PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16268Seal Ring,metal

Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. · NSN 5330-00-166-0754 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-166-0754 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-166-0754. Primary manufacturer part number: 16268.
Features
  • Seal Ring,metal — FSC 5330
  • Material Document and Classification: AMS 7320B ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Ring Style: EXPANDING CONCENTRIC
  • Material: COPPER ALLOY 928 OVERALL
  • FSC Application Data: ACFT ENG R1820
  • Surface Treatment Document and Classification: AMS 2414 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
  • Radial Wall Thickness: 0.1900 INCHES MINIMUM AND 0.2000 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Copper Alloy 928 Overall construction
General Description

The Seal Ring,metal, cataloged under National Stock Number 5330-00-166-0754, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5330-00-166-0754
Primary Part Number16268
Item NameSeal Ring,metal
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerPratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
StatusACTIVE
Material Document and ClassificationAMS 7320B ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Ring StyleEXPANDING CONCENTRIC
MaterialCOPPER ALLOY 928 OVERALL
FSC Application DataACFT ENG R1820
Surface Treatment Document and ClassificationAMS 2414 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Radial Wall Thickness0.1900 INCHES MINIMUM AND 0.2000 INCHES MAXIMUM IN
Cross-Sectional Shape StylePLAIN RECTANGULAR, STRAIGHT FACE
Surface TreatmentLEAD OVERALL
Joint StyleVERTICAL JOINT
Metallic Hardness Rating72.0 MINIMUM ROCKWELL B AND 82.0 MAXIMUM ROCKWELL B
Outside Diameter5.1240 INCHES MINIMUM AND 5.1250 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3510-00-057-852216268 INTERCHANGEABLE
Cam Follower,table
Unipress Corporation
3455-00-242-6214 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
5120-00-521-0569TL633U INTERCHANGEABLE
Mechanical Linkage
Joint Electronics Type Designation System
5365-01-276-973116268 INTERCHANGEABLE
Spacer,plate
Chicago Steel Tape Co Inc Berger Instruments Co Inc
6515-01-590-6349207.668 INTERCHANGEABLE
Screw,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
16268 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
AS16268 Aircraft Supplies (USA)
16268 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
Related Parts
3510-00-057-8522INTERCHANGEABLE
CAM FOLLOWER,TABLE
16268
3455-00-242-6214INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
5120-00-521-0569INTERCHANGEABLE
MECHANICAL LINKAGE
TL633U
5365-01-276-9731INTERCHANGEABLE
SPACER,PLATE
16268
6515-01-590-6349INTERCHANGEABLE
SCREW,BONE
207.668

Frequently Asked Questions

What is NSN 5330-00-166-0754?

NSN 5330-00-166-0754 is a Seal Ring,metal, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-166-0754?

NSN 5330-00-166-0754 has 3 cross-referenced part numbers: 16268 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), AS16268 (Aircraft Supplies), 16268 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).

What NSN replaces 5330-00-166-0754?

There are 5 known substitutes for 5330-00-166-0754: 3510-00-057-8522, 3455-00-242-6214, 5120-00-521-0569 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16268?

Key specifications for 16268: Overall Width: 0.1230 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM IN; Material Document and Classification: AMS 7320B ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Ring Style: EXPANDING CONCENTRIC; Material: COPPER ALLOY 928 OVERALL. 12 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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