PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

01603Guide,valve Stem

Safeguard Powertech Systems · NSN 2805-00-353-8917 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-353-8917 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-353-8917. Primary manufacturer part number: 01603.
Features
  • Guide,valve Stem — FSC 2805
  • Outside Diameter: 0.812 INCHES NOMINAL IN
  • Bore Counterbore: NOT INCLUDED
  • Bb End Chamfer Length: 0.031 INCHES NOMINAL IN
  • Bore Countersink: NOT INCLUDED
  • Aa End Chamfer Length: 0.094 INCHES NOMINAL IN
  • Major Diameter Length: 2.350 INCHES NOMINAL IN
  • Aa End Chamfer Angle in Deg: 30.0
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel construction
General Description

The Guide,valve Stem, cataloged under National Stock Number 2805-00-353-8917, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Safeguard Powertech Systems. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 manufacturers, 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
NSN2805-00-353-8917
Primary Part Number01603
Item NameGuide,valve Stem
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerSafeguard Powertech Systems
StatusACTIVE
Outside Diameter0.812 INCHES NOMINAL IN
Bore CounterboreNOT INCLUDED
Bb End Chamfer Length0.031 INCHES NOMINAL IN
Bore CountersinkNOT INCLUDED
Aa End Chamfer Length0.094 INCHES NOMINAL IN
Major Diameter Length2.350 INCHES NOMINAL IN
Aa End Chamfer Angle in Deg30.0
Bb End Shank Diameter0.600 INCHES NOMINAL IN
Bb End Chamfer Angle in Deg45.0
MaterialSTEEL
Style DesignatorPLAIN, SHOULDERED
Bore Diameter0.4375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4030-00-162-5429 INTERCHANGEABLE
Socket,wire Rope
3455-00-187-2570 INTERCHANGEABLE
File,rotary
5330-00-198-6194 INTERCHANGEABLE
Packing,preformed
3040-00-843-438812282301-3 INTERCHANGEABLE
Shaft,straight
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
5330-01-053-686501603 INTERCHANGEABLE
Rubber Sheet
Defense Logistics Agency Dba Defense Supply Center Philadelphia
6505-01-108-567301-603 INTERCHANGEABLE
Aspirin Tablets
Goldline Laboratories, Inc. Dba Goldline Laboratories
6685-01-538-2281G-416 INTERCHANGEABLE
Gage,pressure,dial Indicating
L3 Technologies, Inc. Div L3 Keo
Cross-Reference Index
Part NumberManufacturer
3603 Napasco International Inc (USA)
T427I248 Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc (USA)
T427I205 Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc (USA)
G-444 Mcquay-Norris Inc Oem Div an Skf Industries Co
G-416 Spx Corp (USA)
T427I205 John Reiner & Co. Inc. (USA)
G-603 Ertel Engineering Co (USA)
01603 PRIMARY Safeguard Powertech Systems (USA)
G-7603 PRIMARY Dana Corp Spicer Transmission Div (USA)
G-416 Bosch Automotive Service Solutions Inc. (USA)
Related Parts
4030-00-162-5429INTERCHANGEABLE
SOCKET,WIRE ROPE
3455-00-187-2570INTERCHANGEABLE
FILE,ROTARY
5330-00-198-6194INTERCHANGEABLE
PACKING,PREFORMED
3040-00-843-4388INTERCHANGEABLE
SHAFT,STRAIGHT
12282301-3
5330-01-053-6865INTERCHANGEABLE
RUBBER SHEET
01603
6505-01-108-5673INTERCHANGEABLE
ASPIRIN TABLETS
01-603
6685-01-538-2281INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
G-416

Frequently Asked Questions

What is NSN 2805-00-353-8917?

NSN 2805-00-353-8917 is a Guide,valve Stem, manufactured by Safeguard Powertech Systems, classified under FSC 2805 (No Item Name Available). Status: active.

What are the part numbers for NSN 2805-00-353-8917?

NSN 2805-00-353-8917 has 10 cross-referenced part numbers: 3603 (Napasco International Inc), T427I248 (Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc), T427I205 (Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc), G-444 (Mcquay-Norris Inc Oem Div an Skf Industries Co), G-416 (Spx Corp) and 5 more.

What NSN replaces 2805-00-353-8917?

There are 7 known substitutes for 2805-00-353-8917: 4030-00-162-5429, 3455-00-187-2570, 5330-00-198-6194 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 01603?

Key specifications for 01603: Outside Diameter: 0.812 INCHES NOMINAL IN; Bore Counterbore: NOT INCLUDED; Bb End Chamfer Length: 0.031 INCHES NOMINAL IN; Bore Countersink: NOT INCLUDED. 13 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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