Washer, Lock5310-01-561-2218

NSN 5310-01-561-2218 · NIIN 015612218 · Part number RT17144

Barnes Group Inc. Dba Barnes Distribution · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 05573

Government record, cited

NSN 5310-01-561-2218 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-561-2218. Manufacturer of record part number: RT17144.

Also searched as 5310-01-561-2218 · 5310015612218 · NIIN 015612218 · 01-561-2218 · FSC 5310 Nuts and Washers · CAGE 05573 · RT17144

Nearby stock numbers ← 5310-01-561-2215 Nut, Plain, Hexagon · 5310-01-561-2225 Nut, Plain, Hexagon →

5310-01-561-2218 — Nuts and Washers

Features

Washer,lock — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Barnes Group Inc. Dba Barnes Distribution

Identification

NSN: 5310-01-561-2218
NIIN: 015612218
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: RT17144
Manufacturer: Barnes Group Inc. Dba Barnes Distribution

General Description

The Washer,lock, cataloged under National Stock Number 5310-01-561-2218, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Barnes Group Inc. Dba Barnes Distribution. 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	5310-01-561-2218
Primary Part Number	RT17144
Item Name	Washer,lock
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Barnes Group Inc. Dba Barnes Distribution
Status	ACTIVE

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
RT17144 PRIMARY	Barnes Group Inc. Dba Barnes Distribution (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 5310-01-561-2218?

NSN 5310-01-561-2218 is a Washer,lock, manufactured by Barnes Group Inc. Dba Barnes Distribution, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-561-2218?

NSN 5310-01-561-2218 has 1 manufacturer part number on file: RT17144 (Barnes Group Inc. Dba Barnes Distribution).

What are the specifications of RT17144?

Key specifications for RT17144: End Item Identification: MRAP - UNIQUE NSN - USED ON 2 MRAP VARIANTS. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-561-2218 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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