PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

639333Nut,self-Locking,clinch

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5310-00-153-8400 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-153-8400 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-153-8400. Primary manufacturer part number: 639333.
Features
  • Nut,self-Locking,clinch — FSC 5310
  • Thread Direction: RIGHT-HAND
  • Pilot Length: 0.075 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
  • Hardness Rating: 25.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM
  • Nominal Thread Size: 0.250 INCHES IN
  • Thread Quantity Per Inch: 28
  • Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF)
  • Locking Feature: PREVAILING TORQUE ALL METAL DESIGN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 8740 Overall construction
General Description

The Nut,self-Locking,clinch, cataloged under National Stock Number 5310-00-153-8400, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5310-00-153-8400
Primary Part Number639333
Item NameNut,self-Locking,clinch
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Thread DirectionRIGHT-HAND
Pilot Length0.075 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
Hardness Rating25.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM
Nominal Thread Size0.250 INCHES IN
Thread Quantity Per Inch28
Thread SeriesUNIFIED NATIONAL JOINT FINE (UNJF)
Locking FeaturePREVAILING TORQUE ALL METAL DESIGN
MaterialSTEEL COMP 8740 OVERALL
Nut Diameter0.412 INCHES MINIMUM AND 0.432 INCHES MAXIMUM IN
Material Document and ClassificationAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nut Height0.387 INCHES MINIMUM AND 0.392 INCHES MAXIMUM IN
Surface TreatmentCADMIUM OVERALL
Surface Treatment Document and ClassificationAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Thread Class3B
Pilot Diameter0.304 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5962-01-089-1912 INTERCHANGEABLE
Microcircuit,digital
Cross-Reference Index
Part NumberManufacturer
639333 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
LHL9249-5-4 Harvard Industries Inc (USA)
Related Parts
5962-01-089-1912INTERCHANGEABLE
MICROCIRCUIT,DIGITAL

Frequently Asked Questions

What is NSN 5310-00-153-8400?

NSN 5310-00-153-8400 is a Nut,self-Locking,clinch, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-153-8400?

NSN 5310-00-153-8400 has 2 cross-referenced part numbers: 639333 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), LHL9249-5-4 (Harvard Industries Inc).

What NSN replaces 5310-00-153-8400?

There is 1 known substitute for 5310-00-153-8400: 5962-01-089-1912. Verify interchangeability with system specifications before substitution.

What are the specifications of 639333?

Key specifications for 639333: Thread Direction: RIGHT-HAND; Pilot Length: 0.075 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN; Hardness Rating: 25.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM; Nominal Thread Size: 0.250 INCHES IN. 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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