PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16891Bumper

Naval Electronic Systems Security Engineering Center · NSN 5340-01-031-4472 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-031-4472 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-031-4472. Primary manufacturer part number: 16891.
Features
  • Bumper — FSC 5340
  • Material Document and Classification: ZZ-R-765, CLASS 1A, GRADE 70 FED SPEC SINGLE MATERIAL RESPONSE A
  • Outside/top Flange Diameter: 0.250 INCHES NOMINAL IN
  • Style Designator: FLAT TOP
  • Color: BROWN
  • Material: RUBBER SILICONE
  • 1 verified cross-reference
  • Primary manufacturer: Naval Electronic Systems Security Engineering Center
Applications
  • Applications requiring Rubber Silicone construction
General Description

The Bumper, cataloged under National Stock Number 5340-01-031-4472, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Electronic Systems Security Engineering Center. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-031-4472
Primary Part Number16891
Item NameBumper
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerNaval Electronic Systems Security Engineering Center
StatusACTIVE
Material Document and ClassificationZZ-R-765, CLASS 1A, GRADE 70 FED SPEC SINGLE MATERIAL RESPONSE A
Outside/top Flange Diameter0.250 INCHES NOMINAL IN
Style DesignatorFLAT TOP
ColorBROWN
MaterialRUBBER SILICONE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 5
1650-00-094-8105 INTERCHANGEABLE
Handle,manual Contr
5110-00-204-0723 INTERCHANGEABLE
File,hand
5305-00-331-948416891 INTERCHANGEABLE
Setscrew
Parker Hannifin Corporation Div Aerospace Group Headquarters
5945-01-110-3520 INTERCHANGEABLE
Relay,meter Movement
5962-01-473-047916891 INTERCHANGEABLE
Microcircuit,memory
Itw Food Equipment Group Llc Dba Gaylord Industries
Cross-Reference Index
Part NumberManufacturer
16891 Naval Electronic Systems Security Engineering Center (USA)
Related Parts
1650-00-094-8105INTERCHANGEABLE
HANDLE,MANUAL CONTR
5110-00-204-0723INTERCHANGEABLE
FILE,HAND
5305-00-331-9484INTERCHANGEABLE
SETSCREW
16891
5945-01-110-3520INTERCHANGEABLE
RELAY,METER MOVEMENT
5962-01-473-0479INTERCHANGEABLE
MICROCIRCUIT,MEMORY
16891

Frequently Asked Questions

What is NSN 5340-01-031-4472?

NSN 5340-01-031-4472 is a Bumper, manufactured by Naval Electronic Systems Security Engineering Center, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-031-4472?

NSN 5340-01-031-4472 has 1 cross-referenced part number: 16891 (Naval Electronic Systems Security Engineering Center).

What NSN replaces 5340-01-031-4472?

There are 5 known substitutes for 5340-01-031-4472: 1650-00-094-8105, 5110-00-204-0723, 5305-00-331-9484 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16891?

Key specifications for 16891: Material Document and Classification: ZZ-R-765, CLASS 1A, GRADE 70 FED SPEC SINGLE MATERIAL RESPONSE A; Outside/top Flange Diameter: 0.250 INCHES NOMINAL IN; Style Designator: FLAT TOP; Color: BROWN. 6 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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