PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T571Movement Assembly

Htl Caribe Inc Sub of Pacific Scientific Co · NSN 6635-00-217-7053 · FSC 6635 · No Item Name Available
Verified by PartsTable
NSN 6635-00-217-7053 — this item is cataloged by the U.S. Government under National Stock Number 6635-00-217-7053. Primary manufacturer part number: T571.
Features
  • Movement Assembly — FSC 6635
  • General Characteristics Item Description: SELF-CONTAINED BRASS UNIT; COMPRISED OF A TOOTHED SEGMENT,PINION GEAR,SLOTTED ARM,LINK ROD SLEEVE,HAIRSPRING AND AN ADJUSTABLE STOP SCREW
  • 2 verified cross-references
  • Primary manufacturer: Htl Caribe Inc Sub of Pacific Scientific Co
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Movement Assembly, cataloged under National Stock Number 6635-00-217-7053, is classified within Federal Supply Class 6635 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Htl Caribe Inc Sub of Pacific Scientific Co. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6635-00-217-7053
Primary Part NumberT571
Item NameMovement Assembly
FSC / FSG6635 / 66 — No Item Name Available
ManufacturerHtl Caribe Inc Sub of Pacific Scientific Co
StatusACTIVE
General Characteristics Item DescriptionSELF-CONTAINED BRASS UNIT; COMPRISED OF A TOOTHED SEGMENT,PINION GEAR,SLOTTED ARM,LINK ROD SLEEVE,HAIRSPRING AND AN ADJUSTABLE STOP SCREW
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5330-00-285-51188672320 INTERCHANGEABLE
Felt,mechanical,preformed
U S Army Tank Automotive Command Amsta-Im-Mm
6685-00-526-9428 INTERCHANGEABLE
Thermometer,self-Indicating
6685-00-843-70555640-01 INTERCHANGEABLE
Thermometer,self-Indicating
Ametek, Inc. Div Aerospace & Defense
Cross-Reference Index
Part NumberManufacturer
T571 Htl Caribe Inc Sub of Pacific Scientific Co (USA)
T571 Meggitt Safety Systems, Inc. Dba Meggitt Control Systems-Ventura County (USA)
Related Parts
5330-00-285-5118INTERCHANGEABLE
FELT,MECHANICAL,PREFORMED
8672320
6685-00-526-9428INTERCHANGEABLE
THERMOMETER,SELF-INDICATING
6685-00-843-7055INTERCHANGEABLE
THERMOMETER,SELF-INDICATING
5640-01

Frequently Asked Questions

What is NSN 6635-00-217-7053?

NSN 6635-00-217-7053 is a Movement Assembly, manufactured by Htl Caribe Inc Sub of Pacific Scientific Co, classified under FSC 6635 (No Item Name Available). Status: active.

What are the part numbers for NSN 6635-00-217-7053?

NSN 6635-00-217-7053 has 2 cross-referenced part numbers: T571 (Htl Caribe Inc Sub of Pacific Scientific Co), T571 (Meggitt Safety Systems, Inc. Dba Meggitt Control Systems-Ventura County).

What NSN replaces 6635-00-217-7053?

There are 3 known substitutes for 6635-00-217-7053: 5330-00-285-5118, 6685-00-526-9428, 6685-00-843-7055. Verify interchangeability with system specifications before substitution.

What are the specifications of T571?

Key specifications for T571: General Characteristics Item Description: SELF-CONTAINED BRASS UNIT; COMPRISED OF A TOOTHED SEGMENT,PINION GEAR,SLOTTED ARM,LINK ROD SLEEVE,HAIRSPRING AND AN ADJUSTABLE STOP SCREW; End Item Identification: 6635-00-481-5740 TENSIOMETER DIAL; 6635-00-508-2700 TENSIOMETER DIAL. 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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