PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9951898Bumper

Us Army Aviation and Missile Command · NSN 5340-00-818-5682 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-818-5682 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-818-5682. Primary manufacturer part number: 9951898.
Features
  • Bumper — FSC 5340
  • Hole Diameter: 0.156 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC
  • Specification/standard Data: 26512-GB505B1 MANUFACTURERS SPECIFICATION
  • First Counterbore Depth: 0.188 INCHES NOMINAL IN
  • Fastening Device Size: NO. 8-32 MACHINE SCREW
  • Fastening Device Type: MACHINE SCREW
  • Style Designator: DONUT TOP COUNTERBORED
Applications
  • Applications requiring Rubber Synthetic construction
General Description

The Bumper, cataloged under National Stock Number 5340-00-818-5682, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-818-5682
Primary Part Number9951898
Item NameBumper
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusACTIVE
Hole Diameter0.156 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC
Specification/standard Data26512-GB505B1 MANUFACTURERS SPECIFICATION
First Counterbore Depth0.188 INCHES NOMINAL IN
Fastening Device SizeNO. 8-32 MACHINE SCREW
Fastening Device TypeMACHINE SCREW
Style DesignatorDONUT TOP COUNTERBORED
Outside/top Flange Diameter0.750 INCHES NOMINAL IN
First Counterbore Diameter0.281 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 11
6810-00-242-3642 INTERCHANGEABLE
Quinolinol
5950-00-251-497721000980-21-98 INTERCHANGEABLE
Coil,radio Frequency
Thales Components Corp Div Thales Components Corporation
4240-00-258-20542181 INTERCHANGEABLE
Goggles,industrial
Iso Group Inc Dba Iso Group Inc
5999-00-306-0966 INTERCHANGEABLE
Contact,electrical
3040-00-836-13512198-78 INTERCHANGEABLE
Ring,piston
Lawler Manufacturing Company, Inc.
5950-00-847-04612135538 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3040-00-881-04192198 INTERCHANGEABLE
Lining,friction
Panish Marine Systems, Llc
6145-01-047-11332198 INTERCHANGEABLE
Braid,wire
Belden, Inc.
4730-01-318-6246219-8 INTERCHANGEABLE
Plug,pipe
Parker-Hannifin Corp Div Fluid System Connector Division
5330-01-333-45052198 INTERCHANGEABLE
Seal,nonmetallic Special Shaped
Zodiac of North America, Inc. Dba Zodiac of North America Inc Div Milpro
Cross-Reference Index
Part NumberManufacturer
2198 Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron (USA)
2198 Dialight Corporation (USA)
9951898 PRIMARY Us Army Aviation and Missile Command (USA)
GB505B1 Northrop Grumman Systems Corporation (USA)
GB505B1B Northrop Grumman Systems Corporation (USA)
Related Parts
6810-00-242-3642INTERCHANGEABLE
QUINOLINOL
5950-00-251-4977INTERCHANGEABLE
COIL,RADIO FREQUENCY
21000980-21-98
4240-00-258-2054INTERCHANGEABLE
GOGGLES,INDUSTRIAL
2181
5999-00-306-0966INTERCHANGEABLE
CONTACT,ELECTRICAL
3040-00-836-1351INTERCHANGEABLE
RING,PISTON
2198-78
5950-00-847-0461INTERCHANGEABLE
TRANSFORMER,POWER
2135538
3040-00-881-0419INTERCHANGEABLE
LINING,FRICTION
2198
6145-01-047-1133INTERCHANGEABLE
BRAID,WIRE
2198
4730-01-318-6246INTERCHANGEABLE
PLUG,PIPE
219-8
5330-01-333-4505INTERCHANGEABLE
SEAL,NONMETALLIC SPECIAL SHAPED
2198
5365-01-336-6448INTERCHANGEABLE
SPACER,SLEEVE
2198

Frequently Asked Questions

What is NSN 5340-00-818-5682?

NSN 5340-00-818-5682 is a Bumper, manufactured by Us Army Aviation and Missile Command, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-818-5682?

NSN 5340-00-818-5682 has 5 cross-referenced part numbers: 2198 (Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron), 2198 (Dialight Corporation), 9951898 (Us Army Aviation and Missile Command), GB505B1 (Northrop Grumman Systems Corporation), GB505B1B (Northrop Grumman Systems Corporation).

What NSN replaces 5340-00-818-5682?

There are 11 known substitutes for 5340-00-818-5682: 6810-00-242-3642, 5950-00-251-4977, 4240-00-258-2054 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9951898?

Key specifications for 9951898: Hole Diameter: 0.156 INCHES NOMINAL IN; Overall Height: 0.375 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC; Specification/standard Data: 26512-GB505B1 MANUFACTURERS SPECIFICATION. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com