PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

27217Seal Ring,metal

Napco International Llc Dba Napco International Inc · NSN 5330-00-877-8322 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-877-8322 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-877-8322. Primary manufacturer part number: 27217.
Features
  • Seal Ring,metal — FSC 5330
  • Radial Wall Thickness: 0.0500 INCHES MINIMUM AND 0.0600 INCHES MAXIMUM IN
  • Material Document and Classification: QQ-I-652,CLASS 50 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Ring Style: EXPANDING CONCENTRIC
  • Joint Style: VERTICAL JOINT
  • FSC Application Data: DIESEL ENGINE
  • Material: IRON OVERALL
  • Outside Diameter: 1.131 INCHES MINIMUM AND 1.133 INCHES MAXIMUM IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Iron Overall construction
General Description

The Seal Ring,metal, cataloged under National Stock Number 5330-00-877-8322, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Napco International Llc Dba Napco International Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN5330-00-877-8322
Primary Part Number27217
Item NameSeal Ring,metal
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerNapco International Llc Dba Napco International Inc
StatusCANCELLED
Radial Wall Thickness0.0500 INCHES MINIMUM AND 0.0600 INCHES MAXIMUM IN
Material Document and ClassificationQQ-I-652,CLASS 50 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Ring StyleEXPANDING CONCENTRIC
Joint StyleVERTICAL JOINT
FSC Application DataDIESEL ENGINE
MaterialIRON OVERALL
Outside Diameter1.131 INCHES MINIMUM AND 1.133 INCHES MAXIMUM IN
Cross-Sectional Shape StylePLAIN RECTANGULAR, STRAIGHT FACE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-052-6746120-70203-02 INTERCHANGEABLE
Retainer and Rollers,bearing
Danfoss Power Solutions II, Llc
5940-00-114-1300MS20659-105 INTERCHANGEABLE
Terminal,lug
Sae International Dba Sae International
2990-00-328-5162190-9333 INTERCHANGEABLE
Muffler,exhaust
Stemco Inc Sub of Coltec Industries Inc
2805-00-546-00841-413 INTERCHANGEABLE
Valve,poppet,engine
Clevite an Imperial Clevite Co Powder Metal Products Div
8140-00-715-616262B21711 INTERCHANGEABLE
Pad,cushioning
Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss)
1630-00-945-12655003174 INTERCHANGEABLE
Disc,brake
Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems
5325-01-020-9342 INTERCHANGEABLE
Ring,retaining
4940-01-117-905331410 INTERCHANGEABLE
Tank
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
5325-01-197-3378N5000-275 INTERCHANGEABLE
Ring,retaining
Rotor Clip Company, Inc.
4820-01-306-4539 INTERCHANGEABLE
Valve,regulating,system Pressure
Cross-Reference Index
Part NumberManufacturer
27217 PRIMARY Napco International Llc Dba Napco International Inc (USA)
31410 Napco International Llc Dba Napco International Inc (USA)
Related Parts
3110-00-052-6746INTERCHANGEABLE
RETAINER AND ROLLERS,BEARING
120-70203-02
5940-00-114-1300INTERCHANGEABLE
TERMINAL,LUG
MS20659-105
2990-00-328-5162INTERCHANGEABLE
MUFFLER,EXHAUST
190-9333
2805-00-546-0084INTERCHANGEABLE
VALVE,POPPET,ENGINE
1-413
8140-00-715-6162INTERCHANGEABLE
PAD,CUSHIONING
62B21711
1630-00-945-1265INTERCHANGEABLE
DISC,BRAKE
5003174
5325-01-020-9342INTERCHANGEABLE
RING,RETAINING
4940-01-117-9053INTERCHANGEABLE
TANK
31410
5325-01-197-3378INTERCHANGEABLE
RING,RETAINING
N5000-275
4820-01-306-4539INTERCHANGEABLE
VALVE,REGULATING,SYSTEM PRESSURE
6810-01-460-6769INTERCHANGEABLE
DEMINERALIZED WATER
272-17
5895-01-567-0197INTERCHANGEABLE
CONTROL,INTERFACE
4001-310141-27217

Frequently Asked Questions

What is NSN 5330-00-877-8322?

NSN 5330-00-877-8322 is a Seal Ring,metal, manufactured by Napco International Llc Dba Napco International Inc, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-877-8322?

NSN 5330-00-877-8322 has 2 cross-referenced part numbers: 27217 (Napco International Llc Dba Napco International Inc), 31410 (Napco International Llc Dba Napco International Inc).

What NSN replaces 5330-00-877-8322?

There are 12 known substitutes for 5330-00-877-8322: 3110-00-052-6746, 5940-00-114-1300, 2990-00-328-5162 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 27217?

Key specifications for 27217: Radial Wall Thickness: 0.0500 INCHES MINIMUM AND 0.0600 INCHES MAXIMUM IN; Overall Width: 0.1230 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM IN; Material Document and Classification: QQ-I-652,CLASS 50 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Ring Style: EXPANDING CONCENTRIC. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-877-8322 still in active supply?

NSN 5330-00-877-8322 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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