NSN 5310-00-146-0784 · NIIN 001460784 · Part number 528
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 77445
Government record, cited
NSN 5310-00-146-0784 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-146-0784. Manufacturer of record part number: 528.
Also searched as5310-00-146-0784 ·
5310001460784 ·
NIIN 001460784 ·
00-146-0784 ·
FSC 5310 Nuts and Washers · CAGE 77445 · 528
Width Across Flats: 0.616 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
Thread Series: UNIFIED NATIONAL COARSE (UNC)
Thread Direction: RIGHT-HAND
Nominal Thread Size: 0.375 INCHES IN
Nut Height: 0.312 INCHES NOMINAL IN
Nut Style: CASTELLATED, HEXAGON
Thread Class: 2B
Identification
NSN: 5310-00-146-0784
NIIN: 001460784
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 528
Manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
General Description
The Nut,plain,castellated,hexagon, cataloged under National Stock Number 5310-00-146-0784, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5310-00-146-0784
Primary Part Number
528
Item Name
Nut,plain,castellated,hexagon
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
No interchangeability data on file.
Other items in FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040
5310-00-000-0040 · Item name not on file
5310-00-000-0077
NUT,PLAIN,ROUND
5310-00-000-0079
WASHER,FLAT
5310-00-000-0079
WASHER,FLAT
5310-00-000-1146
5310-00-000-1146 · Item name not on file
5310-00-000-3815
5310-00-000-3815 · Item name not on file
5310-00-000-4532
5310-00-000-4532 · Item name not on file
5310-00-000-4540
5310-00-000-4540 · Item name not on file
Frequently Asked Questions
What is NSN 5310-00-146-0784?
NSN 5310-00-146-0784 is a Nut,plain,castellated,hexagon, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-00-146-0784?
NSN 5310-00-146-0784 has 2 manufacturer part numbers on file: 528 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 528 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
What are the specifications of 528?
Key specifications for 528: Width Across Flats: 0.616 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.375 INCHES IN. 10 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-146-0784 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.