PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31217Lap,assembly,valve

Eaton Aerospace Llc Dba Eaton Aerospace Jackson · NSN 4820-01-019-8127 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-019-8127 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-019-8127. Primary manufacturer part number: 31217.
Features
  • Lap,assembly,valve — FSC 4820
  • General Characteristics Item Description: BREAK ALL EDGES ON LAPPED OD OF SPOOL 0.002 TO 0.005 IN. BLEND RADIUS IN
  • 1 verified cross-reference
  • Primary manufacturer: Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Lap,assembly,valve, cataloged under National Stock Number 4820-01-019-8127, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Aerospace Llc Dba Eaton Aerospace Jackson. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-019-8127
Primary Part Number31217
Item NameLap,assembly,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEaton Aerospace Llc Dba Eaton Aerospace Jackson
StatusACTIVE
General Characteristics Item DescriptionBREAK ALL EDGES ON LAPPED OD OF SPOOL 0.002 TO 0.005 IN. BLEND RADIUS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5136-00-189-32384463 INTERCHANGEABLE
Die,thread Cutting
Stanley Tools Div of Stanley Works
5935-00-660-907731-217 INTERCHANGEABLE
Adapter,connector
Amphenol Corporation Div Amphenol Rf
5935-00-732-1919REB49102 INTERCHANGEABLE
Adapter,connector
Naval Ship Systems Command
5935-00-739-2242 INTERCHANGEABLE
Adapter,connector
5999-01-254-970031217 INTERCHANGEABLE
Clamp,electrical
Abb Installation Products Inc
5961-01-340-2554 INTERCHANGEABLE
Transistor
5110-01-646-230031-217 INTERCHANGEABLE
Reamer,hand
Pan American Tool Corp
Cross-Reference Index
Part NumberManufacturer
31217 PRIMARY Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA)
Related Parts
5136-00-189-3238INTERCHANGEABLE
DIE,THREAD CUTTING
4463
5935-00-660-9077INTERCHANGEABLE
ADAPTER,CONNECTOR
31-217
5935-00-732-1919INTERCHANGEABLE
ADAPTER,CONNECTOR
REB49102
5935-00-739-2242INTERCHANGEABLE
ADAPTER,CONNECTOR
5999-01-254-9700INTERCHANGEABLE
CLAMP,ELECTRICAL
31217
5961-01-340-2554INTERCHANGEABLE
TRANSISTOR
5110-01-646-2300INTERCHANGEABLE
REAMER,HAND
31-217

Frequently Asked Questions

What is NSN 4820-01-019-8127?

NSN 4820-01-019-8127 is a Lap,assembly,valve, manufactured by Eaton Aerospace Llc Dba Eaton Aerospace Jackson, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-019-8127?

NSN 4820-01-019-8127 has 1 cross-referenced part number: 31217 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson).

What NSN replaces 4820-01-019-8127?

There are 7 known substitutes for 4820-01-019-8127: 5136-00-189-3238, 5935-00-660-9077, 5935-00-732-1919 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31217?

Key specifications for 31217: End Item Identification: P/N 31216,FSCM 99643; General Characteristics Item Description: BREAK ALL EDGES ON LAPPED OD OF SPOOL 0.002 TO 0.005 IN. BLEND RADIUS IN. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com