PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

302031-0110Guide,valve Stem

Diamond Power International, Inc. · NSN 4820-00-856-8402 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-856-8402 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-856-8402. Primary manufacturer part number: 302031-0110.
Features
  • Guide,valve Stem — FSC 4820
  • Material: STEEL CORROSION RESISTING
  • 18 verified cross-references
  • Primary manufacturer: Diamond Power International, Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Guide,valve Stem, cataloged under National Stock Number 4820-00-856-8402, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Diamond Power International, Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-856-8402
Primary Part Number302031-0110
Item NameGuide,valve Stem
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDiamond Power International, Inc.
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4410-00-341-7632301147 INTERCHANGEABLE
Valve Stem,retainer Nut
Diamond Power International, Inc.
5342-00-360-60623020480129 INTERCHANGEABLE
Bracket,blower,soot
Diamond Power International, Inc.
4410-00-413-4257301142-0118 INTERCHANGEABLE
Yoke,valve
Diamond Power International, Inc.
4710-00-455-9732350004-2001 INTERCHANGEABLE
Tube Assembly,swivel and Bracket
Diamond Power International, Inc.
4410-01-058-1666302005-1037 INTERCHANGEABLE
Gear and Cam,soot Blower
Diamond Power International, Inc.
4410-01-058-1668302005-7034 INTERCHANGEABLE
Gear and Cam,soot B
Diamond Power International, Inc.
5365-01-185-421453A002350J INTERCHANGEABLE
Ring,dust Shield
Diamond Power International, Inc.
3020-01-185-8269308904-0111 INTERCHANGEABLE
Gear,spur
Diamond Power International, Inc.
Cross-Reference Index
Part NumberManufacturer
N3-19017PC162 The Babcock & Wilcox Company Dba B & W Service Co Div B&w Service Company (USA)
302031-0110 The Babcock & Wilcox Company Dba B & W Service Co Div B&w Service Company (USA)
312864-1044 PIECE 12 Diamond Power International, Inc. (USA)
305454-1057 PIECE 162 Diamond Power International, Inc. (USA)
302031-0110 Diamond Electronics Inc (USA)
305454-1057 The Babcock & Wilcox Company Dba B & W Service Co Div B&w Service Company (USA)
305474-1057 PIE Diamond Power International, Inc. (USA)
305454-1057 PIECE 162 The Babcock & Wilcox Company Dba B & W Service Co Div B&w Service Company (USA)
302031-0110 Diamond Power International, Inc. Dba Diamond Power Specialty Co Div Diamond Power Specialty Company (USA)
312864-1044 Diamond Power International, Inc. (USA)
305454-1057 Diamond Power International, Inc. (USA)
302031-0110 PRIMARY Diamond Power International, Inc. (USA)
302037-0110 Diamond Power International, Inc. (USA)
312864-1044 The Babcock & Wilcox Company Dba B & W Service Co Div B&w Service Company (USA)
N3-19017PC162 Diamond Electronics Inc (USA)
N3-19017PC162 Babcock & Wilcox Co (USA)
305454-1057 PIECE 162 Babcock & Wilcox Co (USA)
302031-0110 Babcock & Wilcox Co (USA)
Related Parts
4410-00-341-7632INTERCHANGEABLE
VALVE STEM,RETAINER NUT
301147
5342-00-360-6062INTERCHANGEABLE
BRACKET,BLOWER,SOOT
3020480129
4410-00-413-4257INTERCHANGEABLE
YOKE,VALVE
301142-0118
4710-00-455-9732INTERCHANGEABLE
TUBE ASSEMBLY,SWIVEL AND BRACKET
350004-2001
4410-01-058-1666INTERCHANGEABLE
GEAR AND CAM,SOOT BLOWER
302005-1037
4410-01-058-1668INTERCHANGEABLE
GEAR AND CAM,SOOT B
302005-7034
5365-01-185-4214INTERCHANGEABLE
RING,DUST SHIELD
53A002350J
3020-01-185-8269INTERCHANGEABLE
GEAR,SPUR
308904-0111

Frequently Asked Questions

What is NSN 4820-00-856-8402?

NSN 4820-00-856-8402 is a Guide,valve Stem, manufactured by Diamond Power International, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-856-8402?

NSN 4820-00-856-8402 has 18 cross-referenced part numbers: N3-19017PC162 (The Babcock & Wilcox Company Dba B & W Service Co Div B&w Service Company), 302031-0110 (The Babcock & Wilcox Company Dba B & W Service Co Div B&w Service Company), 312864-1044 PIECE 12 (Diamond Power International, Inc.), 305454-1057 PIECE 162 (Diamond Power International, Inc.), 302031-0110 (Diamond Electronics Inc) and 13 more.

What NSN replaces 4820-00-856-8402?

There are 8 known substitutes for 4820-00-856-8402: 4410-00-341-7632, 5342-00-360-6062, 4410-00-413-4257 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 302031-0110?

Key specifications for 302031-0110: Material: STEEL CORROSION RESISTING. 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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