NSN 5310-00-189-8545 · NIIN 001898545 · Part number NC300-20
Dresser Industries Inc Leroi Div · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 35301
Government record, cited
NSN 5310-00-189-8545 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-189-8545. Manufacturer of record part number: NC300-20.
Also searched as5310-00-189-8545 ·
5310001898545 ·
NIIN 001898545 ·
00-189-8545 ·
FSC 5310 Nuts and Washers · CAGE 35301 · NC300-20 · MILS933TYPEA · NC200PC20
Width Across Flats: 0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Thread Series: UNIFIED NATIONAL COARSE (UNC)
Material Document and Classification: QQ-N-35-CANC FED SPEC ALL MATERIAL RESPONSES OVERALL
Thread Direction: RIGHT-HAND
Nominal Thread Size: 0.190 INCHES IN
Departure From Cited Document: AS MODIFIED BY THD CLASS REQUIREMENT
Nondefinitive Spec/std Data: A TYPE
Identification
NSN: 5310-00-189-8545
NIIN: 001898545
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: NC300-20
Manufacturer: Dresser Industries Inc Leroi Div
General Description
The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-189-8545, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Dresser Industries Inc Leroi Div. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5310-00-189-8545
Primary Part Number
NC300-20
Item Name
Nut,plain,hexagon
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Dresser Industries Inc Leroi Div
Status
ACTIVE
Width Across Flats
0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Thread Series
UNIFIED NATIONAL COARSE (UNC)
Material Document and Classification
QQ-N-35-CANC FED SPEC ALL MATERIAL RESPONSES OVERALL
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 5310-00-189-8545?
NSN 5310-00-189-8545 is a Nut,plain,hexagon, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-00-189-8545?
NSN 5310-00-189-8545 has 2 manufacturer part numbers on file: NC300-20 (Dresser Industries Inc Leroi Div), NC200PC20 (Dresser Industries Inc Leroi Div).
What are the specifications of NC300-20?
Key specifications for NC300-20: Width Across Flats: 0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: QQ-N-35-CANC FED SPEC ALL MATERIAL RESPONSES OVERALL; Thread Direction: RIGHT-HAND. 13 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-189-8545 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.