PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9121-1Rod,threaded End

Cooper Machinery Services Llc · NSN 5306-00-415-5418 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-415-5418 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-415-5418. Primary manufacturer part number: 9121-1.
Features
  • Rod,threaded End — FSC 5306
  • Hardness Rating: 25.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM
  • Thread Quantity Per Inch: 8 NUT THREAD B
  • Material: STEEL COMP 4142
  • Thread Length: 3.703 INCHES NOMINAL NUT THREAD B IN
  • Thread Class: 3A NUT THREAD A A
  • Thread Series Designator: UN NUT THREAD B
  • Thread Direction: RIGHT-HAND NUT THREAD A
Applications
  • Applications requiring Steel Comp 4142 construction
General Description

The Rod,threaded End, cataloged under National Stock Number 5306-00-415-5418, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cooper Machinery Services Llc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-415-5418
Primary Part Number9121-1
Item NameRod,threaded End
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerCooper Machinery Services Llc
StatusACTIVE
Hardness Rating25.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM
Thread Quantity Per Inch8 NUT THREAD B
MaterialSTEEL COMP 4142
Thread Length3.703 INCHES NOMINAL NUT THREAD B IN
Thread Class3A NUT THREAD A A
Thread Series DesignatorUN NUT THREAD B
Thread DirectionRIGHT-HAND NUT THREAD A
Thread Class3A NUT THREAD B A
Thread Series DesignatorUN NUT THREAD A
Thread Quantity Per Inch8 NUT THREAD A
Thread DirectionRIGHT-HAND NUT THREAD B
Nominal Thread Size2.000 INCHES NUT THREAD A IN
Thread Length3.625 INCHES NOMINAL NUT THREAD A IN
Nominal Thread Size2.000 INCHES NUT THREAD B IN
Material Document and ClassificationSAE4142 ASSN STD SINGLE MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5315-00-172-75479121-1 INTERCHANGEABLE
Pin,straight,headless
Cummins Inc.
5365-00-216-550891211 INTERCHANGEABLE
Shim,solenoid Valve
Hamilton Sundstrand Corporation Dba Collins Aerospace
5310-00-262-471111A7231 INTERCHANGEABLE
Washer,flat
Napco International Llc Dba Napco International Inc
5950-00-498-55704-1809 INTERCHANGEABLE
Transformer,power
Tranex, Inc.
5315-00-653-57797057652 INTERCHANGEABLE
Pin,shoulder,headless
U S Army Tank Automotive Command Amsta-Im-Mm
5330-01-219-70489121-1 INTERCHANGEABLE
Seal,plain
Eaton Corporation Div Eaton Fluid Power
8520-01-286-922191211 INTERCHANGEABLE
Soap,toilet
Sani-Fresh International
4920-01-296-157091211 INTERCHANGEABLE
Test Program Set
Textron Systems Corporation Dba Textron Systems Corp
6615-01-354-75279121-1 INTERCHANGEABLE
Gyroscope,rate
Mid-Continent Instrument Co Inc
Cross-Reference Index
Part NumberManufacturer
9121-1 PRIMARY Cooper Machinery Services Llc (USA)
Related Parts
5315-00-172-7547INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
9121-1
5365-00-216-5508INTERCHANGEABLE
SHIM,SOLENOID VALVE
91211
5310-00-262-4711INTERCHANGEABLE
WASHER,FLAT
11A7231
5950-00-498-5570INTERCHANGEABLE
TRANSFORMER,POWER
4-1809
5315-00-653-5779INTERCHANGEABLE
PIN,SHOULDER,HEADLESS
7057652
5330-01-219-7048INTERCHANGEABLE
SEAL,PLAIN
9121-1
8520-01-286-9221INTERCHANGEABLE
SOAP,TOILET
91211
4920-01-296-1570INTERCHANGEABLE
TEST PROGRAM SET
91211
6615-01-354-7527INTERCHANGEABLE
GYROSCOPE,RATE
9121-1

Frequently Asked Questions

What is NSN 5306-00-415-5418?

NSN 5306-00-415-5418 is a Rod,threaded End, manufactured by Cooper Machinery Services Llc, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-415-5418?

NSN 5306-00-415-5418 has 1 cross-referenced part number: 9121-1 (Cooper Machinery Services Llc).

What NSN replaces 5306-00-415-5418?

There are 9 known substitutes for 5306-00-415-5418: 5315-00-172-7547, 5365-00-216-5508, 5310-00-262-4711 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9121-1?

Key specifications for 9121-1: Hardness Rating: 25.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM; Thread Quantity Per Inch: 8 NUT THREAD B; Material: STEEL COMP 4142; Thread Length: 3.703 INCHES NOMINAL NUT THREAD B IN. 17 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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