PartsTable TECHNICAL DATA SHEET

NSN 5310-01-172-8171Government record, cited

Washer, Flat5310-01-172-8171

NSN 5310-01-172-8171 · NIIN 011728171 · Part number HS308-4

The Boeing Company · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 8V613

Government record, cited

NSN 5310-01-172-8171 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-172-8171. Manufacturer of record part number: HS308-4.

Also searched as 5310-01-172-8171 · 5310011728171 · NIIN 011728171 · 01-172-8171 · FSC 5310 Nuts and Washers · CAGE 8V613 · HS308-4

Nearby stock numbers ← 5310-01-172-8076 Washer, Laminated · 5310-01-172-8172 Nut, Plain, Knurled →

5310-01-172-8171 — Nuts and Washers

Features

Washer,flat — FSC 5310
1 manufacturer part number on file
Manufacturer of record: The Boeing Company

Identification

NSN: 5310-01-172-8171
NIIN: 011728171
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: HS308-4
Manufacturer: The Boeing Company

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-172-8171, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Washer,flat
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	The Boeing Company (CAGE 8V613)

Technical Specifications

Parameter	Value
NSN	5310-01-172-8171
Primary Part Number	HS308-4
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	The Boeing Company
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
HS308-4 PRIMARY	The Boeing Company (USA)

Reference documents

Reference	Meaning
HS308-4	5/9 Secondary reference Mcdonnell Douglas Helicopter Co 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 5310-01-172-8171?

NSN 5310-01-172-8171 is a Washer,flat, manufactured by The Boeing Company, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-172-8171?

NSN 5310-01-172-8171 has 1 manufacturer part number on file: HS308-4 (The Boeing Company).

Is NSN 5310-01-172-8171 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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