PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LS15290A03ABumper

Lockheed Martin Corp · NSN 5340-00-490-3948 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-490-3948 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-490-3948. Primary manufacturer part number: LS15290A03A.
Features
  • Bumper — FSC 5340
  • Material: RUBBER SYNTHETIC
  • Outside/top Flange Diameter: 0.605 INCHES MINIMUM AND 0.645 INCHES MAXIMUM IN
  • Material Hardness Rating: 60.0 DUROMETER NOMINAL
  • First Counterbore Diameter: 0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
  • First Counterbore Depth: 0.130 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
  • Hole Diameter: 0.136 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
  • Style Designator: PAN TOP COUNTERBORED
Applications
  • Applications requiring Rubber Synthetic construction
General Description

The Bumper, cataloged under National Stock Number 5340-00-490-3948, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-490-3948
Primary Part NumberLS15290A03A
Item NameBumper
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
MaterialRUBBER SYNTHETIC
Outside/top Flange Diameter0.605 INCHES MINIMUM AND 0.645 INCHES MAXIMUM IN
Material Hardness Rating60.0 DUROMETER NOMINAL
First Counterbore Diameter0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
First Counterbore Depth0.130 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
Hole Diameter0.136 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
Style DesignatorPAN TOP COUNTERBORED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 8
6145-00-060-20125493 INTERCHANGEABLE
Cable,radio Frequency
Rscc Wire & Cable Llc Dba Marmon Industrial Energy & Infrastructure - East Granby
5985-00-156-0748549-3 INTERCHANGEABLE
Dummy Load,electrical
Omega Laboratories Inc
4730-00-270-38565493 INTERCHANGEABLE
Chuck,air,inflating
Schrader-Bridgeport International Inc Dba Schrader Automotive
5962-00-365-5728 INTERCHANGEABLE
Microcircuit,digital
2520-00-696-47845493 INTERCHANGEABLE
Gear,helical and Sp
Eaton Corp Transmission Div
5305-00-983-5340NAS1352-6-56P INTERCHANGEABLE
Screw,cap,socket Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5330-01-411-3862549-3 INTERCHANGEABLE
Retainer,packing
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
6640-01-558-296526 58 48 15 INTERCHANGEABLE
Processing Module,vacuum,tissue
Hacker Industries Inc Dba Hacker Instruments & Industries
Cross-Reference Index
Part NumberManufacturer
5493 Atlantic India Rubber Co Inc (USA)
LS15290A03A PRIMARY Lockheed Martin Corp (USA)
LS7427 Lockheed Martin Corp (USA)
Related Parts
6145-00-060-2012INTERCHANGEABLE
CABLE,RADIO FREQUENCY
5493
5985-00-156-0748INTERCHANGEABLE
DUMMY LOAD,ELECTRICAL
549-3
4730-00-270-3856INTERCHANGEABLE
CHUCK,AIR,INFLATING
5493
5962-00-365-5728INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
2520-00-696-4784INTERCHANGEABLE
GEAR,HELICAL AND SP
5493
5305-00-983-5340INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
NAS1352-6-56P
5330-01-411-3862INTERCHANGEABLE
RETAINER,PACKING
549-3
6640-01-558-2965INTERCHANGEABLE
PROCESSING MODULE,VACUUM,TISSUE
26 58 48 15

Frequently Asked Questions

What is NSN 5340-00-490-3948?

NSN 5340-00-490-3948 is a Bumper, manufactured by Lockheed Martin Corp, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-490-3948?

NSN 5340-00-490-3948 has 3 cross-referenced part numbers: 5493 (Atlantic India Rubber Co Inc), LS15290A03A (Lockheed Martin Corp), LS7427 (Lockheed Martin Corp).

What NSN replaces 5340-00-490-3948?

There are 8 known substitutes for 5340-00-490-3948: 6145-00-060-2012, 5985-00-156-0748, 4730-00-270-3856 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of LS15290A03A?

Key specifications for LS15290A03A: Material: RUBBER SYNTHETIC; Outside/top Flange Diameter: 0.605 INCHES MINIMUM AND 0.645 INCHES MAXIMUM IN; Material Hardness Rating: 60.0 DUROMETER NOMINAL; First Counterbore Diameter: 0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM 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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