PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B4356Lock,valve Spring Retainer

Dresser, Llc · NSN 2805-00-395-8030 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-395-8030 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-395-8030. Primary manufacturer part number: B4356.
Features
  • Lock,valve Spring Retainer — FSC 2805
  • Second Ridge Radius: 0.094 INCHES NOMINAL IN
  • Distance Between First and Second Ridge Centers: 0.311 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
  • First Ridge Width: 0.125 INCHES NOMINAL IN
  • Outside Included Angle in Deg: 17.16
  • Largest Outside Diameter: 0.748 INCHES MINIMUM AND 0.751 INCHES MAXIMUM IN
  • Largest Inside Diameter: 0.433 INCHES MINIMUM AND 0.435 INCHES MAXIMUM IN
  • Minimum Inside Diameter: 0.372 INCHES IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Mechanical energy storage
  • Vibration dampening
General Description

The Lock,valve Spring Retainer, cataloged under National Stock Number 2805-00-395-8030, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Dresser, Llc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2805-00-395-8030
Primary Part NumberB4356
Item NameLock,valve Spring Retainer
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerDresser, Llc
StatusCANCELLED
Second Ridge Radius0.094 INCHES NOMINAL IN
Distance Between First and Second Ridge Centers0.311 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
First Ridge Width0.125 INCHES NOMINAL IN
Outside Included Angle in Deg17.16
Largest Outside Diameter0.748 INCHES MINIMUM AND 0.751 INCHES MAXIMUM IN
Largest Inside Diameter0.433 INCHES MINIMUM AND 0.435 INCHES MAXIMUM IN
Minimum Inside Diameter0.372 INCHES IN
Second Ridge Width0.125 INCHES NOMINAL IN
Thread ProvisionUNTHREADED
Distance From Bottom to First Ridge Center0.156 INCHES NOMINAL IN
First Ridge Radius0.094 INCHES NOMINAL IN
MaterialSTEEL COMP 1015
Material Document and ClassificationSAE 1015 FSCM 81343 ASSN STD SINGLE MATERIAL RESPONSE
Style DesignatorSTRAIGHT BORE W/TWO RIDGES-LOWER OUTSIDE RADIUS
Casehardening IndicatorNOT CASEHARDENED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5905-00-113-7346 INTERCHANGEABLE
Resistor,fixed,composition
5305-00-344-894236390BN INTERCHANGEABLE
Screw,trigger
Gun Parts Corporation
5305-00-344-89437311935 INTERCHANGEABLE
Screw,trigger
Army, United States Department of the Dba Rock Island Arsenal Jmtc
5340-01-416-0092B4356 INTERCHANGEABLE
Plunger,quick Release
Miller-Holzwarth Inc.
5220-01-446-14080011-101 INTERCHANGEABLE
Gage,plug,plain Cylindrical
S & S Tool & Machine Co Dba S & S Tool & Machine Co
Cross-Reference Index
Part NumberManufacturer
AM9316 Allis-Chalmers Corp (USA)
VK106 Mcquay-Norris Inc Oem Div an Skf Industries Co
B4356 PRIMARY Dresser, Llc (USA)
VK79 Spx Corp (USA)
R147 PRIMARY Eaton Corp Dba Eaton Aerospace Jackson (USA)
U118 Allied Motor Parts Co (USA)
U118 PRIMARY Associated Spring Us, Llc Div Corry (USA)
VK79 Bosch Automotive Service Solutions Inc. (USA)
Related Parts
5905-00-113-7346INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5305-00-344-8942INTERCHANGEABLE
SCREW,TRIGGER
36390BN
5305-00-344-8943INTERCHANGEABLE
SCREW,TRIGGER
7311935
5340-01-416-0092INTERCHANGEABLE
PLUNGER,QUICK RELEASE
B4356
5220-01-446-1408INTERCHANGEABLE
GAGE,PLUG,PLAIN CYLINDRICAL
0011-101

Frequently Asked Questions

What is NSN 2805-00-395-8030?

NSN 2805-00-395-8030 is a Lock,valve Spring Retainer, manufactured by Dresser, Llc, classified under FSC 2805 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2805-00-395-8030?

NSN 2805-00-395-8030 has 8 cross-referenced part numbers: AM9316 (Allis-Chalmers Corp), VK106 (Mcquay-Norris Inc Oem Div an Skf Industries Co), B4356 (Dresser, Llc), VK79 (Spx Corp), R147 (Eaton Corp Dba Eaton Aerospace Jackson) and 3 more.

What NSN replaces 2805-00-395-8030?

There are 5 known substitutes for 2805-00-395-8030: 5905-00-113-7346, 5305-00-344-8942, 5305-00-344-8943 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B4356?

Key specifications for B4356: Second Ridge Radius: 0.094 INCHES NOMINAL IN; Distance Between First and Second Ridge Centers: 0.311 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN; First Ridge Width: 0.125 INCHES NOMINAL IN; Outside Included Angle in Deg: 17.16. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2805-00-395-8030 still in active supply?

NSN 2805-00-395-8030 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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