PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

390012PC545Nut,self-Locking,cone Seat,hexag

Naval Ship Systems Command · NSN 5310-00-264-1382 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-264-1382 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-264-1382. Primary manufacturer part number: 390012PC545.
Features
  • Nut,self-Locking,cone Seat,hexag — FSC 5310
  • Nut Style: CONE SEAT, HEXAGON
  • Nut Height: 0.500 INCHES NOMINAL IN
  • Nominal Thread Size: 1.250 INCHES IN
  • Cone Seat Angle: 90.00 DEGREES NOMINAL
  • Thread Series: UNF
  • Thread Quantity Per Inch: 12
  • Width Across Flats: 1.625 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Nut,self-Locking,cone Seat,hexag, cataloged under National Stock Number 5310-00-264-1382, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-264-1382
Primary Part Number390012PC545
Item NameNut,self-Locking,cone Seat,hexag
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Nut StyleCONE SEAT, HEXAGON
Nut Height0.500 INCHES NOMINAL IN
Nominal Thread Size1.250 INCHES IN
Cone Seat Angle90.00 DEGREES NOMINAL
Thread SeriesUNF
Thread Quantity Per Inch12
Width Across Flats1.625 INCHES NOMINAL IN
MaterialCOPPER ALLOY OVERALL
Thread Class4B
Thread DirectionRIGHT-HAND
Locking FeaturePREVAILING TORQUE ALL METAL DESIGN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5315-00-290-916720545 INTERCHANGEABLE
Pin,cotter
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5950-00-919-7677 INTERCHANGEABLE
Transformer,audio Frequency
5360-01-145-1577 INTERCHANGEABLE
Spring,helical,compression
5998-01-181-346020545 INTERCHANGEABLE
Printed Circuit Board
Basic American Inc
4920-01-201-977020545 INTERCHANGEABLE
Smart Test Set
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
5330-01-358-95794615SHD2500 INTERCHANGEABLE
Ring,wiper
Parker-Hannifin Corporation Div Engineered Polymer Systems Division (eps)
3040-01-631-8742 INTERCHANGEABLE
Connecting Link,rigid
4940-01-664-610020545 INTERCHANGEABLE
Cleaner,pressure,solvent-Water
Briggs and Stratton Corp
Cross-Reference Index
Part NumberManufacturer
20-545 Hardie-Tynes Co., Inc. (USA)
390012PC545 PRIMARY Naval Ship Systems Command (USA)
150-435GPC545 Hardie-Tynes Co., Inc. (USA)
Related Parts
5315-00-290-9167INTERCHANGEABLE
PIN,COTTER
20545
5950-00-919-7677INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5360-01-145-1577INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5998-01-181-3460INTERCHANGEABLE
PRINTED CIRCUIT BOARD
20545
4920-01-201-9770INTERCHANGEABLE
SMART TEST SET
20545
5330-01-358-9579INTERCHANGEABLE
RING,WIPER
4615SHD2500
3040-01-631-8742INTERCHANGEABLE
CONNECTING LINK,RIGID
4940-01-664-6100INTERCHANGEABLE
CLEANER,PRESSURE,SOLVENT-WATER
20545

Frequently Asked Questions

What is NSN 5310-00-264-1382?

NSN 5310-00-264-1382 is a Nut,self-Locking,cone Seat,hexag, manufactured by Naval Ship Systems Command, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-264-1382?

NSN 5310-00-264-1382 has 3 cross-referenced part numbers: 20-545 (Hardie-Tynes Co., Inc.), 390012PC545 (Naval Ship Systems Command), 150-435GPC545 (Hardie-Tynes Co., Inc.).

What NSN replaces 5310-00-264-1382?

There are 8 known substitutes for 5310-00-264-1382: 5315-00-290-9167, 5950-00-919-7677, 5360-01-145-1577 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 390012PC545?

Key specifications for 390012PC545: Nut Style: CONE SEAT, HEXAGON; Nut Height: 0.500 INCHES NOMINAL IN; Nominal Thread Size: 1.250 INCHES IN; Cone Seat Angle: 90.00 DEGREES NOMINAL. 12 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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