PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

421700Diffuser

Simmonds Precision Products Inc · NSN 6610-00-143-7378 · FSC 6610 · No Item Name Available
Verified by PartsTable
NSN 6610-00-143-7378 — this item is cataloged by the U.S. Government under National Stock Number 6610-00-143-7378. Primary manufacturer part number: 421700.
Features
  • Diffuser — FSC 6610
  • General Characteristics Item Description: PLASTIC,2.700 IN. LG,0.300 IN. W,0.570 IN. H IN
  • FSC Application Data: INDICATOR,POSITION
  • 1 verified cross-reference
  • Primary manufacturer: Simmonds Precision Products Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Diffuser, cataloged under National Stock Number 6610-00-143-7378, is classified within Federal Supply Class 6610 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Simmonds Precision Products Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). 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
NSN6610-00-143-7378
Primary Part Number421700
Item NameDiffuser
FSC / FSG6610 / 66 — No Item Name Available
ManufacturerSimmonds Precision Products Inc
StatusACTIVE
General Characteristics Item DescriptionPLASTIC,2.700 IN. LG,0.300 IN. W,0.570 IN. H IN
FSC Application DataINDICATOR,POSITION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5930-00-741-26427388813 INTERCHANGEABLE
Switch,pressure
U S Army Tank Automotive Command Amsta-Im-Mm
5963-01-543-3619421884 INTERCHANGEABLE
Electronic Module,standardized
Kidde Technologies Inc Dba Kidde Dual Spectrum Div Kidde Dual Spectrum
Cross-Reference Index
Part NumberManufacturer
421700 PRIMARY Simmonds Precision Products Inc (USA)
Related Parts
5930-00-741-2642INTERCHANGEABLE
SWITCH,PRESSURE
7388813
5963-01-543-3619INTERCHANGEABLE
ELECTRONIC MODULE,STANDARDIZED
421884

Frequently Asked Questions

What is NSN 6610-00-143-7378?

NSN 6610-00-143-7378 is a Diffuser, manufactured by Simmonds Precision Products Inc, classified under FSC 6610 (No Item Name Available). Status: active.

What are the part numbers for NSN 6610-00-143-7378?

NSN 6610-00-143-7378 has 1 cross-referenced part number: 421700 (Simmonds Precision Products Inc).

What NSN replaces 6610-00-143-7378?

There are 2 known substitutes for 6610-00-143-7378: 5930-00-741-2642, 5963-01-543-3619. Verify interchangeability with system specifications before substitution.

What are the specifications of 421700?

Key specifications for 421700: General Characteristics Item Description: PLASTIC,2.700 IN. LG,0.300 IN. W,0.570 IN. H IN; FSC Application Data: INDICATOR,POSITION. 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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