PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

01704Guide,valve Stem

Safeguard Powertech Systems · NSN 2805-00-535-6678 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-535-6678 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-535-6678. Primary manufacturer part number: 01704.
Features
  • Guide,valve Stem — FSC 2805
  • Aa End Chamfer Length: 0.047 INCHES NOMINAL IN
  • Bb End Chamfer Angle in Deg: 45.0
  • Bb End Chamfer Length: 0.094 INCHES NOMINAL IN
  • Bore Countersink: NOT INCLUDED
  • Aa End Chamfer Angle in Deg: 30.0
  • Shoulder First Fillet Radius: 0.500 INCHES NOMINAL IN
  • Bore Counterbore: NOT INCLUDED
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Iron Cast construction
General Description

The Guide,valve Stem, cataloged under National Stock Number 2805-00-535-6678, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2805-00-535-6678
Primary Part Number01704
Item NameGuide,valve Stem
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerSafeguard Powertech Systems
StatusCANCELLED
Aa End Chamfer Length0.047 INCHES NOMINAL IN
Bb End Chamfer Angle in Deg45.0
Bb End Chamfer Length0.094 INCHES NOMINAL IN
Bore CountersinkNOT INCLUDED
Aa End Chamfer Angle in Deg30.0
Shoulder First Fillet Radius0.500 INCHES NOMINAL IN
Bore CounterboreNOT INCLUDED
Major Diameter Length1.406 INCHES NOMINAL IN
Bb End Shank Diameter0.653 INCHES NOMINAL IN
MaterialIRON CAST
Style DesignatorPLAIN, SHOULDERED
Bore Diameter0.3750 INCHES NOMINAL IN
Outside Diameter0.657 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-475-8593 INTERCHANGEABLE
Coupling,pipe
3020-00-528-0557 INTERCHANGEABLE
Pulley,cone
2915-00-613-25233704 INTERCHANGEABLE
Connector,shield
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
5821-00-661-1775 INTERCHANGEABLE
Amplifier
5995-00-665-09497071420 INTERCHANGEABLE
Cable Assembly,special Purpose,e
U S Army Tank Automotive Command Amsta-Im-Mm
3040-00-790-26893704 INTERCHANGEABLE
Shaft,shouldered
Coffin Turbo Pump Inc
5365-00-838-5646G70-4 INTERCHANGEABLE
Shim
Designatronics Incorporated Div Sterling Instruments Div
5961-00-884-16201779713 INTERCHANGEABLE
Semiconductor Device Set
Honeywell International Inc. Dba Honeywell International
4920-00-910-006201704 INTERCHANGEABLE
Analyzer,gyro Drift
L3harris Mas Inc Div L3harris Mas Inc.
4820-01-026-651878612394-3 INTERCHANGEABLE
Valve,linear,directional Control
Kalmar AC Inc
Cross-Reference Index
Part NumberManufacturer
01704 PRIMARY Safeguard Powertech Systems (USA)
51704 Clow Corp (USA)
G-488 Mcquay-Norris Inc Oem Div an Skf Industries Co
G7704 Dana Corp Engine Products Div (USA)
3704 Allied Motor Parts Co (USA)
G704 Ertel Mfg Corp (USA)
8329691 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
G704 Eaton Corp Dba Eaton Aerospace Jackson (USA)
119138 PRIMARY Am General Llc (USA)
Related Parts
4730-00-475-8593INTERCHANGEABLE
COUPLING,PIPE
3020-00-528-0557INTERCHANGEABLE
PULLEY,CONE
2915-00-613-2523INTERCHANGEABLE
CONNECTOR,SHIELD
3704
5821-00-661-1775INTERCHANGEABLE
AMPLIFIER
5995-00-665-0949INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
7071420
3040-00-790-2689INTERCHANGEABLE
SHAFT,SHOULDERED
3704
5365-00-838-5646INTERCHANGEABLE
SHIM
G70-4
5961-00-884-1620INTERCHANGEABLE
SEMICONDUCTOR DEVICE SET
1779713
4920-00-910-0062INTERCHANGEABLE
ANALYZER,GYRO DRIFT
01704
4820-01-026-6518INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
78612394-3
5930-01-038-2995INTERCHANGEABLE
SWITCH,PRESSURE
119-138
6515-01-040-9792INTERCHANGEABLE
TUBE,CONNECTING,SURGICAL APPARAT
3704

Frequently Asked Questions

What is NSN 2805-00-535-6678?

NSN 2805-00-535-6678 is a Guide,valve Stem, manufactured by Safeguard Powertech Systems, classified under FSC 2805 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2805-00-535-6678?

NSN 2805-00-535-6678 has 9 cross-referenced part numbers: 01704 (Safeguard Powertech Systems), 51704 (Clow Corp), G-488 (Mcquay-Norris Inc Oem Div an Skf Industries Co), G7704 (Dana Corp Engine Products Div), 3704 (Allied Motor Parts Co) and 4 more.

What NSN replaces 2805-00-535-6678?

There are 12 known substitutes for 2805-00-535-6678: 4730-00-475-8593, 3020-00-528-0557, 2915-00-613-2523 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 01704?

Key specifications for 01704: Aa End Chamfer Length: 0.047 INCHES NOMINAL IN; Bb End Chamfer Angle in Deg: 45.0; Bb End Chamfer Length: 0.094 INCHES NOMINAL IN; Bore Countersink: NOT INCLUDED. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2805-00-535-6678 still in active supply?

NSN 2805-00-535-6678 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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