PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS9058-20Back-Up Ring,preformed Packing

Sae International Dba Sae International · NSN 5330-00-585-8200 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-585-8200 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-585-8200. Primary manufacturer part number: MS9058-20.
Features
  • Back-Up Ring,preformed Packing — FSC 5330
  • Cross-Sectional Height: 0.069 INCHES MINIMUM AND 0.077 INCHES MAXIMUM IN
  • Center Hole Diameter: 1.503 INCHES NOMINAL IN
  • Material Document and Classification: AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE
  • Peripheral Diameter: 1.841 INCHES NOMINAL IN
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE
  • 9 verified cross-references
  • Primary manufacturer: Sae International Dba Sae International
Applications
  • Applications requiring Plastic Polytetrafluoroethylene construction
General Description

The Back-Up Ring,preformed Packing, cataloged under National Stock Number 5330-00-585-8200, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sae International Dba Sae International. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-585-8200
Primary Part NumberMS9058-20
Item NameBack-Up Ring,preformed Packing
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusCANCELLED
Cross-Sectional Height0.069 INCHES MINIMUM AND 0.077 INCHES MAXIMUM IN
Center Hole Diameter1.503 INCHES NOMINAL IN
Material Document and ClassificationAMS 3651 ASSN STD SINGLE MATERIAL RESPONSE
Peripheral Diameter1.841 INCHES NOMINAL IN
MaterialPLASTIC POLYTETRAFLUOROETHYLENE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3990-00-111-0230 INTERCHANGEABLE
Rod,wiper
5330-00-329-9668MS9058-10 INTERCHANGEABLE
Back-Up Ring,preformed Packing
Sae International Dba Sae International
5330-00-415-2193MS9058-32 INTERCHANGEABLE
Back-Up Ring,preformed Packing
Sae International Dba Sae International
5330-00-515-3432MS9058-05 INTERCHANGEABLE
Back-Up Ring,preformed Packing
Sae International Dba Sae International
5330-00-527-91065R15-16 INTERCHANGEABLE
Back-Up Ring,preformed Packing
Steelcase Inc.
5330-00-527-91075R15-12 INTERCHANGEABLE
Back-Up Ring,preformed Packing
The Boeing Company Div Legacy Am&m
5330-00-559-19395475-0600 INTERCHANGEABLE
Back-Up Ring,preformed Packing
Kidde-Fenwal, Llc
5330-00-582-7486MS9058-03 INTERCHANGEABLE
Back-Up Ring,preformed Packing
Sae International Dba Sae International
5330-00-722-4969AS9058-6 INTERCHANGEABLE
Back-Up Ring,preformed Packing
Sae International Dba Sae International
5330-00-802-5631MS9058-24 INTERCHANGEABLE
Back-Up Ring,preformed Packing
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
SR2619-20 Trelleborg Sealing Solutions Us, Inc. (USA)
MS9058-20 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
CVC4230-20 Triumph Aerostructures, Llc Dba Triumph Aerostructures - Vought Integrated Programs Division (USA)
MS9058-20 PRIMARY Sae International Dba Sae International (USA)
5R15-20 Rockwell International Corp North American Aircraft Opns (USA)
MS9058-20 Society of Automotive Engineers Inc (USA)
7090-20 Dodge-Wasmund Manufacturing Inc (USA)
5330005858200 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
SAE-AS9058 Sae International Dba Sae International (USA)
Related Parts
3990-00-111-0230INTERCHANGEABLE
ROD,WIPER
5330-00-329-9668INTERCHANGEABLE
BACK-UP RING,PREFORMED PACKING
MS9058-10
5330-00-415-2193INTERCHANGEABLE
BACK-UP RING,PREFORMED PACKING
MS9058-32
5330-00-515-3432INTERCHANGEABLE
BACK-UP RING,PREFORMED PACKING
MS9058-05
5330-00-527-9106INTERCHANGEABLE
BACK-UP RING,PREFORMED PACKING
5R15-16
5330-00-527-9107INTERCHANGEABLE
BACK-UP RING,PREFORMED PACKING
5R15-12
5330-00-559-1939INTERCHANGEABLE
BACK-UP RING,PREFORMED PACKING
5475-0600
5330-00-582-7486INTERCHANGEABLE
BACK-UP RING,PREFORMED PACKING
MS9058-03
5330-00-722-4969INTERCHANGEABLE
BACK-UP RING,PREFORMED PACKING
AS9058-6
5330-00-802-5631INTERCHANGEABLE
BACK-UP RING,PREFORMED PACKING
MS9058-24
5330-00-805-6039INTERCHANGEABLE
BACK-UP RING,PREFORMED PACKING
MS9058-02
6615-01-172-9182INTERCHANGEABLE
PANEL ASSEMBLY,TEST
709020

Frequently Asked Questions

What is NSN 5330-00-585-8200?

NSN 5330-00-585-8200 is a Back-Up Ring,preformed Packing, manufactured by Sae International Dba Sae International, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-585-8200?

NSN 5330-00-585-8200 has 9 cross-referenced part numbers: SR2619-20 (Trelleborg Sealing Solutions Us, Inc.), MS9058-20 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), CVC4230-20 (Triumph Aerostructures, Llc Dba Triumph Aerostructures - Vought Integrated Programs Division), MS9058-20 (Sae International Dba Sae International), 5R15-20 (Rockwell International Corp North American Aircraft Opns) and 4 more.

What NSN replaces 5330-00-585-8200?

There are 12 known substitutes for 5330-00-585-8200: 3990-00-111-0230, 5330-00-329-9668, 5330-00-415-2193 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS9058-20?

Key specifications for MS9058-20: Cross-Sectional Height: 0.069 INCHES MINIMUM AND 0.077 INCHES MAXIMUM IN; Special Features: JOINT TYPE: SCARF-PERIPHERAL RETAINER; Center Hole Diameter: 1.503 INCHES NOMINAL IN; Material Document and Classification: AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-585-8200 still in active supply?

NSN 5330-00-585-8200 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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