PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9121-1Pin,straight,headless

Cummins Inc. · NSN 5315-00-172-7547 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-00-172-7547 — this item is cataloged by the U.S. Government under National Stock Number 5315-00-172-7547. Primary manufacturer part number: 9121-1.
Features
  • Pin,straight,headless — FSC 5315
  • Pin Overall Length: 1.437 INCHES NOMINAL IN
  • First End Countersink Angle: 45.0 DEGREES NOMINAL
  • Distance From Centerline of Hole to End of Pin: 0.156 INCHES NOMINAL IN
  • Material: COPPER ALLOY OVERALL
  • Hole Arrangement Style: ONE END DRILLED
  • First End Countersink Diameter: 0.218 INCHES NOMINAL IN
  • First End Style: COUNTERSUNK
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Pin,straight,headless, cataloged under National Stock Number 5315-00-172-7547, is classified within Federal Supply Class 5315 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cummins Inc.. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references 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: Cancelled.

Technical Specifications
ParameterValue
NSN5315-00-172-7547
Primary Part Number9121-1
Item NamePin,straight,headless
FSC / FSG5315 / 53 — No Item Name Available
ManufacturerCummins Inc.
StatusCANCELLED
Pin Overall Length1.437 INCHES NOMINAL IN
First End Countersink Angle45.0 DEGREES NOMINAL
Distance From Centerline of Hole to End of Pin0.156 INCHES NOMINAL IN
MaterialCOPPER ALLOY OVERALL
Hole Arrangement StyleONE END DRILLED
First End Countersink Diameter0.218 INCHES NOMINAL IN
First End StyleCOUNTERSUNK
First Hole Diameter0.125 INCHES NOMINAL IN
Pin Overall Diameter0.5000 INCHES NOMINAL IN
Second End Relationship with First EndIDENTICAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
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
5306-00-415-54189121-1 INTERCHANGEABLE
Rod,threaded End
Cooper Machinery Services Llc
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
SK1744DPC22 Cummins Inc. (USA)
H9121-1 Cummins Inc. (USA)
9121-1 PRIMARY Cummins Inc. (USA)
Related Parts
5365-00-216-5508INTERCHANGEABLE
SHIM,SOLENOID VALVE
91211
5310-00-262-4711INTERCHANGEABLE
WASHER,FLAT
11A7231
5306-00-415-5418INTERCHANGEABLE
ROD,THREADED END
9121-1
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 5315-00-172-7547?

NSN 5315-00-172-7547 is a Pin,straight,headless, manufactured by Cummins Inc., classified under FSC 5315 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5315-00-172-7547?

NSN 5315-00-172-7547 has 3 cross-referenced part numbers: SK1744DPC22 (Cummins Inc.), H9121-1 (Cummins Inc.), 9121-1 (Cummins Inc.).

What NSN replaces 5315-00-172-7547?

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

What are the specifications of 9121-1?

Key specifications for 9121-1: Pin Overall Length: 1.437 INCHES NOMINAL IN; First End Countersink Angle: 45.0 DEGREES NOMINAL; Distance From Centerline of Hole to End of Pin: 0.156 INCHES NOMINAL IN; Material: COPPER ALLOY OVERALL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5315-00-172-7547 still in active supply?

NSN 5315-00-172-7547 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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