PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9A6033Fitting,lubrication

Napco International Llc Dba Napco International Inc · NSN 4730-00-391-3753 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-391-3753 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-391-3753. Primary manufacturer part number: 9A6033.
Features
  • Fitting,lubrication — FSC 4730
  • Shank Length: 0.219 INCHES NOMINAL IN
  • Thread Class: 2A A
  • Height: 0.796 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 32
  • Assembly Clearance Radius: 0.531 INCHES NOMINAL IN
  • Screw Thread Series Designator: UNEF
  • Width Across Flats: 0.375 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Fitting,lubrication, cataloged under National Stock Number 4730-00-391-3753, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Napco International Llc Dba Napco International Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 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
NSN4730-00-391-3753
Primary Part Number9A6033
Item NameFitting,lubrication
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerNapco International Llc Dba Napco International Inc
StatusCANCELLED
Shank Length0.219 INCHES NOMINAL IN
Thread Class2A A
Height0.796 INCHES NOMINAL IN
Thread Quantity Per Inch32
Assembly Clearance Radius0.531 INCHES NOMINAL IN
Screw Thread Series DesignatorUNEF
Width Across Flats0.375 INCHES NOMINAL IN
Nominal Thread Size0.312 INCHES IN
Angle65.0 DEGREES
MaterialSTEEL OVERALL
Surface TreatmentPASSIVATE OVERALL
Style DesignatorANGLE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-021-97551045H INTERCHANGEABLE
Nut,plain,hexagon
Dorsey Trailers Inc
3020-00-137-631410607 INTERCHANGEABLE
Gear,antibacklash,spur
The Aeronautical Instrument and Radio Company Dba the Aeronautical Instrument and Radio Company Div the Aeronautical Instrument and
4820-00-172-83551648 INTERCHANGEABLE
Valve,safety Relief
Pneudraulics, Inc.
4310-00-173-52741648 INTERCHANGEABLE
Ring,piston
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
8135-00-239-16481648 INTERCHANGEABLE
Tag,shipping
American Packaging I, Inc.
5133-00-266-9475 INTERCHANGEABLE
Drill,twist
5977-00-296-5445122205 INTERCHANGEABLE
Brush,electrical Contact
Telemechanics Inc
4820-00-473-12991710 INTERCHANGEABLE
Valve,safety Relief
Pneudraulics, Inc.
4820-00-859-37891648 INTERCHANGEABLE
Seat,valve
Lawler Manufacturing Company, Inc.
5950-00-928-3254D0T48 INTERCHANGEABLE
Transformer,audio Frequency
Magnetika Inc
Cross-Reference Index
Part NumberManufacturer
10607 Clark Material Handling Company (USA)
1648B1 Stewart-Warner Corporation (USA)
9A6033 PRIMARY Napco International Llc Dba Napco International Inc (USA)
1648 Stewart-Warner Corporation (USA)
1648B1 Advanced Computer Technology Inc Dba a C T (USA)
1648 Stewart-Warner Alemite Sales Co Inc (USA)
Related Parts
5310-00-021-9755INTERCHANGEABLE
NUT,PLAIN,HEXAGON
1045H
3020-00-137-6314INTERCHANGEABLE
GEAR,ANTIBACKLASH,SPUR
10607
4820-00-172-8355INTERCHANGEABLE
VALVE,SAFETY RELIEF
1648
4310-00-173-5274INTERCHANGEABLE
RING,PISTON
1648
8135-00-239-1648INTERCHANGEABLE
TAG,SHIPPING
1648
5133-00-266-9475INTERCHANGEABLE
DRILL,TWIST
5977-00-296-5445INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
122205
4820-00-473-1299INTERCHANGEABLE
VALVE,SAFETY RELIEF
1710
4820-00-859-3789INTERCHANGEABLE
SEAT,VALVE
1648
5950-00-928-3254INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
D0T48
3441-00-982-1729INTERCHANGEABLE
PRESS BRAKE,POWER OPERATED
6630-00-996-6358INTERCHANGEABLE
ANALYZER,GAS APPARA
10-607

Frequently Asked Questions

What is NSN 4730-00-391-3753?

NSN 4730-00-391-3753 is a Fitting,lubrication, manufactured by Napco International Llc Dba Napco International Inc, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-391-3753?

NSN 4730-00-391-3753 has 6 cross-referenced part numbers: 10607 (Clark Material Handling Company), 1648B1 (Stewart-Warner Corporation), 9A6033 (Napco International Llc Dba Napco International Inc), 1648 (Stewart-Warner Corporation), 1648B1 (Advanced Computer Technology Inc Dba a C T) and 1 more.

What NSN replaces 4730-00-391-3753?

There are 12 known substitutes for 4730-00-391-3753: 5310-00-021-9755, 3020-00-137-6314, 4820-00-172-8355 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9A6033?

Key specifications for 9A6033: Shank Length: 0.219 INCHES NOMINAL IN; Thread Class: 2A A; Special Features: SURFACE LOCATED BALL CHECK VALVE; Height: 0.796 INCHES NOMINAL IN. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-391-3753 still in active supply?

NSN 4730-00-391-3753 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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