PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

445402Nut,plain,round

Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer · NSN 5310-00-422-2530 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-422-2530 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-422-2530. Primary manufacturer part number: 445402.
Features
  • Nut,plain,round — FSC 5310
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
  • Thread Class: 2B
  • Material Document and Classification: ESR B16-113 FSCM 07524 MFR REF SINGLE MATERIAL RESPONSE OVERALL
  • Hardness Rating: 50.0 ROCKWELL C MINIMUM AND 70.0 ROCKWELL C MAXIMUM
  • Nominal Thread Size: 1.000 INCHES IN
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Thread Quantity Per Inch: 8
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Polytetrafluoroethylene Overall construction
General Description

The Nut,plain,round, cataloged under National Stock Number 5310-00-422-2530, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5310-00-422-2530
Primary Part Number445402
Item NameNut,plain,round
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerDover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
StatusACTIVE
MaterialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
Thread Class2B
Material Document and ClassificationESR B16-113 FSCM 07524 MFR REF SINGLE MATERIAL RESPONSE OVERALL
Hardness Rating50.0 ROCKWELL C MINIMUM AND 70.0 ROCKWELL C MAXIMUM
Nominal Thread Size1.000 INCHES IN
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch8
Nut StyleROUND
Nut Thickness0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Nut Diameter1.368 INCHES MINIMUM AND 1.373 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5999-00-495-302544540-2 INTERCHANGEABLE
Contact Assembly,electrical
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
6210-00-504-109351-0901-0112-301 INTERCHANGEABLE
Light,indicator
Dialight Corporation
Cross-Reference Index
Part NumberManufacturer
445402 PRIMARY Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
Related Parts
5999-00-495-3025INTERCHANGEABLE
CONTACT ASSEMBLY,ELECTRICAL
44540-2
6210-00-504-1093INTERCHANGEABLE
LIGHT,INDICATOR
51-0901-0112-301

Frequently Asked Questions

What is NSN 5310-00-422-2530?

NSN 5310-00-422-2530 is a Nut,plain,round, manufactured by Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-422-2530?

NSN 5310-00-422-2530 has 1 cross-referenced part number: 445402 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer).

What NSN replaces 5310-00-422-2530?

There are 2 known substitutes for 5310-00-422-2530: 5999-00-495-3025, 6210-00-504-1093. Verify interchangeability with system specifications before substitution.

What are the specifications of 445402?

Key specifications for 445402: Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL; Thread Class: 2B; Material Document and Classification: ESR B16-113 FSCM 07524 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Hardness Rating: 50.0 ROCKWELL C MINIMUM AND 70.0 ROCKWELL C MAXIMUM. 11 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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