PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

405921Proportioner,foam Liquid,injecti

Tyco Fire Products Lp · NSN 4210-01-429-4325 · FSC 4210 · No Item Name Available
Verified by PartsTable
NSN 4210-01-429-4325 — this item is cataloged by the U.S. Government under National Stock Number 4210-01-429-4325. Primary manufacturer part number: 405921.
Features
  • Proportioner,foam Liquid,injecti — FSC 4210
  • 2 verified cross-references
  • Primary manufacturer: Tyco Fire Products Lp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Proportioner,foam Liquid,injecti, cataloged under National Stock Number 4210-01-429-4325, is classified within Federal Supply Class 4210 (No Item Name Available) of the Fire Fighting, Rescue, and Safety Equipment group. The primary manufacturer of record is Tyco Fire Products Lp. This item has 2 commercial cross-references 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.

Technical Specifications
ParameterValue
NSN4210-01-429-4325
Primary Part Number405921
Item NameProportioner,foam Liquid,injecti
FSC / FSG4210 / 42 — No Item Name Available
ManufacturerTyco Fire Products Lp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3110-00-554-5839 INTERCHANGEABLE
Bearing,ball,annular
5365-01-064-1271405921 INTERCHANGEABLE
Spacer
Telemechanics Inc
5962-01-069-0419 INTERCHANGEABLE
Microcircuit,digital
5315-01-296-0424 INTERCHANGEABLE
Pin,straight,headed
4730-01-538-1645405921 INTERCHANGEABLE
Adapter,straight,flange to Pipe
Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
405921 PRIMARY Tyco Fire Products Lp (USA)
S-405921 Tyco Fire Products Lp (USA)
Related Parts
3110-00-554-5839INTERCHANGEABLE
BEARING,BALL,ANNULAR
5365-01-064-1271INTERCHANGEABLE
SPACER
405921
5962-01-069-0419INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5315-01-296-0424INTERCHANGEABLE
PIN,STRAIGHT,HEADED
4730-01-538-1645INTERCHANGEABLE
ADAPTER,STRAIGHT,FLANGE TO PIPE
405921

Frequently Asked Questions

What is NSN 4210-01-429-4325?

NSN 4210-01-429-4325 is a Proportioner,foam Liquid,injecti, manufactured by Tyco Fire Products Lp, classified under FSC 4210 (No Item Name Available). Status: active.

What are the part numbers for NSN 4210-01-429-4325?

NSN 4210-01-429-4325 has 2 cross-referenced part numbers: 405921 (Tyco Fire Products Lp), S-405921 (Tyco Fire Products Lp).

What NSN replaces 4210-01-429-4325?

There are 5 known substitutes for 4210-01-429-4325: 3110-00-554-5839, 5365-01-064-1271, 5962-01-069-0419 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 405921?

Key specifications for 405921: End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 1 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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