PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40398-4 FIND NO 17Screw,adjusting,valve Tappet

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 2815-01-378-7483 · FSC 2815 · No Item Name Available
Verified by PartsTable
NSN 2815-01-378-7483 — this item is cataloged by the U.S. Government under National Stock Number 2815-01-378-7483. Primary manufacturer part number: 40398-4 FIND NO 17.
Features
  • Screw,adjusting,valve Tappet — FSC 2815
  • 4 verified cross-references
  • Primary manufacturer: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Flow control in piping systems
  • Pressure regulation
General Description

The Screw,adjusting,valve Tappet, cataloged under National Stock Number 2815-01-378-7483, is classified within Federal Supply Class 2815 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Trac Regulator Co., Inc. Dba Trac Regulator Co Inc. This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2815-01-378-7483
Primary Part Number40398-4 FIND NO 17
Item NameScrew,adjusting,valve Tappet
FSC / FSG2815 / 28 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5950-00-239-332873702 INTERCHANGEABLE
Transformer,electrical
Inrcore, Llc Div Inrcore
7530-01-026-4702405069 INTERCHANGEABLE
Label
Telemechanics Inc
6145-01-035-0190 INTERCHANGEABLE
Cable,special Purpose,electrical
6515-01-162-163600-0737-002-00 INTERCHANGEABLE
Support,cervical
Zimmer, Inc. Dba Z Hotel
4820-01-175-1282937-00 INTERCHANGEABLE
Stem,fluid Valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
5305-01-175-756073405 ITEM 29 INTERCHANGEABLE
Setscrew
Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
4730-01-371-77667370200 INTERCHANGEABLE
Collar,flared,pipe Fitting
Alfa Laval Inc
4820-01-376-271240506-905 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-376-2746931-01 INTERCHANGEABLE
Disk,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-376-2749923-01 INTERCHANGEABLE
Diaphragm,valve,flat
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
40398-4 FIND NO 17 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
737-02 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40506-9 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40506-9 ITEM 17 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
5950-00-239-3328INTERCHANGEABLE
TRANSFORMER,ELECTRICAL
73702
7530-01-026-4702INTERCHANGEABLE
LABEL
405069
6145-01-035-0190INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
6515-01-162-1636INTERCHANGEABLE
SUPPORT,CERVICAL
00-0737-002-00
4820-01-175-1282INTERCHANGEABLE
STEM,FLUID VALVE
937-00
5305-01-175-7560INTERCHANGEABLE
SETSCREW
73405 ITEM 29
4730-01-371-7766INTERCHANGEABLE
COLLAR,FLARED,PIPE FITTING
7370200
4820-01-376-2712INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
40506-905
4820-01-376-2746INTERCHANGEABLE
DISK,VALVE
931-01
4820-01-376-2749INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
923-01
4820-01-377-9395INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
40506-902

Frequently Asked Questions

What is NSN 2815-01-378-7483?

NSN 2815-01-378-7483 is a Screw,adjusting,valve Tappet, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 2815 (No Item Name Available). Status: active.

What are the part numbers for NSN 2815-01-378-7483?

NSN 2815-01-378-7483 has 4 cross-referenced part numbers: 40398-4 FIND NO 17 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 737-02 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40506-9 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40506-9 ITEM 17 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 2815-01-378-7483?

There are 11 known substitutes for 2815-01-378-7483: 5950-00-239-3328, 7530-01-026-4702, 6145-01-035-0190 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40398-4 FIND NO 17?

Key specifications for 40398-4 FIND NO 17: End Item Identification: 1/4" SEAWATER PRESSURE REDUCING VALVE;TRAC REGULATOR CO INC. 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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