Overall Length: 6.530 INCHES NOMINAL IN; Special Features: WEIGHT 3 GRAMS; HERMETIC SEAL; OPERATING TEMP -65 DEG F TO + 165 DEG F G. 8 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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