Washer, Key5310-01-420-8671

NSN 5310-01-420-8671 · NIIN 014208671

FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives

Government record, cited

Also searched as 5310-01-420-8671 · 5310014208671 · NIIN 014208671 · 01-420-8671 · FSC 5310 Nuts and Washers

Nearby stock numbers ← 5310-01-420-8594 Nut, Plain, Assembled Washer · 5310-01-420-8690 Nut, Plain, Round →

5310-01-420-8671 — Nuts and Washers

Features

Washer,key — FSC 5310
Internal Straight Key Width: 8.0 MILLIMETERS NOMINAL MM
Overall Distance Including Keys: 104.0 MILLIMETERS NOMINAL MM
Style Designator: KEY
Outside Diameter: 90.0 MILLIMETERS NOMINAL MM
Material Thickness: 1.5 MILLIMETERS NOMINAL MM
External Key Quantity: 15
External Prebent Key Angle: 25.0 DEGREES NOMINAL

Identification

NSN: 5310-01-420-8671
NIIN: 014208671
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives

General Description

The Washer,key, cataloged under National Stock Number 5310-01-420-8671, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5310-01-420-8671
Item Name	Washer,key
FSC / FSG	5310 / 53 — Nuts and Washers
Status	ACTIVE
Internal Straight Key Width	8.0 MILLIMETERS NOMINAL MM
Overall Distance Including Keys	104.0 MILLIMETERS NOMINAL MM
Style Designator	KEY
Outside Diameter	90.0 MILLIMETERS NOMINAL MM
Material Thickness	1.5 MILLIMETERS NOMINAL MM
External Key Quantity	15
External Prebent Key Angle	25.0 DEGREES NOMINAL
External Prebent Key Width	8.0 MILLIMETERS NOMINAL MM
Material	STEEL OVERALL
Hole Diameter	75.15 MILLIMETERS MINIMUM AND 75.34 MILLIMETERS MAXIMUM 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

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
16EM75	3/2 Design control — primary reference U.S. Government activity

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 5310-01-420-8671?

NSN 5310-01-420-8671 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.

What are the specifications of 5310-01-420-8671?

Key specifications for 5310-01-420-8671: Internal Straight Key Width: 8.0 MILLIMETERS NOMINAL MM; Overall Distance Including Keys: 104.0 MILLIMETERS NOMINAL MM; Style Designator: KEY; Outside Diameter: 90.0 MILLIMETERS NOMINAL MM. 10 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-420-8671 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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