PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10876-1 PIECE 4 1 1/2Seat,valve

Velan Valve Corp. · NSN 4820-01-218-8027 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-218-8027 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-218-8027. Primary manufacturer part number: 10876-1 PIECE 4 1 1/2.
Features
  • Seat,valve — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: Velan Valve Corp.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-218-8027, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Velan Valve Corp.. 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: Active.

Technical Specifications
ParameterValue
NSN4820-01-218-8027
Primary Part Number10876-1 PIECE 4 1 1/2
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerVelan Valve Corp.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1660-00-031-575311590 INTERCHANGEABLE
Shaft
Triumph Thermal Systems - Maryland, Inc.
3110-00-100-313265C35476-1 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5330-00-115-8841116556978 INTERCHANGEABLE
Gasket
U S Army Tank Automotive Command Amsta-Im-Mm
3455-00-243-2167 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
5315-00-371-610411590 INTERCHANGEABLE
Pin,transmission Su
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
3040-00-392-7755SM-B-148386 INTERCHANGEABLE
Bell Crank
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6680-00-416-07123232490 INTERCHANGEABLE
Drive Assembly,tach
Hatch & Kirk, Inc.
5950-00-563-718211590 INTERCHANGEABLE
Transformer,power,s
Power Paragon, Inc. Dba Power Magnetics Div Power Magnetics
6610-01-014-3961 INTERCHANGEABLE
Bulkhead Mechanism
5342-01-070-369211590 INTERCHANGEABLE
Clamp
Amfs American Fleet Services
Cross-Reference Index
Part NumberManufacturer
10876-1 PIECE 4 1 1/2 PRIMARY Velan Valve Corp. (USA)
11590 Velan Valve Corp. (USA)
Related Parts
1660-00-031-5753INTERCHANGEABLE
SHAFT
11590
3110-00-100-3132INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
65C35476-1
5330-00-115-8841INTERCHANGEABLE
GASKET
116556978
3455-00-243-2167INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
5315-00-371-6104INTERCHANGEABLE
PIN,TRANSMISSION SU
11590
3040-00-392-7755INTERCHANGEABLE
BELL CRANK
SM-B-148386
6680-00-416-0712INTERCHANGEABLE
DRIVE ASSEMBLY,TACH
3232490
5950-00-563-7182INTERCHANGEABLE
TRANSFORMER,POWER,S
11590
6610-01-014-3961INTERCHANGEABLE
BULKHEAD MECHANISM
5342-01-070-3692INTERCHANGEABLE
CLAMP
11590
6220-01-242-9030INTERCHANGEABLE
LAMP UNIT,VEHICULAR
15200R
4920-01-350-2773INTERCHANGEABLE
MAINTENANCE KIT,AIRCRAFT
11590

Frequently Asked Questions

What is NSN 4820-01-218-8027?

NSN 4820-01-218-8027 is a Seat,valve, manufactured by Velan Valve Corp., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-218-8027?

NSN 4820-01-218-8027 has 2 cross-referenced part numbers: 10876-1 PIECE 4 1 1/2 (Velan Valve Corp.), 11590 (Velan Valve Corp.).

What NSN replaces 4820-01-218-8027?

There are 12 known substitutes for 4820-01-218-8027: 1660-00-031-5753, 3110-00-100-3132, 5330-00-115-8841 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10876-1 PIECE 4 1 1/2?

Key specifications for 10876-1 PIECE 4 1 1/2: End Item Identification: NIIN CONTAINS NO APPLICATIONS. 1 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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