PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

551-7Packing,preformed

Raytheon Company Dba Raytheon Co · NSN 5330-00-297-9955 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-297-9955 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-297-9955. Primary manufacturer part number: 551-7.
Features
  • Packing,preformed — FSC 5330
  • Inner Groove Width: 0.062 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: SPECIAL
  • Material: RUBBER NATURAL OVERALL
  • Cross-Sectional Height: 0.188 INCHES NOMINAL IN
  • Peripheral Diameter: 15.750 INCHES NOMINAL IN
  • Center Hole Diameter: 14.625 INCHES NOMINAL IN
  • Inner Groove Depth: 0.500 INCHES NOMINAL IN
Applications
  • Applications requiring Rubber Natural Overall construction
General Description

The Packing,preformed, cataloged under National Stock Number 5330-00-297-9955, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 7 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-297-9955
Primary Part Number551-7
Item NamePacking,preformed
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon Co
StatusACTIVE
Inner Groove Width0.062 INCHES NOMINAL IN
Cross-Sectional Shape StyleSPECIAL
MaterialRUBBER NATURAL OVERALL
Cross-Sectional Height0.188 INCHES NOMINAL IN
Peripheral Diameter15.750 INCHES NOMINAL IN
Center Hole Diameter14.625 INCHES NOMINAL IN
Inner Groove Depth0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5995-00-129-6226SC-C-22560 INTERCHANGEABLE
Cord Assembly,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3110-00-144-8884061-8 INTERCHANGEABLE
Bearing,ball,annular
Lockheed Martin Corporation Div Rms - Mitchel Field
5960-00-188-3916 INTERCHANGEABLE
Electron Tube
8020-00-262-9084608-1 INTERCHANGEABLE
Brush,varnish
Jason Incorporated Dba Osborn International a Unit of Jason
5930-00-420-36635518 INTERCHANGEABLE
Switch,toggle
Cole Hersee Company
5935-00-879-8702 INTERCHANGEABLE
Connector,plug,electrical
3110-00-946-9557 INTERCHANGEABLE
Bearing,ball,annular
5330-00-955-67705517 INTERCHANGEABLE
Gasket Set
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
4810-01-078-42095517 INTERCHANGEABLE
Seat
Avox Systems Inc Dba Avox Systems Inc
5910-01-230-78395517 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Tdk-Lambda Americas Inc. Div High Power Division
Cross-Reference Index
Part NumberManufacturer
551-7 Raytheon Company Div Corp (USA)
551-7 PRIMARY Raytheon Company Dba Raytheon Co (USA)
Related Parts
5995-00-129-6226INTERCHANGEABLE
CORD ASSEMBLY,ELECTRICAL
SC-C-22560
3110-00-144-8884INTERCHANGEABLE
BEARING,BALL,ANNULAR
061-8
5960-00-188-3916INTERCHANGEABLE
ELECTRON TUBE
8020-00-262-9084INTERCHANGEABLE
BRUSH,VARNISH
608-1
5930-00-420-3663INTERCHANGEABLE
SWITCH,TOGGLE
5518
5935-00-879-8702INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
3110-00-946-9557INTERCHANGEABLE
BEARING,BALL,ANNULAR
5330-00-955-6770INTERCHANGEABLE
GASKET SET
5517
4810-01-078-4209INTERCHANGEABLE
SEAT
5517
5910-01-230-7839INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
5517
5950-01-276-3708INTERCHANGEABLE
TRANSFORMER,POWER
5517
5330-01-440-7570INTERCHANGEABLE
SEAL,PLAIN
5517-ZD 0121924

Frequently Asked Questions

What is NSN 5330-00-297-9955?

NSN 5330-00-297-9955 is a Packing,preformed, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-297-9955?

NSN 5330-00-297-9955 has 2 cross-referenced part numbers: 551-7 (Raytheon Company Div Corp), 551-7 (Raytheon Company Dba Raytheon Co).

What NSN replaces 5330-00-297-9955?

There are 12 known substitutes for 5330-00-297-9955: 5995-00-129-6226, 3110-00-144-8884, 5960-00-188-3916 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 551-7?

Key specifications for 551-7: Inner Groove Width: 0.062 INCHES NOMINAL IN; Cross-Sectional Shape Style: SPECIAL; Material: RUBBER NATURAL OVERALL; Cross-Sectional Height: 0.188 INCHES NOMINAL IN. 7 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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