Nut, Self-Locking, Hexagon5310-01-693-1784

NSN 5310-01-693-1784 · NIIN 016931784

FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives

Government record, cited

Also searched as 5310-01-693-1784 · 5310016931784 · NIIN 016931784 · 01-693-1784 · FSC 5310 Nuts and Washers

Nearby stock numbers ← 5310-01-693-1773 Nut, Plain, Square · 5310-01-693-1819 Washer, Flat →

5310-01-693-1784 — Nuts and Washers

Features

Nut,self-Locking,hexagon — FSC 5310
Width Across Flats: 0.551 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
Thread Series: UNIFIED NATIONAL COARSE (UNC)
Temp Rating: 250.0 FAHRENHEIT NOMINAL DEGF
Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM
Thread Direction: RIGHT-HAND
Nominal Thread Size: 0.375 INCHES IN
Locking Feature: PREVAILING TORQUE WITH NONMETALLIC INSERT

Identification

NSN: 5310-01-693-1784
NIIN: 016931784
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives

General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-693-1784, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	5310-01-693-1784
Item Name	Nut,self-Locking,hexagon
FSC / FSG	5310 / 53 — Nuts and Washers
Status	ACTIVE
Width Across Flats	0.551 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
Thread Series	UNIFIED NATIONAL COARSE (UNC)
Temp Rating	250.0 FAHRENHEIT NOMINAL DEGF
Hardness Rating	26.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM
Thread Direction	RIGHT-HAND
Nominal Thread Size	0.375 INCHES IN
Locking Feature	PREVAILING TORQUE WITH NONMETALLIC INSERT
Nut Height	0.468 INCHES MAXIMUM IN
Surface Treatment	PASSIVATE OVERALL EXCEPT INSERT
Nut Style	HEXAGON
Thread Class	3B
Thread Quantity Per Inch	16
Material	PLASTIC POLYAMIDE NYLON LOCKING INSERT
Material	STEEL COMP 303 NUT
Bearing Surface Type	CHAMFERED OR WASHER FACED

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

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
M45913/3-6CS3	2/2 Government specification standardization U.S. Government activity

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 5310-01-693-1784?

NSN 5310-01-693-1784 is a Nut,self-Locking,hexagon, classified under FSC 5310, Nuts and Washers. Status: active.

What are the specifications of 5310-01-693-1784?

Key specifications for 5310-01-693-1784: Width Across Flats: 0.551 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Temp Rating: 250.0 FAHRENHEIT NOMINAL DEGF; Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM. 15 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-693-1784 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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