PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1F4516Retainer

Caterpillar Inc Div Caterpillar Defense · NSN 4310-00-431-1648 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-00-431-1648 — this item is cataloged by the U.S. Government under National Stock Number 4310-00-431-1648. Primary manufacturer part number: 1F4516.
Features
  • Retainer — FSC 4310
  • General Characteristics Item Description: STEEL,CYANIDE HARDEN; CENTER HOLE 0.250 IN. DIA; 6 HOLES 0.250 IN. DIA ON 0.656 IN. BOLT CIRCLE DIA OD; RECESSED ONE SIDE 0.875 IN. DIA BY 0.125 IN. DP IN
  • 5 verified cross-references
  • Primary manufacturer: Caterpillar Inc Div Caterpillar Defense
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Retainer, cataloged under National Stock Number 4310-00-431-1648, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 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: Active.

Technical Specifications
ParameterValue
NSN4310-00-431-1648
Primary Part Number1F4516
Item NameRetainer
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
General Characteristics Item DescriptionSTEEL,CYANIDE HARDEN; CENTER HOLE 0.250 IN. DIA; 6 HOLES 0.250 IN. DIA ON 0.656 IN. BOLT CIRCLE DIA OD; RECESSED ONE SIDE 0.875 IN. DIA BY 0.125 IN. DP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-003-928050141S INTERCHANGEABLE
Seal,plain Encased
Federal-Mogul Corp Government Sales Dept
5950-00-255-350412524 INTERCHANGEABLE
Transformer,pulse
Freed Transformer Co
5330-00-588-026812-524 INTERCHANGEABLE
Gasket
Vacco Industries
5950-00-716-744612524 INTERCHANGEABLE
Reactor
Robert M. Hadley Company, Inc.
4820-01-045-779112524 INTERCHANGEABLE
Seat,valve
Leroi International Inc Dba Compair Leroi
5970-01-215-69791252400 INTERCHANGEABLE
Insulator,spacer
Phoenix Products Llc Dba Phoenix Lighting Products Llc
5305-01-273-498212524 INTERCHANGEABLE
Screw,cap,socket Head
Sps Technologies, Llc Dba PB Fasteners
2510-01-345-401812524 INTERCHANGEABLE
Frame Section,structural,vehicul
DP Manufacturing Inc.
4510-01-470-412112524 INTERCHANGEABLE
Closet Bolt Package
Thetford Corp
4820-01-498-6316 INTERCHANGEABLE
Valve,ball
Cross-Reference Index
Part NumberManufacturer
1F4516 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
12524 Precision Dynamics Corporation (USA)
12524A Compair Kellogg Div of Robertshaw Controls Co (USA)
12524A Leroi International Inc Dba Compair Leroi (USA)
12524 Shilog, Ltd Dba Shilog Ltd (USA)
Related Parts
5330-00-003-9280INTERCHANGEABLE
SEAL,PLAIN ENCASED
50141S
5950-00-255-3504INTERCHANGEABLE
TRANSFORMER,PULSE
12524
5330-00-588-0268INTERCHANGEABLE
GASKET
12-524
5950-00-716-7446INTERCHANGEABLE
REACTOR
12524
4820-01-045-7791INTERCHANGEABLE
SEAT,VALVE
12524
5970-01-215-6979INTERCHANGEABLE
INSULATOR,SPACER
1252400
5305-01-273-4982INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
12524
2510-01-345-4018INTERCHANGEABLE
FRAME SECTION,STRUCTURAL,VEHICUL
12524
4510-01-470-4121INTERCHANGEABLE
CLOSET BOLT PACKAGE
12524
4820-01-498-6316INTERCHANGEABLE
VALVE,BALL
5340-01-628-6076INTERCHANGEABLE
LOCK,FLUSH
12524
1730-01-654-2940INTERCHANGEABLE
GROOVED PIN A00
12524

Frequently Asked Questions

What is NSN 4310-00-431-1648?

NSN 4310-00-431-1648 is a Retainer, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 4310 (No Item Name Available). Status: active.

What are the part numbers for NSN 4310-00-431-1648?

NSN 4310-00-431-1648 has 5 cross-referenced part numbers: 1F4516 (Caterpillar Inc Div Caterpillar Defense), 12524 (Precision Dynamics Corporation), 12524A (Compair Kellogg Div of Robertshaw Controls Co), 12524A (Leroi International Inc Dba Compair Leroi), 12524 (Shilog, Ltd Dba Shilog Ltd).

What NSN replaces 4310-00-431-1648?

There are 12 known substitutes for 4310-00-431-1648: 5330-00-003-9280, 5950-00-255-3504, 5330-00-588-0268 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1F4516?

Key specifications for 1F4516: General Characteristics Item Description: STEEL,CYANIDE HARDEN; CENTER HOLE 0.250 IN. DIA; 6 HOLES 0.250 IN. DIA ON 0.656 IN. BOLT CIRCLE DIA OD; RECESSED ONE SIDE 0.875 IN. DIA BY 0.125 IN. DP IN. 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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