Nut, Self-Locking, Extended Washer5310-01-723-2558

NSN 5310-01-723-2558 · NIIN 017232558 · Part number 11241789

Fastenal Company Dba Fastenal Co · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 0Y3H3

Government record, cited

NSN 5310-01-723-2558 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-723-2558. Manufacturer of record part number: 11241789.

Also searched as 5310-01-723-2558 · 5310017232558 · NIIN 017232558 · 01-723-2558 · FSC 5310 Nuts and Washers · CAGE 0Y3H3 · 11241789

Nearby stock numbers ← 5310-01-723-2555 Nut, Plain, Round · 5310-01-723-2561 Nut, Plain, Barrel →

5310-01-723-2558 — Nuts and Washers

Features

Nut,self-Locking,extended Washer — FSC 5310
Washer Thickness: 0.415 INCHES NOMINAL IN
Nominal Thread Size: 16.0 INCHES IN
Material: STEEL OVERALL
1 manufacturer part number on file
Manufacturer of record: Fastenal Company Dba Fastenal Co

Identification

NSN: 5310-01-723-2558
NIIN: 017232558
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 11241789
Manufacturer: Fastenal Company Dba Fastenal Co

General Description

The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-723-2558, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fastenal Company Dba Fastenal Co. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5310-01-723-2558
Primary Part Number	11241789
Item Name	Nut,self-Locking,extended Washer
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Fastenal Company Dba Fastenal Co
Status	ACTIVE
Washer Thickness	0.415 INCHES NOMINAL IN
Nominal Thread Size	16.0 INCHES IN
Material	STEEL OVERALL

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
11241789 PRIMARY	Fastenal Company Dba Fastenal Co (USA)

Frequently Asked Questions

What is NSN 5310-01-723-2558?

NSN 5310-01-723-2558 is a Nut,self-Locking,extended Washer, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-723-2558?

NSN 5310-01-723-2558 has 1 manufacturer part number on file: 11241789 (Fastenal Company Dba Fastenal Co).

What are the specifications of 11241789?

Key specifications for 11241789: Washer Thickness: 0.415 INCHES NOMINAL IN; Nominal Thread Size: 16.0 INCHES IN; Special Features: WEIGHT 0.0147; Part Name Assigned by Controlling Agency: NUT,SELF-LOCKING,EXT. 3 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-723-2558 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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