PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28778Nut,plain,octagon

Curtiss-Wright Controls, Inc. Div Actuation Division · NSN 5310-00-534-9780 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-534-9780 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-534-9780. Primary manufacturer part number: 28778.
Features
  • Nut,plain,octagon — FSC 5310
  • Nut Height: 0.500 INCHES NOMINAL IN
  • Nut Style: PLAIN, OCTAGON
  • Bearing Surface Type: CHAMFERED
  • Thread Class: 2B
  • Thread Direction: RIGHT-HAND
  • 1 verified cross-reference
  • Primary manufacturer: Curtiss-Wright Controls, Inc. Div Actuation Division
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Nut,plain,octagon, cataloged under National Stock Number 5310-00-534-9780, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Curtiss-Wright Controls, Inc. Div Actuation Division. Government technical data includes 5 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-534-9780
Primary Part Number28778
Item NameNut,plain,octagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCurtiss-Wright Controls, Inc. Div Actuation Division
StatusACTIVE
Nut Height0.500 INCHES NOMINAL IN
Nut StylePLAIN, OCTAGON
Bearing Surface TypeCHAMFERED
Thread Class2B
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
1680-00-099-785128778 INTERCHANGEABLE
Gearshaft,worm and
Honeywell International Inc. Div Aerospace - Torrance
5331-00-291-483528778 INTERCHANGEABLE
O-Ring
Hamilton Sundstrand Corporation
4810-01-052-273528778 INTERCHANGEABLE
Rack,piston
Moog Inc. Dba Ampac-Isp Corp
Cross-Reference Index
Part NumberManufacturer
28778 PRIMARY Curtiss-Wright Controls, Inc. Div Actuation Division (USA)
Related Parts
1680-00-099-7851INTERCHANGEABLE
GEARSHAFT,WORM AND
28778
5331-00-291-4835INTERCHANGEABLE
O-RING
28778
4810-01-052-2735INTERCHANGEABLE
RACK,PISTON
28778

Frequently Asked Questions

What is NSN 5310-00-534-9780?

NSN 5310-00-534-9780 is a Nut,plain,octagon, manufactured by Curtiss-Wright Controls, Inc. Div Actuation Division, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-534-9780?

NSN 5310-00-534-9780 has 1 cross-referenced part number: 28778 (Curtiss-Wright Controls, Inc. Div Actuation Division).

What NSN replaces 5310-00-534-9780?

There are 3 known substitutes for 5310-00-534-9780: 1680-00-099-7851, 5331-00-291-4835, 4810-01-052-2735. Verify interchangeability with system specifications before substitution.

What are the specifications of 28778?

Key specifications for 28778: Nut Height: 0.500 INCHES NOMINAL IN; Nut Style: PLAIN, OCTAGON; Bearing Surface Type: CHAMFERED; Thread Class: 2B. 5 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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