PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H29164-5Nut,self-Locking,extended Washer

Howmet Global Fastening Systems Inc · NSN 5310-01-486-1024 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-486-1024 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-486-1024. Primary manufacturer part number: H29164-5.
Features
  • Nut,self-Locking,extended Washer — FSC 5310
  • Nut Style: HEXAGON
  • Hardness Rating: 32.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
  • Material Document and Classification: AMS 5525 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5732 ASSN STD 2ND MATERIAL RESPONSE OVERALL
  • Material: IRON ALLOY 660 OVERALL
  • Washer Outside Diameter: 0.520 INCHES MAXIMUM IN
  • Nominal Thread Size: 0.312 INCHES IN
  • Thread Class: 3B
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Iron Alloy 660 Overall construction
General Description

The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-486-1024, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 14 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-486-1024
Primary Part NumberH29164-5
Item NameNut,self-Locking,extended Washer
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHowmet Global Fastening Systems Inc
StatusACTIVE
Nut StyleHEXAGON
Hardness Rating32.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
Material Document and ClassificationAMS 5525 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5732 ASSN STD 2ND MATERIAL RESPONSE OVERALL
MaterialIRON ALLOY 660 OVERALL
Washer Outside Diameter0.520 INCHES MAXIMUM IN
Nominal Thread Size0.312 INCHES IN
Thread Class3B
Locking FeaturePREVAILING TORQUE ALL METAL DESIGN
Width Across Flats0.367 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN
Thread Quantity Per Inch24
Temp Rating850.0 FAHRENHEIT NOMINAL DEGF
Washer Thickness0.040 INCHES MINIMUM IN
Thread DirectionRIGHT-HAND
Thread SeriesUNIFIED NATIONAL JOINT FINE (UNJF)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4730-00-014-2432SAE J512 4 040110B INTERCHANGEABLE
Inverted Nut,tube Coupling
Sae International Dba Sae International
5365-00-203-4744216014 INTERCHANGEABLE
Bushing,machine Thread
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Cross-Reference Index
Part NumberManufacturer
ST2729-14 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
H29164-5 PRIMARY Howmet Global Fastening Systems Inc (USA)
E11520-5 Sps Technologies, Llc Dba PB Fasteners (USA)
74735-524 Sps Technologies, Llc Dba PB Fasteners (USA)
2160-14 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
4730-00-014-2432INTERCHANGEABLE
INVERTED NUT,TUBE COUPLING
SAE J512 4 040110B
5365-00-203-4744INTERCHANGEABLE
BUSHING,MACHINE THREAD
216014

Frequently Asked Questions

What is NSN 5310-01-486-1024?

NSN 5310-01-486-1024 is a Nut,self-Locking,extended Washer, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-486-1024?

NSN 5310-01-486-1024 has 5 cross-referenced part numbers: ST2729-14 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), H29164-5 (Howmet Global Fastening Systems Inc), E11520-5 (Sps Technologies, Llc Dba PB Fasteners), 74735-524 (Sps Technologies, Llc Dba PB Fasteners), 2160-14 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 5310-01-486-1024?

There are 2 known substitutes for 5310-01-486-1024: 4730-00-014-2432, 5365-00-203-4744. Verify interchangeability with system specifications before substitution.

What are the specifications of H29164-5?

Key specifications for H29164-5: Nut Style: HEXAGON; Hardness Rating: 32.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM; Material Document and Classification: AMS 5525 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5732 ASSN STD 2ND MATERIAL RESPONSE OVERALL; Material: IRON ALLOY 660 OVERALL. 15 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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