PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

121951Stud,continuous Thread

Arnold a Semler Inc · NSN 5307-00-208-8142 · FSC 5307 · No Item Name Available
Verified by PartsTable
NSN 5307-00-208-8142 — this item is cataloged by the U.S. Government under National Stock Number 5307-00-208-8142. Primary manufacturer part number: 121951.
Features
  • Stud,continuous Thread — FSC 5307
  • Material: COPPER ALLOY
  • Nominal Thread Size: 0.250 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
  • Thread Quantity Per Inch: 28 LOCATION NOT OTHERWISE SPECIFIED
  • Thread Series Designator: UNF LOCATION NOT OTHERWISE SPECIFIED
  • Thread Class: 2A LOCATION NOT OTHERWISE SPECIFIED A
  • Thread Direction: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
  • Surface Treatment: NICKEL OVERALL
Applications
  • Applications requiring Copper Alloy construction
General Description

The Stud,continuous Thread, cataloged under National Stock Number 5307-00-208-8142, is classified within Federal Supply Class 5307 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Arnold a Semler Inc. Government technical data includes 7 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5307-00-208-8142
Primary Part Number121951
Item NameStud,continuous Thread
FSC / FSG5307 / 53 — No Item Name Available
ManufacturerArnold a Semler Inc
StatusCANCELLED
MaterialCOPPER ALLOY
Nominal Thread Size0.250 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
Thread Quantity Per Inch28 LOCATION NOT OTHERWISE SPECIFIED
Thread Series DesignatorUNF LOCATION NOT OTHERWISE SPECIFIED
Thread Class2A LOCATION NOT OTHERWISE SPECIFIED A
Thread DirectionRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
Surface TreatmentNICKEL OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5330-00-291-1955C131-5 INTERCHANGEABLE
Retainer,packing
Mack Trucks Inc Parts Opn
5315-00-705-2359121951 INTERCHANGEABLE
Key,machine
Hdt Expeditionary Systems Inc
5360-01-263-4232 INTERCHANGEABLE
Spring,helical,compression
6105-01-531-3190121951 INTERCHANGEABLE
Motor,control
Sea Tel, Inc. Dba Cobham Satcom Div Cobham Satcom
9150-01-723-6813121951 INTERCHANGEABLE
Grease,utility
Exxon Mobil Corporation Div Exxonmobil Fuels & Lubricants Company
Cross-Reference Index
Part NumberManufacturer
121951 Arnold a Semler Inc (USA)
Related Parts
5330-00-291-1955INTERCHANGEABLE
RETAINER,PACKING
C131-5
5315-00-705-2359INTERCHANGEABLE
KEY,MACHINE
121951
5360-01-263-4232INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
6105-01-531-3190INTERCHANGEABLE
MOTOR,CONTROL
121951
9150-01-723-6813INTERCHANGEABLE
GREASE,UTILITY
121951

Frequently Asked Questions

What is NSN 5307-00-208-8142?

NSN 5307-00-208-8142 is a Stud,continuous Thread, manufactured by Arnold a Semler Inc, classified under FSC 5307 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5307-00-208-8142?

NSN 5307-00-208-8142 has 1 cross-referenced part number: 121951 (Arnold a Semler Inc).

What NSN replaces 5307-00-208-8142?

There are 5 known substitutes for 5307-00-208-8142: 5330-00-291-1955, 5315-00-705-2359, 5360-01-263-4232 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 121951?

Key specifications for 121951: Overall Length: 1.750 INCHES NOMINAL IN; Material: COPPER ALLOY; Nominal Thread Size: 0.250 INCHES LOCATION NOT OTHERWISE SPECIFIED IN; Thread Quantity Per Inch: 28 LOCATION NOT OTHERWISE SPECIFIED. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5307-00-208-8142 still in active supply?

NSN 5307-00-208-8142 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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