Washer, Flat5310-01-500-6552

NSN 5310-01-500-6552 · NIIN 015006552 · Part number 100918-Z

Dh Instruments Inc. · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 2J641

Government record, cited

NSN 5310-01-500-6552 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-500-6552. Manufacturer of record part number: 100918-Z.

Also searched as 5310-01-500-6552 · 5310015006552 · NIIN 015006552 · 01-500-6552 · FSC 5310 Nuts and Washers · CAGE 2J641 · 100918-Z · 40NWSFS · DIN 433-M4

Nearby stock numbers ← 5310-01-500-6541 Nut, Plain, Hexagon · 5310-01-500-6670 Nut, Plain, Round →

5310-01-500-6552 — Nuts and Washers

Features

Washer,flat — FSC 5310
Overall Diameter: 8.0 MILLIMETERS NOMINAL MM
Cross-Sectional Shape Style: RECTANGULAR
Peripheral Shape Style: ROUND
Material: STEEL COMP 304 OVERALL
Center Hole Shape Style: ROUND
Hole Diameter: 4.3 MILLIMETERS NOMINAL MM
Thickness: 0.5 MILLIMETERS NOMINAL MM

Identification

NSN: 5310-01-500-6552
NIIN: 015006552
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 100918-Z
Manufacturer: Dh Instruments Inc.

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-500-6552, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Dh Instruments Inc.. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 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	5310-01-500-6552
Primary Part Number	100918-Z
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Dh Instruments Inc.
Status	ACTIVE
Overall Diameter	8.0 MILLIMETERS NOMINAL MM
Cross-Sectional Shape Style	RECTANGULAR
Peripheral Shape Style	ROUND
Material	STEEL COMP 304 OVERALL
Center Hole Shape Style	ROUND
Hole Diameter	4.3 MILLIMETERS NOMINAL MM
Thickness	0.5 MILLIMETERS NOMINAL MM

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
40NWSFS	Standard Bolt Nut and Screw Co (USA)
100918-Z PRIMARY	Dh Instruments Inc. (USA)
DIN 433-M4	Bright Bolt Enterprises, Inc. Dba Bright Bolt (USA)

Frequently Asked Questions

What is NSN 5310-01-500-6552?

NSN 5310-01-500-6552 is a Washer,flat, manufactured by Dh Instruments Inc., classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-500-6552?

NSN 5310-01-500-6552 has 3 manufacturer part numbers on file: 40NWSFS (Standard Bolt Nut and Screw Co), 100918-Z (Dh Instruments Inc.), DIN 433-M4 (Bright Bolt Enterprises, Inc. Dba Bright Bolt).

What are the specifications of 100918-Z?

Key specifications for 100918-Z: Overall Diameter: 8.0 MILLIMETERS NOMINAL MM; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; End Item Identification: PMEL CALIBRATION EQUIPMENT, HYD PRESSURE. 7 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-500-6552 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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