PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ZZ-R-765Nonmetallic Special Shaped Secti

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 9390-00-012-4489 · FSC 9390 · No Item Name Available
Verified by PartsTable
NSN 9390-00-012-4489 — this item is cataloged by the U.S. Government under National Stock Number 9390-00-012-4489. Primary manufacturer part number: ZZ-R-765.
Features
  • Nonmetallic Special Shaped Secti — FSC 9390
  • Nonmetallic Hardness Rating: 45.0 MINIMUM SHORE DUROMETER A AND 55.0 MAXIMUM SHORE DUROMETER A
  • Environmental Protection: HIGH TEMPERATURE
  • Base Flange Thickness: 0.062 INCHES NOMINAL IN
  • Temp Rating: -62.0 CELSIUS AND 219.0 CELSIUS DEGC
  • Nondefinitive Spec/std Data: 2B CLASS AND 50 GRADE
  • Material: RUBBER SILICONE CLASS Q
  • Inside Radius: 0.063 INCHES NOMINAL IN
Applications
  • Applications requiring Rubber Silicone Class Q construction
General Description

The Nonmetallic Special Shaped Secti, cataloged under National Stock Number 9390-00-012-4489, is classified within Federal Supply Class 9390 (No Item Name Available) of the Nonmetallic Fabricated Materials group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 8 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9390-00-012-4489
Primary Part NumberZZ-R-765
Item NameNonmetallic Special Shaped Secti
FSC / FSG9390 / 93 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Nonmetallic Hardness Rating45.0 MINIMUM SHORE DUROMETER A AND 55.0 MAXIMUM SHORE DUROMETER A
Environmental ProtectionHIGH TEMPERATURE
Base Flange Thickness0.062 INCHES NOMINAL IN
Temp Rating-62.0 CELSIUS AND 219.0 CELSIUS DEGC
Nondefinitive Spec/std Data2B CLASS AND 50 GRADE
MaterialRUBBER SILICONE CLASS Q
Inside Radius0.063 INCHES NOMINAL IN
Outside Radius0.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5330-00-252-5878X301 INTERCHANGEABLE
Seal,nonmetallic Special Shaped
Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring
9390-00-286-7371 INTERCHANGEABLE
Nonmetallic Special Shaped Secti
5330-00-641-2285QR0059 INTERCHANGEABLE
Packing Material
Rauland-Borg Corp
9390-00-886-8177 INTERCHANGEABLE
Nonmetallic Special Shaped Secti
5330-01-400-1048SKB-465 ITEM X301 INTERCHANGEABLE
Retainer,packing
Coffin Turbo Pump Inc
7025-01-608-1335X-301 INTERCHANGEABLE
Interface Unit,data Transfer
Controlbyweb Llc Dba Controlbyweb Div Controlbyweb
Cross-Reference Index
Part NumberManufacturer
ZZ-R-765 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
X-301 Atlantic India Rubber Co Inc (USA)
Related Parts
5330-00-252-5878INTERCHANGEABLE
SEAL,NONMETALLIC SPECIAL SHAPED
X301
9390-00-286-7371INTERCHANGEABLE
NONMETALLIC SPECIAL SHAPED SECTI
5330-00-641-2285INTERCHANGEABLE
PACKING MATERIAL
QR0059
9390-00-886-8177INTERCHANGEABLE
NONMETALLIC SPECIAL SHAPED SECTI
5330-01-400-1048INTERCHANGEABLE
RETAINER,PACKING
SKB-465 ITEM X301
7025-01-608-1335INTERCHANGEABLE
INTERFACE UNIT,DATA TRANSFER
X-301

Frequently Asked Questions

What is NSN 9390-00-012-4489?

NSN 9390-00-012-4489 is a Nonmetallic Special Shaped Secti, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 9390 (No Item Name Available). Status: active.

What are the part numbers for NSN 9390-00-012-4489?

NSN 9390-00-012-4489 has 2 cross-referenced part numbers: ZZ-R-765 (Federal Specifications Promulgated by General Services Administration Washington DC), X-301 (Atlantic India Rubber Co Inc).

What NSN replaces 9390-00-012-4489?

There are 6 known substitutes for 9390-00-012-4489: 5330-00-252-5878, 9390-00-286-7371, 5330-00-641-2285 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ZZ-R-765?

Key specifications for ZZ-R-765: Nonmetallic Hardness Rating: 45.0 MINIMUM SHORE DUROMETER A AND 55.0 MAXIMUM SHORE DUROMETER A; Environmental Protection: HIGH TEMPERATURE; Base Flange Thickness: 0.062 INCHES NOMINAL IN; Temp Rating: -62.0 CELSIUS AND 219.0 CELSIUS DEGC. 10 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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