PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28681Retainer Assembly

Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems · NSN 2910-01-025-0457 · FSC 2910 · No Item Name Available
Verified by PartsTable
NSN 2910-01-025-0457 — this item is cataloged by the U.S. Government under National Stock Number 2910-01-025-0457. Primary manufacturer part number: 28681.
Features
  • Retainer Assembly — FSC 2910
  • 3 verified cross-references
  • Primary manufacturer: Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Retainer Assembly, cataloged under National Stock Number 2910-01-025-0457, is classified within Federal Supply Class 2910 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems. 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.

Catalog Facts
Item NameRetainer Assembly
FSC / FSG2910 — No Item Name Available (FSG 29)
ManufacturersStanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems (CAGE 84760)
Technical Specifications
ParameterValue
NSN2910-01-025-0457
Primary Part Number28681
Item NameRetainer Assembly
FSC / FSG2910 / 29 — No Item Name Available
ManufacturerStanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5340-00-167-9174 INTERCHANGEABLE
Cap,protective,dust and Moisture
5330-00-182-3482 INTERCHANGEABLE
Packing,preformed
5950-00-336-2979 INTERCHANGEABLE
Transformer,pulse
5340-00-355-97913F1-10P1 INTERCHANGEABLE
Mount,resilient,utility
Raytheon Company Dba Raytheon Co
5330-00-441-276020237 INTERCHANGEABLE
Seal,fuel Heater Pump
Hydro-Aire Aerospace Corp
1560-00-463-760720237 INTERCHANGEABLE
Cover Spring,cap Ad
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
5305-00-468-0008390000PC235 INTERCHANGEABLE
Setscrew
Naval Ship Systems Command
4320-00-605-277028681 INTERCHANGEABLE
Impeller,pump,centrifugal
Hdt Expeditionary Systems Inc
5905-00-782-774347511-1 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
L3harris Technologies, Inc. Div Space and Airborne Systems
4820-01-050-715620235A51M INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
28681 PRIMARY Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems (USA)
20237 Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems (USA)
20235 Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems (USA)
Related Parts
5340-00-167-9174INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
5330-00-182-3482INTERCHANGEABLE
PACKING,PREFORMED
5950-00-336-2979INTERCHANGEABLE
TRANSFORMER,PULSE
5340-00-355-9791INTERCHANGEABLE
MOUNT,RESILIENT,UTILITY
3F1-10P1
5330-00-441-2760INTERCHANGEABLE
SEAL,FUEL HEATER PUMP
20237
1560-00-463-7607INTERCHANGEABLE
COVER SPRING,CAP AD
20237
5305-00-468-0008INTERCHANGEABLE
SETSCREW
390000PC235
4320-00-605-2770INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
28681
5905-00-782-7743INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
47511-1
4820-01-050-7156INTERCHANGEABLE
VALVE,SAFETY RELIEF
20235A51M
5305-01-058-3885INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
NAS1351C3LE6
5315-01-086-3938INTERCHANGEABLE
PIN,SHOULDER,HEADLESS

Frequently Asked Questions

What is NSN 2910-01-025-0457?

NSN 2910-01-025-0457 is a Retainer Assembly, manufactured by Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems, classified under FSC 2910 (No Item Name Available). Status: active.

What are the part numbers for NSN 2910-01-025-0457?

NSN 2910-01-025-0457 has 3 cross-referenced part numbers: 28681 (Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems), 20237 (Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems), 20235 (Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems).

What NSN replaces 2910-01-025-0457?

There are 12 known substitutes for 2910-01-025-0457: 5340-00-167-9174, 5330-00-182-3482, 5950-00-336-2979 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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