PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

381Bumper

Atlantic India Rubber Co Inc · NSN 5340-00-209-9371 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-209-9371 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-209-9371. Primary manufacturer part number: 381.
Features
  • Bumper — FSC 5340
  • Outside/top Flange Diameter: 0.625 INCHES NOMINAL IN
  • Style Designator: DONUT TOP COUNTERBORED
  • First Counterbore Diameter: 0.250 INCHES NOMINAL IN
  • Hole Diameter: 0.094 INCHES NOMINAL IN
  • Color: BLACK
  • Material: RUBBER NATURAL
  • First Counterbore Depth: 0.188 INCHES NOMINAL IN
Applications
  • Applications requiring Rubber Natural construction
General Description

The Bumper, cataloged under National Stock Number 5340-00-209-9371, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-209-9371
Primary Part Number381
Item NameBumper
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerAtlantic India Rubber Co Inc
StatusCANCELLED
Outside/top Flange Diameter0.625 INCHES NOMINAL IN
Style DesignatorDONUT TOP COUNTERBORED
First Counterbore Diameter0.250 INCHES NOMINAL IN
Hole Diameter0.094 INCHES NOMINAL IN
ColorBLACK
MaterialRUBBER NATURAL
First Counterbore Depth0.188 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor5340-01-335-6425 (5040)
HAZMATNo
Unit of IssueEA
Verified Substitutes 7
Refill,contamination Control Mat
5340-00-286-40841385 SUCCESSOR
Bumper
Kirkhill, Inc. Dba Kirkhill Inc
6530-00-494-705401-90-2674 SUCCESSOR
Hood,sealing,bottle
Allied Healthcare Products, Inc. Dba Allied
Tip,crutch
5340-01-335-64255040 SUCCESSOR
Plate,resilient Mount
Eaton Corporation Div Eaton Fluid Power
5940-00-777-7303323757 INTERCHANGEABLE
Splice,conductor
Te Connectivity Corporation
3120-01-198-8484323757 INTERCHANGEABLE
Bushing,sleeve
Brp Us Inc
Cross-Reference Index
Part NumberManufacturer
323757 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
381 PRIMARY Atlantic India Rubber Co Inc (USA)
5-040 Bird Electronic Corporation Div Bird Electronic Corp (USA)
5-040 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
SUCCESSOR 5340-01-335-6425 Plate,resilient Mount · 5040
6530-00-228-0505SUCCESSOR
REFILL,CONTAMINATION CONTROL MAT
5340-00-286-4084SUCCESSOR
BUMPER
1385
6530-00-494-7054SUCCESSOR
HOOD,SEALING,BOTTLE
01-90-2674
6515-00-597-3605SUCCESSOR
TIP,CRUTCH
5940-00-777-7303INTERCHANGEABLE
SPLICE,CONDUCTOR
323757
3120-01-198-8484INTERCHANGEABLE
BUSHING,SLEEVE
323757

Frequently Asked Questions

What is NSN 5340-00-209-9371?

NSN 5340-00-209-9371 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 5340-00-209-9371?

NSN 5340-00-209-9371 has 4 cross-referenced part numbers: 323757 (Lockheed Martin Corporation Div Rms - Mitchel Field), 381 (Atlantic India Rubber Co Inc), 5-040 (Bird Electronic Corporation Div Bird Electronic Corp), 5-040 (Zf Industrieantriebe Witten Gmbh).

What NSN replaces 5340-00-209-9371?

There are 7 known substitutes for 5340-00-209-9371: 6530-00-228-0505, 5340-00-286-4084, 6530-00-494-7054 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 381?

Key specifications for 381: Outside/top Flange Diameter: 0.625 INCHES NOMINAL IN; Style Designator: DONUT TOP COUNTERBORED; First Counterbore Diameter: 0.250 INCHES NOMINAL IN; Overall Height: 0.375 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-209-9371 still in active supply?

NSN 5340-00-209-9371 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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