PartsTable TECHNICAL DATA SHEET

NSN 3020-01-599-6445Government record, cited

Chain, Roller3020-01-599-6445

NSN 3020-01-599-6445 · NIIN 015996445 · Part number 6261K173

Mcmaster-Carr Supply Co · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 39428

Government record, cited

NSN 3020-01-599-6445 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-599-6445. Manufacturer of record part number: 6261K173.

Also searched as 3020-01-599-6445 · 3020015996445 · NIIN 015996445 · 01-599-6445 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 39428 · 6261K173 · 6261K533

Nearby stock numbers ← 3020-01-599-6258 Gear, Helical · 3020-01-599-6449 Link, Roller Chain →

Features

Chain,roller — FSC 3020
Nominal Pitch Distance: 0.500 INCHES IN
Material: STEEL
1 manufacturer part number on file
Manufacturer of record: Mcmaster-Carr Supply Co

Identification

NSN: 3020-01-599-6445
NIIN: 015996445
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 6261K173
Manufacturer: Mcmaster-Carr Supply Co

General Description

The Chain,roller, cataloged under National Stock Number 3020-01-599-6445, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	3020-01-599-6445
Primary Part Number	6261K173
Item Name	Chain,roller
FSC / FSG	3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer	Mcmaster-Carr Supply Co
Status	ACTIVE
Nominal Pitch Distance	0.500 INCHES IN
Material	STEEL

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
6261K173 PRIMARY	Mcmaster-Carr Supply Co (USA)

Reference documents

Reference	Meaning
6261K533	5/9 Secondary reference Mcmaster-Carr Supply Co

No interchangeability data on file.

Other items in FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

3020-00-000-0091

GEAR,SPUR

3020-00-001-0027

3020-00-001-0027 · Item name not on file

3020-00-001-0028

3020-00-001-0028 · Item name not on file

3020-00-001-0063

3020-00-001-0063 · Item name not on file

3020-00-001-0064

3020-00-001-0064 · Item name not on file

3020-00-001-0066

3020-00-001-0066 · Item name not on file

3020-00-001-0071

3020-00-001-0071 · Item name not on file

3020-00-001-0072

3020-00-001-0072 · Item name not on file

Frequently Asked Questions

What is NSN 3020-01-599-6445?

NSN 3020-01-599-6445 is a Chain,roller, manufactured by Mcmaster-Carr Supply Co, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-01-599-6445?

NSN 3020-01-599-6445 has 1 manufacturer part number on file: 6261K173 (Mcmaster-Carr Supply Co).

What are the specifications of 6261K173?

Key specifications for 6261K173: Nominal Pitch Distance: 0.500 INCHES IN; Special Features: ROLLER DIA 0.312 NOMINAL INCH AND ROLLER WIDTH 0.313 NOMINAL INCH; Part Name Assigned by Controlling Agency: ROLLER CHAIN, SINGLE STRAND; End Item Identification: STRYKER. 2 specifications are documented in the U.S. Government catalog.

Is NSN 3020-01-599-6445 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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