Washer, Flat5310-01-373-6950

NSN 5310-01-373-6950 · NIIN 013736950 · Part number 7543811

Pti Technologies Inc. · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 05228

Government record, cited

NSN 5310-01-373-6950 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-373-6950. Manufacturer of record part number: 7543811.

Also searched as 5310-01-373-6950 · 5310013736950 · NIIN 013736950 · 01-373-6950 · FSC 5310 Nuts and Washers · CAGE 05228 · 7543811

Nearby stock numbers ← 5310-01-373-6886 Washer, Lock · 5310-01-373-6951 Washer, Bevel →

5310-01-373-6950 — Nuts and Washers

Features

Washer,flat — FSC 5310
Overall Diameter: 0.817 INCHES NOMINAL IN
Cross-Sectional Shape Style: RECTANGULAR
Peripheral Shape Style: ROUND
Material: STEEL COMP 301 OVERALL
Center Hole Shape Style: ROUND
Hole Diameter: 0.443 INCHES NOMINAL IN
Thickness: 0.071 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN

Identification

NSN: 5310-01-373-6950
NIIN: 013736950
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 7543811
Manufacturer: Pti Technologies Inc.

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-373-6950, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Pti Technologies Inc.. Government technical data includes 7 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	5310-01-373-6950
Primary Part Number	7543811
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Pti Technologies Inc.
Status	ACTIVE
Overall Diameter	0.817 INCHES NOMINAL IN
Cross-Sectional Shape Style	RECTANGULAR
Peripheral Shape Style	ROUND
Material	STEEL COMP 301 OVERALL
Center Hole Shape Style	ROUND
Hole Diameter	0.443 INCHES NOMINAL IN
Thickness	0.071 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN

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
7543811 PRIMARY	Pti Technologies Inc. (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 5310-01-373-6950?

NSN 5310-01-373-6950 is a Washer,flat, manufactured by Pti Technologies Inc., classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-373-6950?

NSN 5310-01-373-6950 has 1 manufacturer part number on file: 7543811 (Pti Technologies Inc.).

What are the specifications of 7543811?

Key specifications for 7543811: Overall Diameter: 0.817 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Material: STEEL COMP 301 OVERALL. 7 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-373-6950 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.

PartsTable Design LLC · partstable.com