PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4242Bumper

Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp · NSN 5340-00-346-2636 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-346-2636 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-346-2636. Primary manufacturer part number: 4242.
Features
  • Bumper — FSC 5340
  • Material: RUBBER CHLOROPRENE CLASS CR
  • Style Designator: FLAT TOP COUNTERBORED
  • First Counterbore Diameter: 0.625 INCHES NOMINAL IN
  • Outside/top Flange Diameter: 1.000 INCHES NOMINAL IN
  • Material Hardness Rating: 30.0 SHORE DUROMETER A MINIMUM AND 50.0 SHORE DUROMETER A MAXIMUM
  • First Counterbore Depth: 0.062 INCHES NOMINAL IN
  • Hole Diameter: 0.375 INCHES NOMINAL IN
Applications
  • Applications requiring Rubber Chloroprene Class Cr construction
General Description

The Bumper, cataloged under National Stock Number 5340-00-346-2636, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5340-00-346-2636
Primary Part Number4242
Item NameBumper
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerRubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp
StatusACTIVE
MaterialRUBBER CHLOROPRENE CLASS CR
Style DesignatorFLAT TOP COUNTERBORED
First Counterbore Diameter0.625 INCHES NOMINAL IN
Outside/top Flange Diameter1.000 INCHES NOMINAL IN
Material Hardness Rating30.0 SHORE DUROMETER A MINIMUM AND 50.0 SHORE DUROMETER A MAXIMUM
First Counterbore Depth0.062 INCHES NOMINAL IN
Hole Diameter0.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
5365-00-034-62491008418-1 INTERCHANGEABLE
Ring,externally Threaded
Honeywell International Inc. Div Aerospace - Torrance
5306-00-209-37704242 INTERCHANGEABLE
Bolt,toggle
Powers Fasteners, Inc.
4820-00-554-8718424-2 INTERCHANGEABLE
Valve,gate
Crane Co Div Valve Div
5950-00-647-8367 INTERCHANGEABLE
Coil,electrical
5310-00-827-897610084181 INTERCHANGEABLE
Nut,plain,blind Rivet
Us Army Aviation and Missile Command
6532-01-032-4086 INTERCHANGEABLE
Cap,operating,surgical
6625-01-038-0775 INTERCHANGEABLE
Voltmeter
4140-01-146-44744-242 INTERCHANGEABLE
Delay Control,fan
National Refrigeration & Air Conditioning Products Inc Dba Continental Refrigerator
5950-01-186-3856 INTERCHANGEABLE
Toroid Coil Assy
5330-01-197-75154242 INTERCHANGEABLE
Seal,plain
Barber-Nichols, Llc
Cross-Reference Index
Part NumberManufacturer
4242 PRIMARY Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp (USA)
1008418-1 Rca Corp Distributor and Special Products Div
Related Parts
5365-00-034-6249INTERCHANGEABLE
RING,EXTERNALLY THREADED
1008418-1
5306-00-209-3770INTERCHANGEABLE
BOLT,TOGGLE
4242
4820-00-554-8718INTERCHANGEABLE
VALVE,GATE
424-2
5950-00-647-8367INTERCHANGEABLE
COIL,ELECTRICAL
5310-00-827-8976INTERCHANGEABLE
NUT,PLAIN,BLIND RIVET
10084181
6532-01-032-4086INTERCHANGEABLE
CAP,OPERATING,SURGICAL
6625-01-038-0775INTERCHANGEABLE
VOLTMETER
4140-01-146-4474INTERCHANGEABLE
DELAY CONTROL,FAN
4-242
5950-01-186-3856INTERCHANGEABLE
TOROID COIL ASSY
5330-01-197-7515INTERCHANGEABLE
SEAL,PLAIN
4242
6220-01-238-4110INTERCHANGEABLE
LIGHT,WARNING
2295-4242
5985-01-285-0588INTERCHANGEABLE
ANTENNA
4242

Frequently Asked Questions

What is NSN 5340-00-346-2636?

NSN 5340-00-346-2636 is a Bumper, manufactured by Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-346-2636?

NSN 5340-00-346-2636 has 2 cross-referenced part numbers: 4242 (Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp), 1008418-1 (Rca Corp Distributor and Special Products Div).

What NSN replaces 5340-00-346-2636?

There are 12 known substitutes for 5340-00-346-2636: 5365-00-034-6249, 5306-00-209-3770, 4820-00-554-8718 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4242?

Key specifications for 4242: Overall Height: 0.750 INCHES NOMINAL IN; Material: RUBBER CHLOROPRENE CLASS CR; Style Designator: FLAT TOP COUNTERBORED; First Counterbore Diameter: 0.625 INCHES NOMINAL IN. 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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