PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

820-7334457-5Collar,gas Flo Chm

Naval Sea Systems Command · NSN 6630-01-517-6855 · FSC 6630 · No Item Name Available
Verified by PartsTable
NSN 6630-01-517-6855 — this item is cataloged by the U.S. Government under National Stock Number 6630-01-517-6855. Primary manufacturer part number: 820-7334457-5.
Features
  • Collar,gas Flo Chm — FSC 6630
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATION
  • 2 verified cross-references
  • Primary manufacturer: Naval Sea Systems Command
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Collar,gas Flo Chm, cataloged under National Stock Number 6630-01-517-6855, is classified within Federal Supply Class 6630 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 2 verified specifications, 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6630-01-517-6855
Primary Part Number820-7334457-5
Item NameCollar,gas Flo Chm
FSC / FSG6630 / 66 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5950-00-504-915428104 INTERCHANGEABLE
Reactor
Raytheon Company Dba Raytheon
5340-00-517-52605175260 INTERCHANGEABLE
Seat,helical Compression Spring
U S Army Tank Automotive Command Amsta-Im-Mm
2530-00-906-2560 INTERCHANGEABLE
Brake Shoe Set
5910-01-321-93910281040001 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
Riimic, Llc Dba Sunair Electronics
5365-01-719-412728-104 INTERCHANGEABLE
Bushing,sleeve
Cen-Tex Marine Fabricators, Inc
Cross-Reference Index
Part NumberManufacturer
820-7334457-5 Naval Sea Systems Command (USA)
28104 Orbisphere Laboratories Overseas Corp Dba Orbisphere (USA)
Related Parts
5950-00-504-9154INTERCHANGEABLE
REACTOR
28104
5340-00-517-5260INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
5175260
2530-00-906-2560INTERCHANGEABLE
BRAKE SHOE SET
5910-01-321-9391INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
0281040001
5365-01-719-4127INTERCHANGEABLE
BUSHING,SLEEVE
28-104

Frequently Asked Questions

What is NSN 6630-01-517-6855?

NSN 6630-01-517-6855 is a Collar,gas Flo Chm, manufactured by Naval Sea Systems Command, classified under FSC 6630 (No Item Name Available). Status: active.

What are the part numbers for NSN 6630-01-517-6855?

NSN 6630-01-517-6855 has 2 cross-referenced part numbers: 820-7334457-5 (Naval Sea Systems Command), 28104 (Orbisphere Laboratories Overseas Corp Dba Orbisphere).

What NSN replaces 6630-01-517-6855?

There are 5 known substitutes for 6630-01-517-6855: 5950-00-504-9154, 5340-00-517-5260, 2530-00-906-2560 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 820-7334457-5?

Key specifications for 820-7334457-5: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATION. 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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