PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

263-041-1632Nut,plain,hexagon

Northrop Grumman Systems Corporation · NSN 5310-00-143-6475 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-143-6475 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-143-6475. Primary manufacturer part number: 263-041-1632.
Features
  • Nut,plain,hexagon — FSC 5310
  • Nominal Thread Size: 0.138 INCHES IN
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Thread Quantity Per Inch: 32
  • Bearing Surface Type: CHAMFERED
  • Thread Direction: RIGHT-HAND
  • Width Across Flats: 0.250 INCHES NOMINAL IN
  • Material Document and Classification: ASTM A582 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A582 ASSN STD 2ND MATERIAL RESPONSE OR QQ-S-763 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-763 FED SPEC 4TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 5TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 6TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 7TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 8TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 9TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 10TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 11TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 12TH MATERIAL RESPONSE OR Q-S-763 FED SPEC 13TH MATERIAL RESPONSE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 303 or Steel Comp 303SE or Steel Comp 302 or Steel Comp 304 or Steel Comp 304l or Steel Comp 305 or Steel Comp 309 or Steel Comp 310 or Steel Comp 316 or Steel Comp 316l or Steel Comp 317 or Steel Comp 321 or Steel Comp 347 Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-143-6475, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 12 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
NSN5310-00-143-6475
Primary Part Number263-041-1632
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
Nominal Thread Size0.138 INCHES IN
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch32
Bearing Surface TypeCHAMFERED
Thread DirectionRIGHT-HAND
Width Across Flats0.250 INCHES NOMINAL IN
Material Document and ClassificationASTM A582 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A582 ASSN STD 2ND MATERIAL RESPONSE OR QQ-S-763 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-763 FED SPEC 4TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 5TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 6TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 7TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 8TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 9TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 10TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 11TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 12TH MATERIAL RESPONSE OR Q-S-763 FED SPEC 13TH MATERIAL RESPONSE OVERALL
Nut Height0.094 INCHES NOMINAL IN
Thread Class2B
Surface TreatmentPASSIVATE OVERALL
Nut StyleHEXAGON
MaterialSTEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 309 OR STEEL COMP 310 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 347 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-616-8660NAS671C6 INTERCHANGEABLE
Nut,plain,hexagon
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
TYP300-6-32NC2BCRES Allmetal Screw Products Corp (USA)
263-041-1632 PRIMARY Northrop Grumman Systems Corporation (USA)
Related Parts
5310-00-616-8660INTERCHANGEABLE
NUT,PLAIN,HEXAGON
NAS671C6

Frequently Asked Questions

What is NSN 5310-00-143-6475?

NSN 5310-00-143-6475 is a Nut,plain,hexagon, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-143-6475?

NSN 5310-00-143-6475 has 2 cross-referenced part numbers: TYP300-6-32NC2BCRES (Allmetal Screw Products Corp), 263-041-1632 (Northrop Grumman Systems Corporation).

What NSN replaces 5310-00-143-6475?

There is 1 known substitute for 5310-00-143-6475: 5310-00-616-8660. Verify interchangeability with system specifications before substitution.

What are the specifications of 263-041-1632?

Key specifications for 263-041-1632: Nominal Thread Size: 0.138 INCHES IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Quantity Per Inch: 32; Bearing Surface Type: CHAMFERED. 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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