PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10519O-Ring

Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems · NSN 5331-00-877-4972 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-877-4972 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-877-4972. Primary manufacturer part number: 10519.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • Material: RUBBER
  • Center Hole Diameter: 1.040 INCHES MINIMUM AND 1.052 INCHES MAXIMUM IN
  • 7 verified cross-references
  • Primary manufacturer: Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-877-4972, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, 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
NSN5331-00-877-4972
Primary Part Number10519
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerStanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
StatusCANCELLED
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
MaterialRUBBER
Center Hole Diameter1.040 INCHES MINIMUM AND 1.052 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4310-00-035-74384445P INTERCHANGEABLE
Diaphragm,pump,special Shaped
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5310-00-514-7634 INTERCHANGEABLE
Nut,plain,cap
5330-00-919-97394048596 INTERCHANGEABLE
Seal,pilot Tube
Agco Corp Parts Opn
5935-00-989-2863PN2A INTERCHANGEABLE
Adapter,connector
Trompeter Electronics, Inc.
5365-01-026-8977 INTERCHANGEABLE
Plug,machine Thread
5365-01-043-9026 INTERCHANGEABLE
Plug,machine Thread
5905-01-096-3655C1051-9 INTERCHANGEABLE
Resistor,fixed,wire Wound
Crown Audio, Inc. Dba Crown International
5930-01-135-492110519 INTERCHANGEABLE
Switch,foot
Assembly Technologies International Inc.
5342-01-181-0475 INTERCHANGEABLE
Clip,washer
4820-01-281-732774244 INTERCHANGEABLE
Valve,foot Pedal As
Action Blast Equipment
Cross-Reference Index
Part NumberManufacturer
4048596 Barber-Greene Co (USA)
10519 PRIMARY Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems (USA)
4048596 Minnpar, Llc Dba Minnpar (USA)
4048596-3 Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems (USA)
9626950 Cnh Industrial America Llc Dba Cnh America (USA)
74244 Cnh Industrial America Llc Dba Cnh America (USA)
10519 Lockwood Corp (USA)
Related Parts
4310-00-035-7438INTERCHANGEABLE
DIAPHRAGM,PUMP,SPECIAL SHAPED
4445P
5310-00-514-7634INTERCHANGEABLE
NUT,PLAIN,CAP
5330-00-919-9739INTERCHANGEABLE
SEAL,PILOT TUBE
4048596
5935-00-989-2863INTERCHANGEABLE
ADAPTER,CONNECTOR
PN2A
5365-01-026-8977INTERCHANGEABLE
PLUG,MACHINE THREAD
5365-01-043-9026INTERCHANGEABLE
PLUG,MACHINE THREAD
5905-01-096-3655INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
C1051-9
5930-01-135-4921INTERCHANGEABLE
SWITCH,FOOT
10519
5342-01-181-0475INTERCHANGEABLE
CLIP,WASHER
4820-01-281-7327INTERCHANGEABLE
VALVE,FOOT PEDAL AS
74244
6220-01-282-2780INTERCHANGEABLE
RETAINER,LENS
1051900
5305-01-421-9473INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
10519

Frequently Asked Questions

What is NSN 5331-00-877-4972?

NSN 5331-00-877-4972 is a O-Ring, manufactured by Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-877-4972?

NSN 5331-00-877-4972 has 7 cross-referenced part numbers: 4048596 (Barber-Greene Co), 10519 (Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems), 4048596 (Minnpar, Llc Dba Minnpar), 4048596-3 (Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems), 9626950 (Cnh Industrial America Llc Dba Cnh America) and 2 more.

What NSN replaces 5331-00-877-4972?

There are 12 known substitutes for 5331-00-877-4972: 4310-00-035-7438, 5310-00-514-7634, 5330-00-919-9739 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10519?

Key specifications for 10519: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Material: RUBBER; Center Hole Diameter: 1.040 INCHES MINIMUM AND 1.052 INCHES MAXIMUM IN. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-877-4972 still in active supply?

NSN 5331-00-877-4972 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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