PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18Bumper

Atlantic India Rubber Co Inc · NSN 5340-00-291-3650 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-291-3650 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-291-3650. Primary manufacturer part number: 18.
Features
  • Bumper — FSC 5340
  • First Counterbore Diameter: 0.375 INCHES NOMINAL IN
  • Color: BLACK
  • Hole Diameter: 0.188 INCHES NOMINAL IN
  • Material Hardness Rating: 55.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM
  • First Counterbore Depth: 0.250 INCHES NOMINAL IN
  • Outside/top Flange Diameter: 0.750 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC
Applications
  • Applications requiring Rubber Synthetic construction
General Description

The Bumper, cataloged under National Stock Number 5340-00-291-3650, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 13 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-291-3650
Primary Part Number18
Item NameBumper
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerAtlantic India Rubber Co Inc
StatusCANCELLED
First Counterbore Diameter0.375 INCHES NOMINAL IN
ColorBLACK
Hole Diameter0.188 INCHES NOMINAL IN
Material Hardness Rating55.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM
First Counterbore Depth0.250 INCHES NOMINAL IN
Outside/top Flange Diameter0.750 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC
Style DesignatorFLAT TOP COUNTERBORED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
5306-00-225-9089MS90726-34 SUCCESSOR
Bolt,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cylinder,door Closer
3110-00-100-06463F3049 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Caterpillar Inc Div Caterpillar Defense
5120-00-223-101821504 INTERCHANGEABLE
Punch,drive Pin
Mayhew Steel Products Inc
5120-00-293-2380593 INTERCHANGEABLE
Handle,timber Carrier
Leach Company
2530-00-311-4811 INTERCHANGEABLE
Gear,c,shaft
7530-00-347-3156TSF-4 INTERCHANGEABLE
Film,copying,thermographic Proce
R H Sales Company
4130-00-394-821451206S3402-847802PC8 INTERCHANGEABLE
Handle,lid
Naval Ship Systems Command
5120-00-473-73137082407 INTERCHANGEABLE
Remover Inserting B
U S Army Tank Automotive Command Amsta-Im-Mm
2990-00-588-41311912 INTERCHANGEABLE
Muffler,exhaust
Arvin Industries Inc
Cross-Reference Index
Part NumberManufacturer
330C838H03 Westinghouse Electric Corp (USA)
18 Zf Industrieantriebe Witten Gmbh (DEU)
1JA7516-1 Westinghouse Electric Corp (USA)
2425206 Zf Industrieantriebe Witten Gmbh (DEU)
9137332 Us Army Aviation and Missile Command (USA)
1JA7516-1 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
PP1097 Bae Systems Information and Electronic Systems Integration Inc. (USA)
2352123 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
1JA7516H01 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
18 PRIMARY Atlantic India Rubber Co Inc (USA)
A18156 General Scientific Corp Dba Surgitel (USA)
330C838H03 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
01-5-14-1284ITEM2-8 Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. (USA)
5260-0900 Genrad Inc (USA)
593 Fedders Corp (USA)
359-1009P1 Raytheon Company Dba Raytheon Co (USA)
359-1009P1 Raytheon Company Div Corp (USA)
18W403 Atlantic India Rubber Co Inc (USA)
Related Parts
5306-00-225-9089SUCCESSOR
BOLT,MACHINE
MS90726-34
5340-00-598-0601SUCCESSOR
CYLINDER,DOOR CLOSER
3110-00-100-0646INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
3F3049
5120-00-223-1018INTERCHANGEABLE
PUNCH,DRIVE PIN
21504
5120-00-293-2380INTERCHANGEABLE
HANDLE,TIMBER CARRIER
593
2530-00-311-4811INTERCHANGEABLE
GEAR,C,SHAFT
7530-00-347-3156INTERCHANGEABLE
FILM,COPYING,THERMOGRAPHIC PROCE
TSF-4
4130-00-394-8214INTERCHANGEABLE
HANDLE,LID
51206S3402-847802PC8
5120-00-473-7313INTERCHANGEABLE
REMOVER INSERTING B
7082407
2990-00-588-4131INTERCHANGEABLE
MUFFLER,EXHAUST
1912
4730-00-900-6279INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
C5-59-312-2
4420-00-969-0482INTERCHANGEABLE
RISER ASSEMBLY
593

Frequently Asked Questions

What is NSN 5340-00-291-3650?

NSN 5340-00-291-3650 is a Bumper, manufactured by Atlantic India Rubber Co Inc, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-291-3650?

NSN 5340-00-291-3650 has 18 cross-referenced part numbers: 330C838H03 (Westinghouse Electric Corp), 18 (Zf Industrieantriebe Witten Gmbh), 1JA7516-1 (Westinghouse Electric Corp), 2425206 (Zf Industrieantriebe Witten Gmbh), 9137332 (Us Army Aviation and Missile Command) and 13 more.

What NSN replaces 5340-00-291-3650?

There are 12 known substitutes for 5340-00-291-3650: 5306-00-225-9089, 5340-00-598-0601, 3110-00-100-0646 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18?

Key specifications for 18: First Counterbore Diameter: 0.375 INCHES NOMINAL IN; Special Features: FURNISHED W/STEEL WASHER; Overall Height: 0.563 INCHES NOMINAL IN; Color: BLACK. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-291-3650 still in active supply?

NSN 5340-00-291-3650 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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