PartsTable TECHNICAL DATA SHEET

JULY 2026Technical Data Sheet

33821Washer,flat

Name: 33821
SKU: 5310-01-557-0562

Fastenal Company Dba Fastenal Co · NSN 5310-01-557-0562 · FSC 5310 · No Item Name Available

Verified by PartsTable

NSN 5310-01-557-0562 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-557-0562. Primary manufacturer part number: 33821.

5310-01-557-0562 — No Item Name Available illustration

Features

Washer,flat — FSC 5310
4 verified cross-references
Primary manufacturer: Fastenal Company Dba Fastenal Co

Applications

Structural fastening and assembly
Equipment mounting
Panel and housing attachment

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-557-0562, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fastenal Company Dba Fastenal Co. This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts

Item Name	Washer,flat
FSC / FSG	5310 — No Item Name Available (FSG 53)
Manufacturers	Tuthill Corporation Dba Reyco/granning Div Reyco Granning (CAGE 99062); Fastenal Company Dba Fastenal Co (CAGE 0Y3H3); General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (CAGE 1EFH8)

Technical Specifications

Parameter	Value
NSN	5310-01-557-0562
Primary Part Number	33821
Item Name	Washer,flat
FSC / FSG	5310 / 53 — No Item Name Available
Manufacturer	Fastenal Company Dba Fastenal Co
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
HAZMAT	No

⇄ Verified Substitutes 4

3110-00-100-05740061088 INTERCHANGEABLE

Cup,tapered Roller Bearing

New Holland Construction

5342-01-086-15143382-1 INTERCHANGEABLE

Bracket,accelerometer

Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div

8940-01-146-2618338-21 INTERCHANGEABLE

Formula,infant Feeding

Mead Johnson & Company, Llc

6515-01-569-7226338.21 INTERCHANGEABLE

Shaft,guide

Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma

Cross-Reference Index

Part Number	Manufacturer
T7292	Tuthill Corporation Dba Reyco/granning Div Reyco Granning (USA)
33821 PRIMARY	Fastenal Company Dba Fastenal Co (USA)
3011437	General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (USA)
12759-00637	Fastenal Company Dba Fastenal Co (USA)

Related Parts

3110-00-100-0574INTERCHANGEABLE

CUP,TAPERED ROLLER BEARING

0061088

5342-01-086-1514INTERCHANGEABLE

BRACKET,ACCELEROMETER

3382-1

8940-01-146-2618INTERCHANGEABLE

FORMULA,INFANT FEEDING

338-21

6515-01-569-7226INTERCHANGEABLE

SHAFT,GUIDE

338.21

Frequently Asked Questions

What is NSN 5310-01-557-0562?

NSN 5310-01-557-0562 is a Washer,flat, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-557-0562?

NSN 5310-01-557-0562 has 4 cross-referenced part numbers: T7292 (Tuthill Corporation Dba Reyco/granning Div Reyco Granning), 33821 (Fastenal Company Dba Fastenal Co), 3011437 (General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp), 12759-00637 (Fastenal Company Dba Fastenal Co).

What NSN replaces 5310-01-557-0562?

There are 4 known substitutes for 5310-01-557-0562: 3110-00-100-0574, 5342-01-086-1514, 8940-01-146-2618 and 1 more. Verify interchangeability with system specifications before substitution.

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.

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