PartsTable TECHNICAL DATA SHEET
SEPTEMBER 2026Technical Data Sheet

LL-H66-0728Helmet,safety,cap

Naval Medical Material Support Command Detachment · NSN 6530-01-539-6868 · FSC 6530 · No Item Name Available
Verified by PartsTable
NSN 6530-01-539-6868 — this item is cataloged by the U.S. Government under National Stock Number 6530-01-539-6868. Primary manufacturer part number: LL-H66-0728.
Features
  • Helmet,safety,cap — FSC 6530
  • 2 verified cross-references
  • Primary manufacturer: Naval Medical Material Support Command Detachment
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Helmet,safety,cap, cataloged under National Stock Number 6530-01-539-6868, is classified within Federal Supply Class 6530 (No Item Name Available) of the Medical, Dental, and Veterinary Equipment group. The primary manufacturer of record is Naval Medical Material Support Command Detachment. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6530-01-539-6868
Primary Part NumberLL-H66-0728
Item NameHelmet,safety,cap
FSC / FSG6530 / 65 — No Item Name Available
ManufacturerNaval Medical Material Support Command Detachment
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
⇄ Verified Substitutes 2
6685-00-902-6404T001 INTERCHANGEABLE
Thermometer,self-Indicating
Sigma Products & Mfg
2420-01-723-46255100R INTERCHANGEABLE
Tractor,wheeled,agricultural
John Deere Company Inc
Cross-Reference Index
Part NumberManufacturer
LL-H66-0728 PRIMARY Naval Medical Material Support Command Detachment (USA)
5100R PRIMARY E. D. Bullard Company Dba Ed Bullard Co (USA)
Related Parts
6685-00-902-6404INTERCHANGEABLE
THERMOMETER,SELF-INDICATING
T001
2420-01-723-4625INTERCHANGEABLE
TRACTOR,WHEELED,AGRICULTURAL
5100R

Frequently Asked Questions

What is NSN 6530-01-539-6868?

NSN 6530-01-539-6868 is a Helmet,safety,cap, manufactured by Naval Medical Material Support Command Detachment, classified under FSC 6530 (No Item Name Available). Status: active.

What are the part numbers for NSN 6530-01-539-6868?

NSN 6530-01-539-6868 has 2 cross-referenced part numbers: LL-H66-0728 (Naval Medical Material Support Command Detachment), 5100R (E. D. Bullard Company Dba Ed Bullard Co).

What NSN replaces 6530-01-539-6868?

There are 2 known substitutes for 6530-01-539-6868: 6685-00-902-6404, 2420-01-723-4625. Verify interchangeability with system specifications before substitution.

What are the specifications of LL-H66-0728?

Key specifications for LL-H66-0728: Special Features: CAP STYLE HARD HAT INCLUDES STANDARD HEADBAND; Part Name Assigned by Controlling Agency: HARD HAT CAP STYLE INCL HEADBAND; End Item Identification: FOR ABLTS WATER/FUEL TRANSFER SYSTEM W/ISO. 3 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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