PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0375451-00Lock,valve Spring Retainer

Brinkley Technology Group Llc Dba Hercules Manufacturing · NSN 2805-00-741-5300 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-741-5300 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-741-5300. Primary manufacturer part number: 0375451-00.
Features
  • Lock,valve Spring Retainer — FSC 2805
  • FSC Application Data: MAIN ENGINE,CARRIER CARGO,AMPHIBIOUS
  • Distance Between First and Second Groove Centers: 0.143 INCHES MINIMUM AND 0.167 INCHES MAXIMUM IN
  • Thread Provision: UNTHREADED
  • Material: STEEL
  • Distance From Bottom to First Groove Center: 0.171 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
  • Largest Inside Diameter: 0.430 INCHES MINIMUM AND 0.434 INCHES MAXIMUM IN
  • Largest Outside Diameter: 0.652 INCHES NOMINAL IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Mechanical energy storage
  • Vibration dampening
General Description

The Lock,valve Spring Retainer, cataloged under National Stock Number 2805-00-741-5300, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Brinkley Technology Group Llc Dba Hercules Manufacturing. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2805-00-741-5300
Primary Part Number0375451-00
Item NameLock,valve Spring Retainer
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerBrinkley Technology Group Llc Dba Hercules Manufacturing
StatusCANCELLED
FSC Application DataMAIN ENGINE,CARRIER CARGO,AMPHIBIOUS
Distance Between First and Second Groove Centers0.143 INCHES MINIMUM AND 0.167 INCHES MAXIMUM IN
Thread ProvisionUNTHREADED
MaterialSTEEL
Distance From Bottom to First Groove Center0.171 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
Largest Inside Diameter0.430 INCHES MINIMUM AND 0.434 INCHES MAXIMUM IN
Largest Outside Diameter0.652 INCHES NOMINAL IN
Style DesignatorSTRAIGHT BORE W/TWO GROOVES-LOWER OUTSIDE RADIUS
Outside Included Angle in Deg14.25
Casehardening IndicatorNOT CASEHARDENED
Metallic Hardness Rating75.0 MINIMUM ROCKWELL B AND 85.0 MAXIMUM ROCKWELL B
Second Groove Width0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
Minimum Inside Diameter0.376 INCHES IN
First Groove Width0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
6130-00-056-26552480-2 INTERCHANGEABLE
Power Supply
Lockheed Martin Corporation Div Rms - Mitchel Field
5905-00-841-5788 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
4820-01-259-7627248-02 INTERCHANGEABLE
Seat,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
6110-01-305-378024802 INTERCHANGEABLE
Starter,motor
Ward Leonard Ct Llc
4710-01-307-0103 INTERCHANGEABLE
Tube,metallic
5910-01-414-8598 INTERCHANGEABLE
Capacitor,fixed,electrolytic
8465-01-623-007424802 INTERCHANGEABLE
Belt,individual Equipment
Safariland Government Sales Inc
5360-01-678-296524802-8 INTERCHANGEABLE
Spring,helical,compression
Hydraulics International, Inc. Dba Hydraulics International Inc
Cross-Reference Index
Part NumberManufacturer
24802 Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc (USA)
0375451-00 PRIMARY Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
24802 Teledyne Industries Inc Teledyne Power Systems Div (USA)
7415300 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
0375451-00 Hercules Engine Co Inc (USA)
2805007415300 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
Related Parts
6130-00-056-2655INTERCHANGEABLE
POWER SUPPLY
2480-2
5905-00-841-5788INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
4820-01-259-7627INTERCHANGEABLE
SEAT,VALVE
248-02
6110-01-305-3780INTERCHANGEABLE
STARTER,MOTOR
24802
4710-01-307-0103INTERCHANGEABLE
TUBE,METALLIC
5910-01-414-8598INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
8465-01-623-0074INTERCHANGEABLE
BELT,INDIVIDUAL EQUIPMENT
24802
5360-01-678-2965INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
24802-8

Frequently Asked Questions

What is NSN 2805-00-741-5300?

NSN 2805-00-741-5300 is a Lock,valve Spring Retainer, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 2805 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2805-00-741-5300?

NSN 2805-00-741-5300 has 6 cross-referenced part numbers: 24802 (Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc), 0375451-00 (Brinkley Technology Group Llc Dba Hercules Manufacturing), 24802 (Teledyne Industries Inc Teledyne Power Systems Div), 7415300 (U S Army Tank Automotive Command Amsta-Im-Mm), 0375451-00 (Hercules Engine Co Inc) and 1 more.

What NSN replaces 2805-00-741-5300?

There are 8 known substitutes for 2805-00-741-5300: 6130-00-056-2655, 5905-00-841-5788, 4820-01-259-7627 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 0375451-00?

Key specifications for 0375451-00: FSC Application Data: MAIN ENGINE,CARRIER CARGO,AMPHIBIOUS; Distance Between First and Second Groove Centers: 0.143 INCHES MINIMUM AND 0.167 INCHES MAXIMUM IN; Special Features: 63 MIROINCH RMS FINISH SURFACES OF TOP,BOTTOM,AND GROOVES;32 MICROINCH RMS FINISH SURFACES OF OD AND BOTH ID;0.025 IN.MIN TO 0.031 IN.MAX RADIUS BETWEEN SMALLEST ID AND GROOVES IN; Thread Provision: UNTHREADED. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2805-00-741-5300 still in active supply?

NSN 2805-00-741-5300 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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