PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ILK2Helmet,liner

Sirchie Acquisition Co Llc · NSN 8415-01-344-8704 · FSC 8415 · No Item Name Available
Verified by PartsTable
NSN 8415-01-344-8704 — this item is cataloged by the U.S. Government under National Stock Number 8415-01-344-8704. Primary manufacturer part number: ILK2.
Features
  • Helmet,liner — FSC 8415
  • General Characteristics Item Description: REPLACEMENT KIT RESTORES HELMET INTERIER
  • 2 verified cross-references
  • Primary manufacturer: Sirchie Acquisition Co Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Helmet,liner, cataloged under National Stock Number 8415-01-344-8704, 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 Sirchie Acquisition Co Llc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN8415-01-344-8704
Primary Part NumberILK2
Item NameHelmet,liner
FSC / FSG8415 / 84 — No Item Name Available
ManufacturerSirchie Acquisition Co Llc
StatusACTIVE
General Characteristics Item DescriptionREPLACEMENT KIT RESTORES HELMET INTERIER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6810-00-237-2954 INTERCHANGEABLE
Nitric Acid
6670-00-240-4196 INTERCHANGEABLE
Weight Set,balance
2520-00-311-8443 INTERCHANGEABLE
Transmission Assy
6625-00-464-2133224743-001 INTERCHANGEABLE
Voltmeter
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
4810-00-692-36839600 INTERCHANGEABLE
Valve,linear,directional Control
Moog Inc
5985-00-941-3542SM-C-498256 INTERCHANGEABLE
Attenuator,fixed
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6035-01-174-1600 INTERCHANGEABLE
Illuminator,fiber Optic
6540-01-204-26499600 INTERCHANGEABLE
Rack,lens,ophthalmic
Brain Power Inc Dba Brain Power Inc Div Brain Power Incorporated
6515-01-267-6105 INTERCHANGEABLE
Blade Assembly,surgical Clipper
3030-01-319-93639600 INTERCHANGEABLE
Belt,v
Gates Corporation
Cross-Reference Index
Part NumberManufacturer
9600 Sirchie Acquisition Co Llc (USA)
ILK2 PRIMARY Sirchie Acquisition Co Llc (USA)
Related Parts
6810-00-237-2954INTERCHANGEABLE
NITRIC ACID
6670-00-240-4196INTERCHANGEABLE
WEIGHT SET,BALANCE
2520-00-311-8443INTERCHANGEABLE
TRANSMISSION ASSY
6625-00-464-2133INTERCHANGEABLE
VOLTMETER
224743-001
4810-00-692-3683INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
9600
5985-00-941-3542INTERCHANGEABLE
ATTENUATOR,FIXED
SM-C-498256
6035-01-174-1600INTERCHANGEABLE
ILLUMINATOR,FIBER OPTIC
6540-01-204-2649INTERCHANGEABLE
RACK,LENS,OPHTHALMIC
9600
6515-01-267-6105INTERCHANGEABLE
BLADE ASSEMBLY,SURGICAL CLIPPER
3030-01-319-9363INTERCHANGEABLE
BELT,V
9600
5895-01-321-4664INTERCHANGEABLE
MODEM,COMMUNICATIONS
7510-01-338-5345INTERCHANGEABLE
ERASER,RUBBER
9600

Frequently Asked Questions

What is NSN 8415-01-344-8704?

NSN 8415-01-344-8704 is a Helmet,liner, manufactured by Sirchie Acquisition Co Llc, classified under FSC 8415 (No Item Name Available). Status: active.

What are the part numbers for NSN 8415-01-344-8704?

NSN 8415-01-344-8704 has 2 cross-referenced part numbers: 9600 (Sirchie Acquisition Co Llc), ILK2 (Sirchie Acquisition Co Llc).

What NSN replaces 8415-01-344-8704?

There are 12 known substitutes for 8415-01-344-8704: 6810-00-237-2954, 6670-00-240-4196, 2520-00-311-8443 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ILK2?

Key specifications for ILK2: General Characteristics Item Description: REPLACEMENT KIT RESTORES HELMET INTERIER; End Item Identification: CROWN 9000. 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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