PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B203Valve Assembly,intake

Altec Air, Llc Dba Altec Llc · NSN 4310-00-919-6796 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-00-919-6796 — this item is cataloged by the U.S. Government under National Stock Number 4310-00-919-6796. Primary manufacturer part number: B203.
Features
  • Valve Assembly,intake — FSC 4310
  • General Characteristics Item Description: BRASS CARTRIDGE 1; CRES DIAPHRAGM 1; 0.812 IN. OD; 0.312 IN. O/A HGT IN
  • 1 verified cross-reference
  • Primary manufacturer: Altec Air, Llc Dba Altec Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve Assembly,intake, cataloged under National Stock Number 4310-00-919-6796, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Altec Air, Llc Dba Altec Llc. 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4310-00-919-6796
Primary Part NumberB203
Item NameValve Assembly,intake
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerAltec Air, Llc Dba Altec Llc
StatusACTIVE
General Characteristics Item DescriptionBRASS CARTRIDGE 1; CRES DIAPHRAGM 1; 0.812 IN. OD; 0.312 IN. O/A HGT IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4920-00-010-7458926759-1 INTERCHANGEABLE
Test Set,torpedo Co
Lockheed Martin Corp
3455-00-228-529715427 INTERCHANGEABLE
Cutter,milling,end
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5930-00-305-1131B203 INTERCHANGEABLE
Snal Switch and Sol
Unison Industries Llc
3010-00-553-7576 INTERCHANGEABLE
Clutch,backstop
4820-01-158-8353B203 INTERCHANGEABLE
Valve,gate
Hunt Valve Company, Inc.
6130-01-173-9649 INTERCHANGEABLE
Generator,ultrasonic
4730-01-202-0342C13218E0470-11 INTERCHANGEABLE
Adapter,straight,pipe to Hose
Cecom Lr Center
7025-01-445-5076B203 INTERCHANGEABLE
Printer,automatic Data Processin
Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
5360-01-526-3087B-203 INTERCHANGEABLE
Spring,helical,torsion
Hdt Expeditionary Systems Inc
Cross-Reference Index
Part NumberManufacturer
B203 PRIMARY Altec Air, Llc Dba Altec Llc (USA)
Related Parts
4920-00-010-7458INTERCHANGEABLE
TEST SET,TORPEDO CO
926759-1
3455-00-228-5297INTERCHANGEABLE
CUTTER,MILLING,END
15427
5930-00-305-1131INTERCHANGEABLE
SNAL SWITCH AND SOL
B203
3010-00-553-7576INTERCHANGEABLE
CLUTCH,BACKSTOP
4820-01-158-8353INTERCHANGEABLE
VALVE,GATE
B203
6130-01-173-9649INTERCHANGEABLE
GENERATOR,ULTRASONIC
4730-01-202-0342INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
C13218E0470-11
7025-01-445-5076INTERCHANGEABLE
PRINTER,AUTOMATIC DATA PROCESSIN
B203
5360-01-526-3087INTERCHANGEABLE
SPRING,HELICAL,TORSION
B-203

Frequently Asked Questions

What is NSN 4310-00-919-6796?

NSN 4310-00-919-6796 is a Valve Assembly,intake, manufactured by Altec Air, Llc Dba Altec Llc, classified under FSC 4310 (No Item Name Available). Status: active.

What are the part numbers for NSN 4310-00-919-6796?

NSN 4310-00-919-6796 has 1 cross-referenced part number: B203 (Altec Air, Llc Dba Altec Llc).

What NSN replaces 4310-00-919-6796?

There are 9 known substitutes for 4310-00-919-6796: 4920-00-010-7458, 3455-00-228-5297, 5930-00-305-1131 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B203?

Key specifications for B203: General Characteristics Item Description: BRASS CARTRIDGE 1; CRES DIAPHRAGM 1; 0.812 IN. OD; 0.312 IN. O/A HGT IN. 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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