PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

72-11700-303Nut,nozzle Retaining

Fairbanks Morse, Llc · NSN 5310-00-146-8318 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-146-8318 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-146-8318. Primary manufacturer part number: 72-11700-303.
Features
  • Nut,nozzle Retaining — FSC 5310
  • General Characteristics Item Description: STEEL;BLACK OXIDE;2.641 IN. O/A LG;1.750 IN. OF;W/1.312-12 UN 3B INTERNAL THD ON ONE END;1 IN. ID ON THE OTHER END IN
  • 5 verified cross-references
  • Primary manufacturer: Fairbanks Morse, Llc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Nut,nozzle Retaining, cataloged under National Stock Number 5310-00-146-8318, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fairbanks Morse, Llc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-146-8318
Primary Part Number72-11700-303
Item NameNut,nozzle Retaining
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFairbanks Morse, Llc
StatusACTIVE
General Characteristics Item DescriptionSTEEL;BLACK OXIDE;2.641 IN. O/A LG;1.750 IN. OF;W/1.312-12 UN 3B INTERNAL THD ON ONE END;1 IN. ID ON THE OTHER END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4310-01-064-7903B2632 INTERCHANGEABLE
Ring,piston
Kaydon Ring & Seal Inc Dba Skf Precision Technologies
Cross-Reference Index
Part NumberManufacturer
72-1170-303 Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco (USA)
72-11700-303 PRIMARY Fairbanks Morse, Llc (USA)
B2632 Haynes Corporation (USA)
72-11700-303 Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco (USA)
72-1170-303 Fairbanks Morse, Llc (USA)
Related Parts
4310-01-064-7903INTERCHANGEABLE
RING,PISTON
B2632

Frequently Asked Questions

What is NSN 5310-00-146-8318?

NSN 5310-00-146-8318 is a Nut,nozzle Retaining, manufactured by Fairbanks Morse, Llc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-146-8318?

NSN 5310-00-146-8318 has 5 cross-referenced part numbers: 72-1170-303 (Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco), 72-11700-303 (Fairbanks Morse, Llc), B2632 (Haynes Corporation), 72-11700-303 (Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco), 72-1170-303 (Fairbanks Morse, Llc).

What NSN replaces 5310-00-146-8318?

There is 1 known substitute for 5310-00-146-8318: 4310-01-064-7903. Verify interchangeability with system specifications before substitution.

What are the specifications of 72-11700-303?

Key specifications for 72-11700-303: General Characteristics Item Description: STEEL;BLACK OXIDE;2.641 IN. O/A LG;1.750 IN. OF;W/1.312-12 UN 3B INTERNAL THD ON ONE END;1 IN. ID ON THE OTHER END 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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