PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10000-8O-Ring

Watts Automatic Control Valve Inc · NSN 5331-00-166-8696 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-166-8696 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-166-8696. Primary manufacturer part number: 10000-8.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER SYNTHETIC
  • Cross-Sectional Height: 0.062 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Watts Automatic Control Valve Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-166-8696, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Watts Automatic Control Valve Inc. Government technical data includes 2 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-166-8696
Primary Part Number10000-8
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerWatts Automatic Control Valve Inc
StatusACTIVE
MaterialRUBBER SYNTHETIC
Cross-Sectional Height0.062 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-010-0008 INTERCHANGEABLE
Screw,cap,hexagon Head
5330-00-040-9783100-008 INTERCHANGEABLE
Seal,cushion
Sheffer Corp
5305-00-187-9941100008 INTERCHANGEABLE
Screw,externally Relieved Body
Symbolic Displays, Inc
8105-00-281-1425100008 INTERCHANGEABLE
Bag,paper
American Packaging I, Inc.
3110-00-523-5241100008 INTERCHANGEABLE
Plate,retaining,bearing
Contraves Inc
4920-00-775-4994100008 INTERCHANGEABLE
Gear Train
Mission Systems Davenport Inc.
5910-00-823-1977C023B501K253M INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Cera-Mite Corp
5865-00-962-0642202282 INTERCHANGEABLE
Roller Assembly
Sypris Electronics, Llc
4210-01-040-78130000810 INTERCHANGEABLE
End Cap,elevation
Kidde Fire Fighting, Inc. Div National Foam
1280-01-078-1718 INTERCHANGEABLE
Core Plane Assembly
Cross-Reference Index
Part NumberManufacturer
10000-8 PRIMARY Watts Automatic Control Valve Inc (USA)
10000-8 Muesco Inc Dba Muesco Mallay Inc (USA)
Related Parts
5305-00-010-0008INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5330-00-040-9783INTERCHANGEABLE
SEAL,CUSHION
100-008
5305-00-187-9941INTERCHANGEABLE
SCREW,EXTERNALLY RELIEVED BODY
100008
8105-00-281-1425INTERCHANGEABLE
BAG,PAPER
100008
3110-00-523-5241INTERCHANGEABLE
PLATE,RETAINING,BEARING
100008
4920-00-775-4994INTERCHANGEABLE
GEAR TRAIN
100008
5910-00-823-1977INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
C023B501K253M
5865-00-962-0642INTERCHANGEABLE
ROLLER ASSEMBLY
202282
4210-01-040-7813INTERCHANGEABLE
END CAP,ELEVATION
0000810
1280-01-078-1718INTERCHANGEABLE
CORE PLANE ASSEMBLY
5305-01-082-2026INTERCHANGEABLE
SCREW,MACHINE
100008
3020-01-103-5340INTERCHANGEABLE
CUP,PISTON

Frequently Asked Questions

What is NSN 5331-00-166-8696?

NSN 5331-00-166-8696 is a O-Ring, manufactured by Watts Automatic Control Valve Inc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-166-8696?

NSN 5331-00-166-8696 has 2 cross-referenced part numbers: 10000-8 (Watts Automatic Control Valve Inc), 10000-8 (Muesco Inc Dba Muesco Mallay Inc).

What NSN replaces 5331-00-166-8696?

There are 12 known substitutes for 5331-00-166-8696: 5305-00-010-0008, 5330-00-040-9783, 5305-00-187-9941 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10000-8?

Key specifications for 10000-8: Material: RUBBER SYNTHETIC; Cross-Sectional Height: 0.062 INCHES NOMINAL IN. 2 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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