PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5512711Parts Kit,valve

R. H. Sheppard Co., Inc. Dba Sheppard · NSN 4820-00-431-6291 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-431-6291 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-431-6291. Primary manufacturer part number: 5512711.
Features
  • Parts Kit,valve — FSC 4820
  • Component Quantity: 15
  • Nonsupply Items and Quantities: RING PISTON 2; PISTON 1; PIN 4; NUT 2; VALVE 1; SPRING 2; PLUG 3
  • 5 verified cross-references
  • Primary manufacturer: R. H. Sheppard Co., Inc. Dba Sheppard
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Parts Kit,valve, cataloged under National Stock Number 4820-00-431-6291, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is R. H. Sheppard Co., Inc. Dba Sheppard. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-431-6291
Primary Part Number5512711
Item NameParts Kit,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerR. H. Sheppard Co., Inc. Dba Sheppard
StatusACTIVE
Component Quantity15
Nonsupply Items and QuantitiesRING PISTON 2; PISTON 1; PIN 4; NUT 2; VALVE 1; SPRING 2; PLUG 3
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-00-278-5812000-615-1195 INTERCHANGEABLE
Connector,multiple,fluid Pressur
Tvh Parts Co.
Cross-Reference Index
Part NumberManufacturer
5512711 R. H. Sheppard Co., Inc. Dba Sheppard (USA)
475885 Wabco Construction and Mining Equipment Group Indianapolis Plant an American Standard Inc Co (USA)
VS7689 American Standard Inc Westinghouse Air Brake Co Div (USA)
VS7689 Wabco Construction and Mining Equipment Group Indianapolis Plant an American Standard Inc Co (USA)
VS7689 Komatsu America Corp. (USA)
Related Parts
4730-00-278-5812INTERCHANGEABLE
CONNECTOR,MULTIPLE,FLUID PRESSUR
000-615-1195

Frequently Asked Questions

What is NSN 4820-00-431-6291?

NSN 4820-00-431-6291 is a Parts Kit,valve, manufactured by R. H. Sheppard Co., Inc. Dba Sheppard, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-431-6291?

NSN 4820-00-431-6291 has 5 cross-referenced part numbers: 5512711 (R. H. Sheppard Co., Inc. Dba Sheppard), 475885 (Wabco Construction and Mining Equipment Group Indianapolis Plant an American Standard Inc Co), VS7689 (American Standard Inc Westinghouse Air Brake Co Div), VS7689 (Wabco Construction and Mining Equipment Group Indianapolis Plant an American Standard Inc Co), VS7689 (Komatsu America Corp.).

What NSN replaces 4820-00-431-6291?

There is 1 known substitute for 4820-00-431-6291: 4730-00-278-5812. Verify interchangeability with system specifications before substitution.

What are the specifications of 5512711?

Key specifications for 5512711: Component Quantity: 15; Nonsupply Items and Quantities: RING PISTON 2; PISTON 1; PIN 4; NUT 2; VALVE 1; SPRING 2; PLUG 3. 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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