PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66052N624Nut,self-Locking,single Ball Sea

Sps Technologies, Llc Dba PB Fasteners · NSN 5310-00-791-9606 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-791-9606 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-791-9606. Primary manufacturer part number: 66052N624.
Features
  • Nut,self-Locking,single Ball Sea — FSC 5310
  • Locking Feature: PREVAILING TORQUE ALL METAL DESIGN
  • Nut Height: 0.479 INCHES MINIMUM IN
  • Surface Treatment Document and Classification: AMS 2416 ASSN STD ALL TREATMENT RESPONSES OVERALL
  • Specification/standard Data: 76301-ST3-588 MANUFACTURERS STANDARD
  • Material: STEEL COMP 601 OVERALL
  • Nominal Thread Size: 0.375 INCHES IN
  • Temp Rating: 450.0 FAHRENHEIT MAXIMUM DEGF
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 601 Overall construction
General Description

The Nut,self-Locking,single Ball Sea, cataloged under National Stock Number 5310-00-791-9606, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN5310-00-791-9606
Primary Part Number66052N624
Item NameNut,self-Locking,single Ball Sea
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSps Technologies, Llc Dba PB Fasteners
StatusACTIVE
Locking FeaturePREVAILING TORQUE ALL METAL DESIGN
Nut Height0.479 INCHES MINIMUM IN
Surface Treatment Document and ClassificationAMS 2416 ASSN STD ALL TREATMENT RESPONSES OVERALL
Specification/standard Data76301-ST3-588 MANUFACTURERS STANDARD
MaterialSTEEL COMP 601 OVERALL
Nominal Thread Size0.375 INCHES IN
Temp Rating450.0 FAHRENHEIT MAXIMUM DEGF
Thread Class3B
Surface TreatmentNICKEL AND CADMIUM OVERALL
Thread SeriesUNIFIED NATIONAL JOINT FINE (UNJF)
Material Document and ClassificationAMS 6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Ball Seat Radius0.456 INCHES NOMINAL IN
LubricationDRY FILM LUBRICANT
Nut StyleSINGLE BALL SEAT, DOUBLE HEXAGON
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch24
Width Across Flats0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5330-00-877-69662381-6 INTERCHANGEABLE
Packing with Retainer
Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp
Cross-Reference Index
Part NumberManufacturer
ST3M588-6 The Boeing Company Div Defense (USA)
ST3M588-6 T.a.p. Tool Inc. (USA)
66052N624 PRIMARY Sps Technologies, Llc Dba PB Fasteners (USA)
66052N624 Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana (USA)
Related Parts
5330-00-877-6966INTERCHANGEABLE
PACKING WITH RETAINER
2381-6

Frequently Asked Questions

What is NSN 5310-00-791-9606?

NSN 5310-00-791-9606 is a Nut,self-Locking,single Ball Sea, 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 5310-00-791-9606?

NSN 5310-00-791-9606 has 4 cross-referenced part numbers: ST3M588-6 (The Boeing Company Div Defense), ST3M588-6 (T.a.p. Tool Inc.), 66052N624 (Sps Technologies, Llc Dba PB Fasteners), 66052N624 (Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana).

What NSN replaces 5310-00-791-9606?

There is 1 known substitute for 5310-00-791-9606: 5330-00-877-6966. Verify interchangeability with system specifications before substitution.

What are the specifications of 66052N624?

Key specifications for 66052N624: Locking Feature: PREVAILING TORQUE ALL METAL DESIGN; Nut Height: 0.479 INCHES MINIMUM IN; Surface Treatment Document and Classification: AMS 2416 ASSN STD ALL TREATMENT RESPONSES OVERALL; Special Features: CYLINDRICAL PROTRUSION ON ONE END. 18 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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