PartsTable TECHNICAL DATA SHEET

NSN 5310-01-494-0098Government record, cited

Washer, Lock5310-01-494-0098

NSN 5310-01-494-0098 · NIIN 014940098 · Part number 637475

Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 07524

Government record, cited

NSN 5310-01-494-0098 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-494-0098. Manufacturer of record part number: 637475.

Also searched as 5310-01-494-0098 · 5310014940098 · NIIN 014940098 · 01-494-0098 · FSC 5310 Nuts and Washers · CAGE 07524 · 637475 · 1801490 ITEM NO 69

Nearby stock numbers ← 5310-01-493-9929 Nut, Plain, Round · 5310-01-494-0104 Nut, Self-Locking, Hexagon →

5310-01-494-0098 — Nuts and Washers

Features

Washer,lock — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer

Identification

NSN: 5310-01-494-0098
NIIN: 014940098
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 637475
Manufacturer: Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer

General Description

The Washer,lock, cataloged under National Stock Number 5310-01-494-0098, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Washer,lock
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (CAGE 07524)

Technical Specifications

Parameter	Value
NSN	5310-01-494-0098
Primary Part Number	637475
Item Name	Washer,lock
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

Part Number	Manufacturer
637475 PRIMARY	Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)

Reference documents

Reference	Meaning
637475	3/9 Design control — primary reference Blackmer System One, Inc. Div Blackmer System One, Inc.
1801490 ITEM NO 69	D/9 Drawing number reference only Blackmer System One, Inc. Div Blackmer System One, Inc.

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 5310-01-494-0098?

NSN 5310-01-494-0098 is a Washer,lock, manufactured by Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-494-0098?

NSN 5310-01-494-0098 has 1 manufacturer part number on file: 637475 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer).

Is NSN 5310-01-494-0098 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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