PartsTable TECHNICAL DATA SHEET

NSN 5310-01-668-6972Government record, cited

Washer, Lock5310-01-668-6972

NSN 5310-01-668-6972 · NIIN 016686972 · Part number BN673-M16

Bossard Intl Inc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 1CJ86

Government record, cited

NSN 5310-01-668-6972 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-668-6972. Manufacturer of record part number: BN673-M16.

Also searched as 5310-01-668-6972 · 5310016686972 · NIIN 016686972 · 01-668-6972 · FSC 5310 Nuts and Washers · CAGE 1CJ86 · BN673-M16

Nearby stock numbers ← 5310-01-668-6971 Washer, Lock · 5310-01-668-6975 Washer, Lock →

5310-01-668-6972 — Nuts and Washers

Features

Washer,lock — FSC 5310
Style Designator: SPLIT HELICAL-RIGHT HAND
Outside Diameter: 27.4 MILLIMETERS MAXIMUM MM
Material Thickness: 3.5 MILLIMETERS NOMINAL MM
Material: STEEL OVERALL
Hole Diameter: 17.0 MILLIMETERS MAXIMUM MM
1 manufacturer part number on file
Manufacturer of record: Bossard Intl Inc

Identification

NSN: 5310-01-668-6972
NIIN: 016686972
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: BN673-M16
Manufacturer: Bossard Intl Inc

General Description

The Washer,lock, cataloged under National Stock Number 5310-01-668-6972, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Bossard Intl Inc. Government technical data includes 5 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	5310-01-668-6972
Primary Part Number	BN673-M16
Item Name	Washer,lock
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Bossard Intl Inc
Status	ACTIVE
Style Designator	SPLIT HELICAL-RIGHT HAND
Outside Diameter	27.4 MILLIMETERS MAXIMUM MM
Material Thickness	3.5 MILLIMETERS NOMINAL MM
Material	STEEL OVERALL
Hole Diameter	17.0 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

Part Number	Manufacturer
BN673-M16 PRIMARY	Bossard Intl 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 5310-01-668-6972?

NSN 5310-01-668-6972 is a Washer,lock, manufactured by Bossard Intl Inc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-668-6972?

NSN 5310-01-668-6972 has 1 manufacturer part number on file: BN673-M16 (Bossard Intl Inc).

What are the specifications of BN673-M16?

Key specifications for BN673-M16: Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 27.4 MILLIMETERS MAXIMUM MM; Material Thickness: 3.5 MILLIMETERS NOMINAL MM; Part Name Assigned by Controlling Agency: SPLIT SPRING LOCK WASHER. 5 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-668-6972 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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