PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C-25Test Block

Page-Wilson Corp Measurement Systems · NSN 6635-01-127-9830 · FSC 6635 · No Item Name Available
Verified by PartsTable
NSN 6635-01-127-9830 — this item is cataloged by the U.S. Government under National Stock Number 6635-01-127-9830. Primary manufacturer part number: C-25.
Features
  • Test Block — FSC 6635
  • 1 verified cross-reference
  • Primary manufacturer: Page-Wilson Corp Measurement Systems
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Test Block, cataloged under National Stock Number 6635-01-127-9830, is classified within Federal Supply Class 6635 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Page-Wilson Corp Measurement Systems. This item has 1 commercial cross-reference 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.

Catalog Facts
Item NameTest Block
FSC / FSG6635 — No Item Name Available (FSG 66)
ManufacturersPage-Wilson Corp Measurement Systems (CAGE 82729)
Technical Specifications
ParameterValue
NSN6635-01-127-9830
Primary Part NumberC-25
Item NameTest Block
FSC / FSG6635 / 66 — No Item Name Available
ManufacturerPage-Wilson Corp Measurement Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-007-4677C-25 INTERCHANGEABLE
Cap,quick Disconnect
Parker Hannifin Corporation Dba Quick Coupling Div Div Quick Coupling Division Bruning Operation
5130-00-134-7591C2-5 INTERCHANGEABLE
Chuck,fastener Installation Tool
Hi-Shear Corporation
2940-00-141-9026 INTERCHANGEABLE
Filter Element,fluid
5905-00-283-2650 INTERCHANGEABLE
Resistor,fixed,film
4410-00-383-7987 INTERCHANGEABLE
Cup,piston
5340-00-497-4586711698-132 INTERCHANGEABLE
Clamp,synchro
Raytheon Company Div Rmd Strategic
3455-00-551-3124 INTERCHANGEABLE
File,rotary
5930-00-552-8249 INTERCHANGEABLE
Switch,sensitive
5910-00-648-8805 INTERCHANGEABLE
Capacitor,fixed,electrolytic
3120-00-661-6664C25 INTERCHANGEABLE
Bearing,sleeve
Butterworth, Inc.
Cross-Reference Index
Part NumberManufacturer
C-25 Page-Wilson Corp Measurement Systems (USA)
Related Parts
4730-00-007-4677INTERCHANGEABLE
CAP,QUICK DISCONNECT
C-25
5130-00-134-7591INTERCHANGEABLE
CHUCK,FASTENER INSTALLATION TOOL
C2-5
2940-00-141-9026INTERCHANGEABLE
FILTER ELEMENT,FLUID
5905-00-283-2650INTERCHANGEABLE
RESISTOR,FIXED,FILM
4410-00-383-7987INTERCHANGEABLE
CUP,PISTON
5340-00-497-4586INTERCHANGEABLE
CLAMP,SYNCHRO
711698-132
3455-00-551-3124INTERCHANGEABLE
FILE,ROTARY
5930-00-552-8249INTERCHANGEABLE
SWITCH,SENSITIVE
5910-00-648-8805INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
3120-00-661-6664INTERCHANGEABLE
BEARING,SLEEVE
C25
5315-00-821-9776INTERCHANGEABLE
PIN,TAPERED,PLAIN
0404-018
6645-01-110-0776INTERCHANGEABLE
HOUR TOTALIZER
C-25

Frequently Asked Questions

What is NSN 6635-01-127-9830?

NSN 6635-01-127-9830 is a Test Block, manufactured by Page-Wilson Corp Measurement Systems, classified under FSC 6635 (No Item Name Available). Status: active.

What are the part numbers for NSN 6635-01-127-9830?

NSN 6635-01-127-9830 has 1 cross-referenced part number: C-25 (Page-Wilson Corp Measurement Systems).

What NSN replaces 6635-01-127-9830?

There are 12 known substitutes for 6635-01-127-9830: 4730-00-007-4677, 5130-00-134-7591, 2940-00-141-9026 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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