PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

19772Bar,test

Esco Inc · NSN 6635-00-204-3323 · FSC 6635 · No Item Name Available
Verified by PartsTable
NSN 6635-00-204-3323 — this item is cataloged by the U.S. Government under National Stock Number 6635-00-204-3323. Primary manufacturer part number: 19772.
Features
  • Bar,test — FSC 6635
  • 1 verified cross-reference
  • Primary manufacturer: Esco Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Bar,test, cataloged under National Stock Number 6635-00-204-3323, is classified within Federal Supply Class 6635 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Esco Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6635-00-204-3323
Primary Part Number19772
Item NameBar,test
FSC / FSG6635 / 66 — No Item Name Available
ManufacturerEsco Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5360-00-113-091819772 INTERCHANGEABLE
Spring,helical,compression
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5360-00-252-846219772 INTERCHANGEABLE
Spring,helical,compression
Brinkley Technology Group Llc Dba Hercules Manufacturing
4820-00-721-9927 INTERCHANGEABLE
Valve,check
2815-00-785-189819772 INTERCHANGEABLE
Ring,piston
Napco International Llc Dba Napco International Inc
5940-01-082-46801977.2 INTERCHANGEABLE
Terminal,special
Weidmueller Terminations Inc
5998-01-326-034119772 INTERCHANGEABLE
Circuit Card Assembly
Datum Inc Bancomm-Timing Div
Cross-Reference Index
Part NumberManufacturer
19772 Esco Inc (USA)
Related Parts
5360-00-113-0918INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
19772
5360-00-252-8462INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
19772
4820-00-721-9927INTERCHANGEABLE
VALVE,CHECK
2815-00-785-1898INTERCHANGEABLE
RING,PISTON
19772
5940-01-082-4680INTERCHANGEABLE
TERMINAL,SPECIAL
1977.2
5998-01-326-0341INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
19772

Frequently Asked Questions

What is NSN 6635-00-204-3323?

NSN 6635-00-204-3323 is a Bar,test, manufactured by Esco Inc, classified under FSC 6635 (No Item Name Available). Status: active.

What are the part numbers for NSN 6635-00-204-3323?

NSN 6635-00-204-3323 has 1 cross-referenced part number: 19772 (Esco Inc).

What NSN replaces 6635-00-204-3323?

There are 6 known substitutes for 6635-00-204-3323: 5360-00-113-0918, 5360-00-252-8462, 4820-00-721-9927 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 19772?

Key specifications for 19772: End Item Identification: 6635-00-530-1129 TENSIOMETER DIAL. 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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