PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS9058-02Back-Up Ring,preformed Packing

Sae International Dba Sae International · NSN 5330-00-805-6039 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-805-6039 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-805-6039. Primary manufacturer part number: MS9058-02.
Features
  • Back-Up Ring,preformed Packing — FSC 5330
  • Cross-Sectional Height: 0.056 INCHES NOMINAL IN
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE
  • Peripheral Diameter: 0.470 INCHES NOMINAL IN
  • Center Hole Diameter: 0.246 INCHES NOMINAL IN
  • 7 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 5330-00-805-6039, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 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
NSN5330-00-805-6039
Primary Part NumberMS9058-02
Item NameBack-Up Ring,preformed Packing
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusCANCELLED
Cross-Sectional Height0.056 INCHES NOMINAL IN
MaterialPLASTIC POLYTETRAFLUOROETHYLENE
Peripheral Diameter0.470 INCHES NOMINAL IN
Center Hole Diameter0.246 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
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
5330-00-585-8200MS9058-20 INTERCHANGEABLE
Back-Up Ring,preformed Packing
Sae International Dba Sae International
4720-00-720-4278900622-1-1680 INTERCHANGEABLE
Tubing,nonmetallic
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
5330-00-722-4969AS9058-6 INTERCHANGEABLE
Back-Up Ring,preformed Packing
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
AMS3651B Society of Automotive Engineers Inc (USA)
MS9484-02 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS9058-02 PRIMARY Sae International Dba Sae International (USA)
MS9058-02 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS9058-02 Society of Automotive Engineers Inc (USA)
AMS3651B Sae International Dba Sae International (USA)
SAE-AS9058 Sae International Dba Sae International (USA)
Related Parts
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
5330-00-585-8200INTERCHANGEABLE
BACK-UP RING,PREFORMED PACKING
MS9058-20
4720-00-720-4278INTERCHANGEABLE
TUBING,NONMETALLIC
900622-1-1680
5330-00-722-4969INTERCHANGEABLE
BACK-UP RING,PREFORMED PACKING
AS9058-6
5330-00-802-5631INTERCHANGEABLE
BACK-UP RING,PREFORMED PACKING
MS9058-24
5330-01-630-7030INTERCHANGEABLE
BACK-UP RING,PREFORMED PACKING
MS9058-4

Frequently Asked Questions

What is NSN 5330-00-805-6039?

NSN 5330-00-805-6039 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 5330-00-805-6039?

NSN 5330-00-805-6039 has 7 cross-referenced part numbers: AMS3651B (Society of Automotive Engineers Inc), MS9484-02 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS9058-02 (Sae International Dba Sae International), MS9058-02 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS9058-02 (Society of Automotive Engineers Inc) and 2 more.

What NSN replaces 5330-00-805-6039?

There are 12 known substitutes for 5330-00-805-6039: 5330-00-329-9668, 5330-00-415-2193, 5330-00-515-3432 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS9058-02?

Key specifications for MS9058-02: Cross-Sectional Height: 0.056 INCHES NOMINAL IN; Special Features: JOINT TYPE: SCARF-PERIPHERAL RETAINER; Material: PLASTIC POLYTETRAFLUOROETHYLENE; Peripheral Diameter: 0.470 INCHES NOMINAL IN. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-805-6039 still in active supply?

NSN 5330-00-805-6039 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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