PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NMP229 PIECE 12,17,18M,19Stem,fluid Valve

Kunkle Industries Inc Lonergan Valve Div · NSN 4820-01-112-9932 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-112-9932 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-112-9932. Primary manufacturer part number: NMP229 PIECE 12,17,18M,19.
Features
  • Stem,fluid Valve — FSC 4820
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
  • Criticality Code Justification: ZZZY
  • 3 verified cross-references
  • Primary manufacturer: Kunkle Industries Inc Lonergan Valve Div
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-112-9932, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Kunkle Industries Inc Lonergan Valve Div. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, 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
NSN4820-01-112-9932
Primary Part NumberNMP229 PIECE 12,17,18M,19
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerKunkle Industries Inc Lonergan Valve Div
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4820-01-112-9843 INTERCHANGEABLE
Seat,valve
5360-01-113-5587 INTERCHANGEABLE
Spring,helical,compression
Cross-Reference Index
Part NumberManufacturer
NMP229 PIECE 12,17,18M,19 Kunkle Industries Inc Lonergan Valve Div (USA)
3137348 Naval Ship Systems Command (USA)
S4824-3137348/PC12,17,18M,19 Naval Ship Systems Command (USA)
Related Parts
4820-01-112-9843INTERCHANGEABLE
SEAT,VALVE
5360-01-113-5587INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION

Frequently Asked Questions

What is NSN 4820-01-112-9932?

NSN 4820-01-112-9932 is a Stem,fluid Valve, manufactured by Kunkle Industries Inc Lonergan Valve Div, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-112-9932?

NSN 4820-01-112-9932 has 3 cross-referenced part numbers: NMP229 PIECE 12,17,18M,19 (Kunkle Industries Inc Lonergan Valve Div), 3137348 (Naval Ship Systems Command), S4824-3137348/PC12,17,18M,19 (Naval Ship Systems Command).

What NSN replaces 4820-01-112-9932?

There are 2 known substitutes for 4820-01-112-9932: 4820-01-112-9843, 5360-01-113-5587. Verify interchangeability with system specifications before substitution.

What are the specifications of NMP229 PIECE 12,17,18M,19?

Key specifications for NMP229 PIECE 12,17,18M,19: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.; Criticality Code Justification: ZZZY. 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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