PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NB31228372Seat,valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-171-1977 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-171-1977 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-171-1977. Primary manufacturer part number: NB31228372.
Features
  • Seat,valve — FSC 4820
  • Material: RUBBER BUNA N OVERALL
  • 5 verified cross-references
  • Primary manufacturer: Leslie Controls, Inc. Dba Leslie Controls Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber Buna N Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-171-1977, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-171-1977
Primary Part NumberNB31228372
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
MaterialRUBBER BUNA N OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5910-00-613-44159053182 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Us Army Aviation and Missile Command
5998-01-040-4382122837-2 INTERCHANGEABLE
Circuit Card Assembly
Bae Systems Information and Electronic Systems Integration Inc.
Cross-Reference Index
Part NumberManufacturer
312283-72 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N31228372 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
NB31228372 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
12283-72 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
PL2042 ITEM 5 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
5910-00-613-4415INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
9053182
5998-01-040-4382INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
122837-2

Frequently Asked Questions

What is NSN 4820-01-171-1977?

NSN 4820-01-171-1977 is a Seat,valve, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-171-1977?

NSN 4820-01-171-1977 has 5 cross-referenced part numbers: 312283-72 (Leslie Controls, Inc. Dba Leslie Controls Inc), N31228372 (Leslie Controls, Inc. Dba Leslie Controls Inc), NB31228372 (Leslie Controls, Inc. Dba Leslie Controls Inc), 12283-72 (Leslie Controls, Inc. Dba Leslie Controls Inc), PL2042 ITEM 5 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-171-1977?

There are 2 known substitutes for 4820-01-171-1977: 5910-00-613-4415, 5998-01-040-4382. Verify interchangeability with system specifications before substitution.

What are the specifications of NB31228372?

Key specifications for NB31228372: Material: RUBBER BUNA N OVERALL. 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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