Nut, Self-Locking, Hexagon5310-01-559-3609

NSN 5310-01-559-3609 · NIIN 015593609 · Part number 812100

Ta Chen International, Inc. Div Polytec Shutters · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 6K2F4

Government record, cited

NSN 5310-01-559-3609 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-559-3609. Manufacturer of record part number: 812100.

Also searched as 5310-01-559-3609 · 5310015593609 · NIIN 015593609 · 01-559-3609 · FSC 5310 Nuts and Washers · CAGE 6K2F4 · 812100 · 90576A125

Nearby stock numbers ← 5310-01-559-3608 Washer, Flat · 5310-01-559-3633 Nut Assembly, Retainer Plate →

5310-01-559-3609 — Nuts and Washers

Features

Nut,self-Locking,hexagon — FSC 5310
Width Across Flats: 30.0 MILLIMETERS NOMINAL MM
Thread Series: M
Thread Pitch in Millimeters: 2.50
Thread Direction: RIGHT-HAND
Nominal Thread Size: 20.0 MILLIMETERS MM
Nut Height: 20.0 MILLIMETERS NOMINAL MM
Surface Treatment: ZINC OVERALL EXCEPT INSERT

Identification

NSN: 5310-01-559-3609
NIIN: 015593609
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 812100
Manufacturer: Ta Chen International, Inc. Div Polytec Shutters

General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-559-3609, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Ta Chen International, Inc. Div Polytec Shutters. 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	5310-01-559-3609
Primary Part Number	812100
Item Name	Nut,self-Locking,hexagon
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Ta Chen International, Inc. Div Polytec Shutters
Status	ACTIVE
Width Across Flats	30.0 MILLIMETERS NOMINAL MM
Thread Series	M
Thread Pitch in Millimeters	2.50
Thread Direction	RIGHT-HAND
Nominal Thread Size	20.0 MILLIMETERS MM
Nut Height	20.0 MILLIMETERS NOMINAL MM
Surface Treatment	ZINC OVERALL EXCEPT INSERT
Nut Style	HEXAGON
Material	STEEL OVERALL EXCEPT INSERT
Material	PLASTIC POLYAMIDE NYLON LOCKING INSERT

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
812100 PRIMARY	Ta Chen International, Inc. Div Polytec Shutters (USA)
90576A125	Mcmaster-Carr Supply Co (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 5310-01-559-3609?

NSN 5310-01-559-3609 is a Nut,self-Locking,hexagon, manufactured by Ta Chen International, Inc. Div Polytec Shutters, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-559-3609?

NSN 5310-01-559-3609 has 2 manufacturer part numbers on file: 812100 (Ta Chen International, Inc. Div Polytec Shutters), 90576A125 (Mcmaster-Carr Supply Co).

What are the specifications of 812100?

Key specifications for 812100: Width Across Flats: 30.0 MILLIMETERS NOMINAL MM; Thread Series: M; Thread Pitch in Millimeters: 2.50; Thread Direction: RIGHT-HAND. 10 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-559-3609 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.

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