PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1174587Nut,plain,castellated,hexagon

The Boeing Company · NSN 5310-00-268-6016 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-268-6016 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-268-6016. Primary manufacturer part number: 1174587.
Features
  • Nut,plain,castellated,hexagon — FSC 5310
  • Thread Class: 3B
  • Nut Style: CASTELLATED, HEXAGON
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Thread Quantity Per Inch: 20
  • Thread Direction: RIGHT-HAND
  • Nut Height: 0.281 INCHES NOMINAL IN
  • Nominal Thread Size: 0.250 INCHES IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy 462 or Copper Alloy 464 or Copper Alloy 482 or Copper Alloy 485 Overall construction
General Description

The Nut,plain,castellated,hexagon, cataloged under National Stock Number 5310-00-268-6016, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is The Boeing Company. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-268-6016
Primary Part Number1174587
Item NameNut,plain,castellated,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerThe Boeing Company
StatusCANCELLED
Thread Class3B
Nut StyleCASTELLATED, HEXAGON
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch20
Thread DirectionRIGHT-HAND
Nut Height0.281 INCHES NOMINAL IN
Nominal Thread Size0.250 INCHES IN
Bearing Surface TypeWASHER FACED
Width Across Flats0.438 INCHES NOMINAL IN
Material Document and ClassificationQQ-B-637 FED SPEC ALL MATERIAL RESPONSES OVERALL
MaterialCOPPER ALLOY 462 OR COPPER ALLOY 464 OR COPPER ALLOY 482 OR COPPER ALLOY 485 OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5325-00-663-2276488625-165 INTERCHANGEABLE
Ring,retaining
L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
6220-00-671-038210453 INTERCHANGEABLE
Retainer,lens
Grimes Aerospace Company
9540-00-727-262910453 INTERCHANGEABLE
Structural Section,special Shape
Alcoa/reynolds Metals Company
5330-00-757-168010453 INTERCHANGEABLE
Packing,preformed
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5999-00-799-5639 INTERCHANGEABLE
Mounting Pad,electrical-Electron
4330-01-227-7314 INTERCHANGEABLE
Filter,fluid
5360-01-385-551710453 INTERCHANGEABLE
Spring,helical,compression
Matthew Warren, Inc. Dba Century Spring Corp. Div Century Spring Corp.
5975-01-678-81041705 INTERCHANGEABLE
Base,mounting,electrical Fitting
Hubbell-Raco Inc
Cross-Reference Index
Part NumberManufacturer
S1174587 The Boeing Company (USA)
1174587 The Boeing Company (USA)
S1174587 The Boeing Company (USA)
10453 Northrop Grumman Systems Corporation (USA)
1174587 PRIMARY The Boeing Company (USA)
Related Parts
5325-00-663-2276INTERCHANGEABLE
RING,RETAINING
488625-165
6220-00-671-0382INTERCHANGEABLE
RETAINER,LENS
10453
9540-00-727-2629INTERCHANGEABLE
STRUCTURAL SECTION,SPECIAL SHAPE
10453
5330-00-757-1680INTERCHANGEABLE
PACKING,PREFORMED
10453
5999-00-799-5639INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
4330-01-227-7314INTERCHANGEABLE
FILTER,FLUID
5360-01-385-5517INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
10453
5975-01-678-8104INTERCHANGEABLE
BASE,MOUNTING,ELECTRICAL FITTING
1705

Frequently Asked Questions

What is NSN 5310-00-268-6016?

NSN 5310-00-268-6016 is a Nut,plain,castellated,hexagon, manufactured by The Boeing Company, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-268-6016?

NSN 5310-00-268-6016 has 5 cross-referenced part numbers: S1174587 (The Boeing Company), 1174587 (The Boeing Company), S1174587 (The Boeing Company), 10453 (Northrop Grumman Systems Corporation), 1174587 (The Boeing Company).

What NSN replaces 5310-00-268-6016?

There are 8 known substitutes for 5310-00-268-6016: 5325-00-663-2276, 6220-00-671-0382, 9540-00-727-2629 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1174587?

Key specifications for 1174587: Thread Class: 3B; Nut Style: CASTELLATED, HEXAGON; Part Name Assigned by Controlling Agency: NAVY SPECIAL PROJECT; Thread Series: UNIFIED NATIONAL COARSE (UNC). 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-268-6016 still in active supply?

NSN 5310-00-268-6016 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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