PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

875904Arm,sensor

Valcor Engineering Corporation · NSN 1630-00-463-8728 · FSC 1630 · No Item Name Available
Verified by PartsTable
NSN 1630-00-463-8728 — this item is cataloged by the U.S. Government under National Stock Number 1630-00-463-8728. Primary manufacturer part number: 875904.
Features
  • Arm,sensor — FSC 1630
  • General Characteristics Item Description: CONSISTS OF 1 CASTING,SENSOR ARM,ALUMINUM,P/N 277643;1 GROOVE PIN 0.188 IN. DIA X 0.625 IN. LG,CRES,P/N 5433-6610;1 INSERT,HELICAL COIL,CRES,P/N 6092-1100;4 INSERT,HELICAL COIL,CRES,P/N 5669-0400;4 INSERT,HELICAL COIL,CRES,P/N 5470-1100;ANODIZE,TYPE 2 PER MIL-A-8625 CASTING,SENSOR ARM PRIOR TO ASSEMBLY OF PIN AND HELI-COILS IN
  • 3 verified cross-references
  • Primary manufacturer: Valcor Engineering Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Arm,sensor, cataloged under National Stock Number 1630-00-463-8728, is classified within Federal Supply Class 1630 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Valcor Engineering Corporation. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, 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
NSN1630-00-463-8728
Primary Part Number875904
Item NameArm,sensor
FSC / FSG1630 / 16 — No Item Name Available
ManufacturerValcor Engineering Corporation
StatusACTIVE
General Characteristics Item DescriptionCONSISTS OF 1 CASTING,SENSOR ARM,ALUMINUM,P/N 277643;1 GROOVE PIN 0.188 IN. DIA X 0.625 IN. LG,CRES,P/N 5433-6610;1 INSERT,HELICAL COIL,CRES,P/N 6092-1100;4 INSERT,HELICAL COIL,CRES,P/N 5669-0400;4 INSERT,HELICAL COIL,CRES,P/N 5470-1100;ANODIZE,TYPE 2 PER MIL-A-8625 CASTING,SENSOR ARM PRIOR TO ASSEMBLY OF PIN AND HELI-COILS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4820-01-004-818880522 INTERCHANGEABLE
Diaphragm,valve,flat
Griswold Industries Dba Cla-Val Co
5342-01-372-56191672-0361 INTERCHANGEABLE
Mount,resilient,weapon System
Wabtec Components Llc
Cross-Reference Index
Part NumberManufacturer
875904 PRIMARY Valcor Engineering Corporation (USA)
80522 PRIMARY Lourdes Industries, Inc. (USA)
875904 Kidde-Fenwal, Llc (USA)
Related Parts
4820-01-004-8188INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
80522
5342-01-372-5619INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
1672-0361

Frequently Asked Questions

What is NSN 1630-00-463-8728?

NSN 1630-00-463-8728 is a Arm,sensor, manufactured by Valcor Engineering Corporation, classified under FSC 1630 (No Item Name Available). Status: active.

What are the part numbers for NSN 1630-00-463-8728?

NSN 1630-00-463-8728 has 3 cross-referenced part numbers: 875904 (Valcor Engineering Corporation), 80522 (Lourdes Industries, Inc.), 875904 (Kidde-Fenwal, Llc).

What NSN replaces 1630-00-463-8728?

There are 2 known substitutes for 1630-00-463-8728: 4820-01-004-8188, 5342-01-372-5619. Verify interchangeability with system specifications before substitution.

What are the specifications of 875904?

Key specifications for 875904: General Characteristics Item Description: CONSISTS OF 1 CASTING,SENSOR ARM,ALUMINUM,P/N 277643;1 GROOVE PIN 0.188 IN. DIA X 0.625 IN. LG,CRES,P/N 5433-6610;1 INSERT,HELICAL COIL,CRES,P/N 6092-1100;4 INSERT,HELICAL COIL,CRES,P/N 5669-0400;4 INSERT,HELICAL COIL,CRES,P/N 5470-1100;ANODIZE,TYPE 2 PER MIL-A-8625 CASTING,SENSOR ARM PRIOR TO ASSEMBLY OF PIN AND HELI-COILS IN. 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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