PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ST3M612C9MNut,plain,extended Washer,double

Sps Technologies, Llc Dba PB Fasteners · NSN 5310-01-024-6297 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-024-6297 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-024-6297. Primary manufacturer part number: ST3M612C9M.
Features
  • Nut,plain,extended Washer,double — FSC 5310
  • Nut Style: DOUBLE HEXAGON
  • Surface Treatment: PASSIVATE OVERALL
  • Thread Direction: RIGHT-HAND
  • Material Document and Classification: AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Thread Quantity Per Inch: 18
  • Width Across Flats: 0.679 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN
  • Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF)
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Nickel Alloy 718 Overall construction
General Description

The Nut,plain,extended Washer,double, cataloged under National Stock Number 5310-01-024-6297, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 11 verified specifications, 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-024-6297
Primary Part NumberST3M612C9M
Item NameNut,plain,extended Washer,double
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSps Technologies, Llc Dba PB Fasteners
StatusACTIVE
Nut StyleDOUBLE HEXAGON
Surface TreatmentPASSIVATE OVERALL
Thread DirectionRIGHT-HAND
Material Document and ClassificationAMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Thread Quantity Per Inch18
Width Across Flats0.679 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN
Thread SeriesUNIFIED NATIONAL JOINT FINE (UNJF)
Nominal Thread Size0.562 INCHES IN
Thread Class3B
MaterialNICKEL ALLOY 718 OVERALL
Washer Outside Diameter0.880 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5935-00-001-5804115729-017 INTERCHANGEABLE
Connector,plug,electrical
L3harris Technologies, Inc.
5310-00-011-57290117 INTERCHANGEABLE
Nut,plain,hexagon
Harley Davidson Motor Co Inc
5310-00-977-2587NT406346 INTERCHANGEABLE
Nut
Ambac International Corporation Div Ambac International
5310-01-097-7698 INTERCHANGEABLE
Nut
Cross-Reference Index
Part NumberManufacturer
11572-9 Harvard Industries Inc (USA)
ST3M612C9M PRIMARY Sps Technologies, Llc Dba PB Fasteners (USA)
74384M9 Sps Technologies, Llc Dba PB Fasteners (USA)
74384-9M Sps Technologies, Llc Dba PB Fasteners (USA)
ST3M612C9M The Boeing Company Div Defense (USA)
Related Parts
5935-00-001-5804INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
115729-017
5310-00-011-5729INTERCHANGEABLE
NUT,PLAIN,HEXAGON
0117
5310-00-977-2587INTERCHANGEABLE
NUT
NT406346
5310-01-097-7698INTERCHANGEABLE
NUT

Frequently Asked Questions

What is NSN 5310-01-024-6297?

NSN 5310-01-024-6297 is a Nut,plain,extended Washer,double, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-024-6297?

NSN 5310-01-024-6297 has 5 cross-referenced part numbers: 11572-9 (Harvard Industries Inc), ST3M612C9M (Sps Technologies, Llc Dba PB Fasteners), 74384M9 (Sps Technologies, Llc Dba PB Fasteners), 74384-9M (Sps Technologies, Llc Dba PB Fasteners), ST3M612C9M (The Boeing Company Div Defense).

What NSN replaces 5310-01-024-6297?

There are 4 known substitutes for 5310-01-024-6297: 5935-00-001-5804, 5310-00-011-5729, 5310-00-977-2587 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ST3M612C9M?

Key specifications for ST3M612C9M: Nut Style: DOUBLE HEXAGON; Surface Treatment: PASSIVATE OVERALL; Thread Direction: RIGHT-HAND; Material Document and Classification: AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 13 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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