PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

997 NEOPRENE 50 DUROMETERBumper

Atlantic India Rubber Co Inc · NSN 5340-01-194-9443 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-194-9443 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-194-9443. Primary manufacturer part number: 997 NEOPRENE 50 DUROMETER.
Features
  • Bumper — FSC 5340
  • Material: RUBBER CHLOROPRENE CLASS CR
  • Material Hardness Rating: 50.0 SHORE DUROMETER A NOMINAL
  • Style Designator: FLANGED
  • Shank Length: 0.100 INCHES NOMINAL IN
  • Outside/top Flange Diameter: 0.310 INCHES NOMINAL IN
  • Shank Diameter: 0.280 INCHES NOMINAL IN
  • 7 verified cross-references
Applications
  • Applications requiring Rubber Chloroprene Class Cr construction
General Description

The Bumper, cataloged under National Stock Number 5340-01-194-9443, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Atlantic India Rubber Co Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 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: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-194-9443
Primary Part Number997 NEOPRENE 50 DUROMETER
Item NameBumper
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerAtlantic India Rubber Co Inc
StatusACTIVE
MaterialRUBBER CHLOROPRENE CLASS CR
Material Hardness Rating50.0 SHORE DUROMETER A NOMINAL
Style DesignatorFLANGED
Shank Length0.100 INCHES NOMINAL IN
Outside/top Flange Diameter0.310 INCHES NOMINAL IN
Shank Diameter0.280 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5340-00-527-3178
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
Bracket,angle
5340-00-527-3179900 SUCCESSOR
Bracket,angle
Bommer Industries, Inc.
Bracket,angle
5340-01-176-70144076 SUCCESSOR
Bumper
Atlantic India Rubber Co Inc
6515-01-261-46564076 SUCCESSOR
Catheter and Needle Unit,intrave
Critikon Inc Sub of Johnson and Johnson
5340-01-293-6206997 SUCCESSOR
Clamp,loop
Ray R G Corp
5120-00-056-3938 INTERCHANGEABLE
Blade,nutdriver
4320-00-116-03764076 INTERCHANGEABLE
Parts Kit,hydraulic Pump
Husco International Inc
4730-00-370-4832GA1477 INTERCHANGEABLE
Adapter,tank Filler
Eaton Corporation
2920-00-377-56314076 INTERCHANGEABLE
Cap,ignition Distribution
Champion Aerospace Llc
Cross-Reference Index
Part NumberManufacturer
997 NEOPRENE 50 DUROMETER PRIMARY Atlantic India Rubber Co Inc (USA)
HS4450-4 PRIMARY The Boeing Company (USA)
HS4450 Mcdonnell Douglas Helicopter Co Inc (USA)
4076-034-BLK PRIMARY Accurate Elastomer Products, Inc. (USA)
997 Atlantic India Rubber Co Inc (USA)
4076 Accurate Elastomer Products, Inc. (USA)
HS4450-4 Mcdonnell Douglas Helicopter Co Inc (USA)
Related Parts
SUCCESSOR 5340-00-527-3178 Bracket,angle
5340-00-527-3179SUCCESSOR
BRACKET,ANGLE
900
5340-00-527-3182SUCCESSOR
BRACKET,ANGLE
5340-01-176-7014SUCCESSOR
BUMPER
4076
6515-01-261-4656SUCCESSOR
CATHETER AND NEEDLE UNIT,INTRAVE
4076
5340-01-293-6206SUCCESSOR
CLAMP,LOOP
997
5120-00-056-3938INTERCHANGEABLE
BLADE,NUTDRIVER
4320-00-116-0376INTERCHANGEABLE
PARTS KIT,HYDRAULIC PUMP
4076
4730-00-370-4832INTERCHANGEABLE
ADAPTER,TANK FILLER
GA1477
2920-00-377-5631INTERCHANGEABLE
CAP,IGNITION DISTRIBUTION
4076
4820-00-446-3537INTERCHANGEABLE
VALVE,SAFETY RELIEF
997
5340-00-527-3160INTERCHANGEABLE
BRACKET,ANGLE

Frequently Asked Questions

What is NSN 5340-01-194-9443?

NSN 5340-01-194-9443 is a Bumper, manufactured by Atlantic India Rubber Co Inc, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-194-9443?

NSN 5340-01-194-9443 has 7 cross-referenced part numbers: 997 NEOPRENE 50 DUROMETER (Atlantic India Rubber Co Inc), HS4450-4 (The Boeing Company), HS4450 (Mcdonnell Douglas Helicopter Co Inc), 4076-034-BLK (Accurate Elastomer Products, Inc.), 997 (Atlantic India Rubber Co Inc) and 2 more.

What NSN replaces 5340-01-194-9443?

There are 12 known substitutes for 5340-01-194-9443: 5340-00-527-3178, 5340-00-527-3179, 5340-00-527-3182 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 997 NEOPRENE 50 DUROMETER?

Key specifications for 997 NEOPRENE 50 DUROMETER: Material: RUBBER CHLOROPRENE CLASS CR; Overall Height: 0.190 INCHES NOMINAL IN; Material Hardness Rating: 50.0 SHORE DUROMETER A NOMINAL; End Item Identification: W/S: HELICOPTER, APACHE AH-64. 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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