PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GB505B-3Bumper

Northrop Grumman Systems Corporation · NSN 5340-00-558-4424 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-558-4424 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-558-4424. Primary manufacturer part number: GB505B-3.
Features
  • Bumper — FSC 5340
  • Specification/standard Data: 26512-GB505B-3 MANUFACTURERS SPECIFICATION
  • Hole Diameter: 0.125 INCHES NOMINAL IN
  • First Counterbore Depth: 0.156 INCHES NOMINAL IN
  • Style Designator: DONUT TOP COUNTERBORED
  • First Counterbore Diameter: 0.250 INCHES NOMINAL IN
  • Outside/top Flange Diameter: 0.625 INCHES NOMINAL IN
  • 3 verified cross-references
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Bumper, cataloged under National Stock Number 5340-00-558-4424, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5340-00-558-4424
Primary Part NumberGB505B-3
Item NameBumper
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
Specification/standard Data26512-GB505B-3 MANUFACTURERS SPECIFICATION
Hole Diameter0.125 INCHES NOMINAL IN
First Counterbore Depth0.156 INCHES NOMINAL IN
Style DesignatorDONUT TOP COUNTERBORED
First Counterbore Diameter0.250 INCHES NOMINAL IN
Outside/top Flange Diameter0.625 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 8
2920-00-350-40022-197 INTERCHANGEABLE
Glow Plug
Precision Aerospace Corporation Dba Precision Engine Control
5915-00-451-60972197 INTERCHANGEABLE
Filter,band Pass
Coast/advanced Chip Magnetics, Inc.
9540-00-595-6486 INTERCHANGEABLE
Angle,structural
5985-00-882-86543003-20 INTERCHANGEABLE
Coupler,directional
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
5961-00-904-20191N4720 INTERCHANGEABLE
Semiconductor Device,diode
Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div
5315-00-989-53652197 INTERCHANGEABLE
Pin,special
Eaton Aerospace, Llc Dba Jackson South
2815-01-329-8563772197 INTERCHANGEABLE
Oil Pump Assembly,engine
Deutz Corporation
6760-01-595-0589 INTERCHANGEABLE
Lens,camera,general Photographic
Cross-Reference Index
Part NumberManufacturer
GB505B-3 PRIMARY Northrop Grumman Systems Corporation (USA)
2197 Dialight Corporation (USA)
2197 Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron (USA)
Related Parts
2920-00-350-4002INTERCHANGEABLE
GLOW PLUG
2-197
5915-00-451-6097INTERCHANGEABLE
FILTER,BAND PASS
2197
9540-00-595-6486INTERCHANGEABLE
ANGLE,STRUCTURAL
5985-00-882-8654INTERCHANGEABLE
COUPLER,DIRECTIONAL
3003-20
5961-00-904-2019INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N4720
5315-00-989-5365INTERCHANGEABLE
PIN,SPECIAL
2197
2815-01-329-8563INTERCHANGEABLE
OIL PUMP ASSEMBLY,ENGINE
772197
6760-01-595-0589INTERCHANGEABLE
LENS,CAMERA,GENERAL PHOTOGRAPHIC

Frequently Asked Questions

What is NSN 5340-00-558-4424?

NSN 5340-00-558-4424 is a Bumper, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-558-4424?

NSN 5340-00-558-4424 has 3 cross-referenced part numbers: GB505B-3 (Northrop Grumman Systems Corporation), 2197 (Dialight Corporation), 2197 (Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron).

What NSN replaces 5340-00-558-4424?

There are 8 known substitutes for 5340-00-558-4424: 2920-00-350-4002, 5915-00-451-6097, 9540-00-595-6486 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GB505B-3?

Key specifications for GB505B-3: Overall Height: 0.313 INCHES NOMINAL IN; Specification/standard Data: 26512-GB505B-3 MANUFACTURERS SPECIFICATION; Hole Diameter: 0.125 INCHES NOMINAL IN; First Counterbore Depth: 0.156 INCHES NOMINAL IN. 7 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