Nut, Plain, Hexagon5310-01-561-4261

NSN 5310-01-561-4261 · NIIN 015614261 · Part number CD557973

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

Government record, cited

NSN 5310-01-561-4261 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-561-4261. Manufacturer of record part number: CD557973.

Also searched as 5310-01-561-4261 · 5310015614261 · NIIN 015614261 · 01-561-4261 · FSC 5310 Nuts and Washers · CAGE 05573 · CD557973

Nearby stock numbers ← 5310-01-561-4258 Washer, Flat · 5310-01-561-4275 Washer, Lock →

5310-01-561-4261 — Nuts and Washers

Features

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

Identification

NSN: 5310-01-561-4261
NIIN: 015614261
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: CD557973
Manufacturer: Barnes Group Inc. Dba Barnes Distribution

General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-561-4261, 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	5310-01-561-4261
Primary Part Number	CD557973
Item Name	Nut,plain,hexagon
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
CD557973 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 5310-01-561-4261?

NSN 5310-01-561-4261 is a Nut,plain,hexagon, manufactured by Barnes Group Inc. Dba Barnes Distribution, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-561-4261?

NSN 5310-01-561-4261 has 1 manufacturer part number on file: CD557973 (Barnes Group Inc. Dba Barnes Distribution).

What are the specifications of CD557973?

Key specifications for CD557973: End Item Identification: MRAP BUFFALO MK2A2. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-561-4261 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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