PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3B4621Pin,cotter

Caterpillar Inc Div Caterpillar Defense · NSN 5315-00-010-3389 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-00-010-3389 — this item is cataloged by the U.S. Government under National Stock Number 5315-00-010-3389. Primary manufacturer part number: 3B4621.
Features
  • Pin,cotter — FSC 5315
  • Diameter: 0.500 INCHES NOMINAL IN
  • Point Type: STANDARD
  • Underloop Length: 2.000 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Style Designator: STANDARD
  • 37 verified cross-references
  • Primary manufacturer: Caterpillar Inc Div Caterpillar Defense
Applications
  • Applications requiring Steel Overall construction
General Description

The Pin,cotter, cataloged under National Stock Number 5315-00-010-3389, is classified within Federal Supply Class 5315 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 37 commercial cross-references from 31 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
NSN5315-00-010-3389
Primary Part Number3B4621
Item NamePin,cotter
FSC / FSG5315 / 53 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Diameter0.500 INCHES NOMINAL IN
Point TypeSTANDARD
Underloop Length2.000 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Style DesignatorSTANDARD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2915-00-021-6864P108 INTERCHANGEABLE
Cover Assembly,pump
Weldon Pump Llc
6610-00-100-1186103389 INTERCHANGEABLE
Support,spheroid
Astronautics Corporation of America
6530-00-137-3015 INTERCHANGEABLE
Pad,physicotherapeutic Pressure
3010-00-166-6299280-5 INTERCHANGEABLE
Coupling Half,shaft
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
5120-00-224-3154 INTERCHANGEABLE
Wrench,box
5905-00-235-0772 INTERCHANGEABLE
Resistor,fixed,wire Wound
3455-00-250-0766 INTERCHANGEABLE
Cutter,milling,end
3445-00-263-0077 INTERCHANGEABLE
Shearing Machine,metal,squaring
5325-00-275-58832805 INTERCHANGEABLE
Grommet,nonmetallic
Atlantic India Rubber Co Inc
5340-00-290-41441808 INTERCHANGEABLE
Hook,screw
Hindley Manufacturing Company Inc
Cross-Reference Index
Part NumberManufacturer
S47-036 Heil Co Tec Div (USA)
2805 Gate City Steel Corp (USA)
18X2 Standard Forge and Axle Co Inc (USA)
119 Saf-Holland, Inc. (USA)
11X Napco International Llc Dba Napco International Inc (USA)
X1975 Meritor Heavy Vehicle Systems, Llc (USA)
Z586 Diamond Reo Truck Co (USA)
P108 Fmc Corp (USA)
P108 Amz Alabama Inc. (USA)
3B4621 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
S47-036 Heil Environmental Industries (USA)
103389 General Motors Corp (USA)
103389 Army Weapons Command Attn Amswe-Ree-S (USA)
7297J Diamond Reo Truck Co (USA)
8A7170 Napco International Llc Dba Napco International Inc (USA)
K248 Meritor Heavy Vehicle Systems, Llc (USA)
50-5A39 Trailmobile Inc Sub of the Pullman Co (USA)
72107S Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
S15X22 White Motor Corp (USA)
S2208 Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA)
Related Parts
2915-00-021-6864INTERCHANGEABLE
COVER ASSEMBLY,PUMP
P108
6610-00-100-1186INTERCHANGEABLE
SUPPORT,SPHEROID
103389
6530-00-137-3015INTERCHANGEABLE
PAD,PHYSICOTHERAPEUTIC PRESSURE
3010-00-166-6299INTERCHANGEABLE
COUPLING HALF,SHAFT
280-5
5120-00-224-3154INTERCHANGEABLE
WRENCH,BOX
5905-00-235-0772INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
3455-00-250-0766INTERCHANGEABLE
CUTTER,MILLING,END
3445-00-263-0077INTERCHANGEABLE
SHEARING MACHINE,METAL,SQUARING
5325-00-275-5883INTERCHANGEABLE
GROMMET,NONMETALLIC
2805
5340-00-290-4144INTERCHANGEABLE
HOOK,SCREW
1808
4310-00-344-0728INTERCHANGEABLE
RING,PISTON
1SS02560100275660
6105-00-389-7994INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT

Frequently Asked Questions

What is NSN 5315-00-010-3389?

NSN 5315-00-010-3389 is a Pin,cotter, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5315 (No Item Name Available). Status: active.

What are the part numbers for NSN 5315-00-010-3389?

NSN 5315-00-010-3389 has 37 cross-referenced part numbers: S47-036 (Heil Co Tec Div), 2805 (Gate City Steel Corp), 18X2 (Standard Forge and Axle Co Inc), 119 (Saf-Holland, Inc.), 11X (Napco International Llc Dba Napco International Inc) and 32 more.

What NSN replaces 5315-00-010-3389?

There are 12 known substitutes for 5315-00-010-3389: 2915-00-021-6864, 6610-00-100-1186, 6530-00-137-3015 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3B4621?

Key specifications for 3B4621: Diameter: 0.500 INCHES NOMINAL IN; Point Type: STANDARD; Underloop Length: 2.000 INCHES NOMINAL IN; Material: STEEL OVERALL. 5 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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