PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10704Seal Ring,metal

Pacific Piston Ring Co Inc · NSN 5330-00-318-8444 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-318-8444 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-318-8444. Primary manufacturer part number: 10704.
Features
  • Seal Ring,metal — FSC 5330
  • Surface Treatment: PASSIVATE OVERALL
  • FSC Application Data: SERVOCYLINDER,HYDRAULIC,ACFT
  • Material: COPPER ALLOY AND STEEL CORROSION RESISTING OVERALL
  • Ring Style: EXPANDING CONCENTRIC
  • Outside Diameter: 3.122 INCHES NOMINAL IN
  • Joint Style: INTERLOCKING JOINT
  • Cross-Sectional Shape Style: PLAIN RECTANGULAR, THREE PIECE, STRAIGHT FACE
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Copper Alloy and Steel Corrosion Resisting Overall construction
General Description

The Seal Ring,metal, cataloged under National Stock Number 5330-00-318-8444, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Pacific Piston Ring Co Inc. Government technical data includes 8 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-318-8444
Primary Part Number10704
Item NameSeal Ring,metal
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerPacific Piston Ring Co Inc
StatusACTIVE
Surface TreatmentPASSIVATE OVERALL
FSC Application DataSERVOCYLINDER,HYDRAULIC,ACFT
MaterialCOPPER ALLOY AND STEEL CORROSION RESISTING OVERALL
Ring StyleEXPANDING CONCENTRIC
Outside Diameter3.122 INCHES NOMINAL IN
Joint StyleINTERLOCKING JOINT
Cross-Sectional Shape StylePLAIN RECTANGULAR, THREE PIECE, STRAIGHT FACE
Radial Wall Thickness0.1430 INCHES MINIMUM AND 0.1500 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4320-00-195-8534 INTERCHANGEABLE
Ring,wearing
5975-00-304-4930 INTERCHANGEABLE
Locknut,electrical Conduit
4820-00-446-33545579NPC30 INTERCHANGEABLE
Guide,valve Stem
Leslie Controls, Inc. Dba Leslie Controls Inc
5935-00-569-77291070-4 INTERCHANGEABLE
Adapter,tube,thermocouple
Marlin Mfg. Corp Div Marlin Manufacturing Corporation
5331-00-972-46942-115N674-70 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
4310-01-005-361010704 INTERCHANGEABLE
Piston,cylinder
Mako Compressors, Llc
5305-01-195-917310704 INTERCHANGEABLE
Screw,sewing Machine
Consolidated Sewing Machine Corp
5985-01-482-367110704 INTERCHANGEABLE
Antenna
Universal Avionics Systems Corp
5325-01-601-868110704 INTERCHANGEABLE
Grommet,nonmetallic
Truck-Lite Co., Llc
5120-01-654-1843 INTERCHANGEABLE
Screwdriver Attachment,socket Wr
Cross-Reference Index
Part NumberManufacturer
232135-1 Moog Military Aircraft Llc (USA)
232135-1 Honeywell International Inc. Div Aerospace - Torrance (USA)
10704 PRIMARY Pacific Piston Ring Co Inc (USA)
Related Parts
4320-00-195-8534INTERCHANGEABLE
RING,WEARING
5975-00-304-4930INTERCHANGEABLE
LOCKNUT,ELECTRICAL CONDUIT
4820-00-446-3354INTERCHANGEABLE
GUIDE,VALVE STEM
5579NPC30
5935-00-569-7729INTERCHANGEABLE
ADAPTER,TUBE,THERMOCOUPLE
1070-4
5331-00-972-4694INTERCHANGEABLE
O-RING
2-115N674-70
4310-01-005-3610INTERCHANGEABLE
PISTON,CYLINDER
10704
5305-01-195-9173INTERCHANGEABLE
SCREW,SEWING MACHINE
10704
5985-01-482-3671INTERCHANGEABLE
ANTENNA
10704
5325-01-601-8681INTERCHANGEABLE
GROMMET,NONMETALLIC
10704
5120-01-654-1843INTERCHANGEABLE
SCREWDRIVER ATTACHMENT,SOCKET WR
7240-01-713-8373INTERCHANGEABLE
FUNNEL
10704

Frequently Asked Questions

What is NSN 5330-00-318-8444?

NSN 5330-00-318-8444 is a Seal Ring,metal, manufactured by Pacific Piston Ring Co Inc, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-318-8444?

NSN 5330-00-318-8444 has 3 cross-referenced part numbers: 232135-1 (Moog Military Aircraft Llc), 232135-1 (Honeywell International Inc. Div Aerospace - Torrance), 10704 (Pacific Piston Ring Co Inc).

What NSN replaces 5330-00-318-8444?

There are 11 known substitutes for 5330-00-318-8444: 4320-00-195-8534, 5975-00-304-4930, 4820-00-446-3354 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10704?

Key specifications for 10704: Surface Treatment: PASSIVATE OVERALL; FSC Application Data: SERVOCYLINDER,HYDRAULIC,ACFT; Material: COPPER ALLOY AND STEEL CORROSION RESISTING OVERALL; Overall Width: 0.0610 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN. 9 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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