PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51RHelmet,safety

E. D. Bullard Company Dba Ed Bullard Co · NSN 8415-01-563-8411 · FSC 8415 · No Item Name Available
Verified by PartsTable
NSN 8415-01-563-8411 — this item is cataloged by the U.S. Government under National Stock Number 8415-01-563-8411. Primary manufacturer part number: 51R.
Features
  • Helmet,safety — FSC 8415
  • 1 verified cross-reference
  • Primary manufacturer: E. D. Bullard Company Dba Ed Bullard Co
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Helmet,safety, cataloged under National Stock Number 8415-01-563-8411, is classified within Federal Supply Class 8415 (No Item Name Available) of the Clothing, Individual Equipment, and Insignia group. The primary manufacturer of record is E. D. Bullard Company Dba Ed Bullard Co. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN8415-01-563-8411
Primary Part Number51R
Item NameHelmet,safety
FSC / FSG8415 / 84 — No Item Name Available
ManufacturerE. D. Bullard Company Dba Ed Bullard Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6240-00-132-5342 INTERCHANGEABLE
Lamp,incandescent
6220-00-897-5862920109 INTERCHANGEABLE
Lens,light
Betts Industries, Inc.
Cross-Reference Index
Part NumberManufacturer
51R PRIMARY E. D. Bullard Company Dba Ed Bullard Co (USA)
Related Parts
6240-00-132-5342INTERCHANGEABLE
LAMP,INCANDESCENT
6220-00-897-5862INTERCHANGEABLE
LENS,LIGHT
920109

Frequently Asked Questions

What is NSN 8415-01-563-8411?

NSN 8415-01-563-8411 is a Helmet,safety, manufactured by E. D. Bullard Company Dba Ed Bullard Co, classified under FSC 8415 (No Item Name Available). Status: active.

What are the part numbers for NSN 8415-01-563-8411?

NSN 8415-01-563-8411 has 1 cross-referenced part number: 51R (E. D. Bullard Company Dba Ed Bullard Co).

What NSN replaces 8415-01-563-8411?

There are 2 known substitutes for 8415-01-563-8411: 6240-00-132-5342, 6220-00-897-5862. Verify interchangeability with system specifications before substitution.

What are the specifications of 51R?

Key specifications for 51R: Part Name Assigned by Controlling Agency: STANDARD SERIES HARD HAT MODEL S51R; Special Features: LOW-PROFILE SHELL, ALONG WITH BULLARDS 3-RIB DESIGN AND PATENTED SUSPENSION SYSTEM, PROVIDE MAXIMUM COMFORT WITH A LOOK WORKERS PREFER, STANDARD SERIES WITH RAIN TROUGH, 4-POINT FLEX-GEAR RATCHET SUSPENSION, POLY BROW PAD. 2 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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