PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40734-9 PC NO 12Cylinder,piston

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-483-9616 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-483-9616 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-483-9616. Primary manufacturer part number: 40734-9 PC NO 12.
Features
  • Cylinder,piston — FSC 4820
  • Material: STEEL CORROSION RESISTING
  • 3 verified cross-references
  • Primary manufacturer: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Cylinder,piston, cataloged under National Stock Number 4820-01-483-9616, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Trac Regulator Co., Inc. Dba Trac Regulator Co Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-483-9616
Primary Part Number40734-9 PC NO 12
Item NameCylinder,piston
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-010-3101103101 INTERCHANGEABLE
Nut,plain,square
Chrysler Realty Company Llc Dba Daimler Chrysler
5310-00-827-9139 INTERCHANGEABLE
Nut,plain,hexagon
5305-00-849-66071031-01 INTERCHANGEABLE
Screw,machine
Norgren C a Co
5940-00-905-927610310-01 INTERCHANGEABLE
Terminal,lug
Harcosemco Llc Dba Harcosemco
6140-01-147-8615 INTERCHANGEABLE
Cell
6230-01-328-8064103101 INTERCHANGEABLE
Case,light Set
Thermodyne International, Ltd
6350-01-371-397510-3101 INTERCHANGEABLE
Control,alarm
L3 Technologies, Inc.
4820-01-483-949840734-9 ASSY 40734-901 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-483-962940734-9 PC NO 19 INTERCHANGEABLE
Diaphragm,valve,flat
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-483-964340734-9 PC NO 33 INTERCHANGEABLE
Seat,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
40734-9 PC NO 12 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
1031-01 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40734-9 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
5310-00-010-3101INTERCHANGEABLE
NUT,PLAIN,SQUARE
103101
5310-00-827-9139INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5305-00-849-6607INTERCHANGEABLE
SCREW,MACHINE
1031-01
5940-00-905-9276INTERCHANGEABLE
TERMINAL,LUG
10310-01
6140-01-147-8615INTERCHANGEABLE
CELL
6230-01-328-8064INTERCHANGEABLE
CASE,LIGHT SET
103101
6350-01-371-3975INTERCHANGEABLE
CONTROL,ALARM
10-3101
4820-01-483-9498INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
40734-9 ASSY 40734-901
4820-01-483-9629INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
40734-9 PC NO 19
4820-01-483-9643INTERCHANGEABLE
SEAT,VALVE
40734-9 PC NO 33
4820-01-483-9647INTERCHANGEABLE
DISK,VALVE
40734-9 PC NO 34
3040-01-483-9653INTERCHANGEABLE
SHAFT,SHOULDERED
40734-9 PC NO 36

Frequently Asked Questions

What is NSN 4820-01-483-9616?

NSN 4820-01-483-9616 is a Cylinder,piston, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-483-9616?

NSN 4820-01-483-9616 has 3 cross-referenced part numbers: 40734-9 PC NO 12 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 1031-01 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40734-9 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-483-9616?

There are 12 known substitutes for 4820-01-483-9616: 5310-00-010-3101, 5310-00-827-9139, 5305-00-849-6607 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40734-9 PC NO 12?

Key specifications for 40734-9 PC NO 12: Special Features: CLASS 440C COLD-COND. A-500 BHN; Material: STEEL CORROSION RESISTING; End Item Identification: E/I 1 1/2 INCH TRAC STYLE RA, PILOT OPERATED REDUCING VALVE; W/S TARAWA CLASS LHA IN. 3 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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