MS421-25-1RCA — CHAIN,ROLLER

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

MS421-25-1RCA: CHAIN,ROLLER.

The CHAIN,ROLLER is a the manufacturer industrial component. Key specifications include material: STEEL, effective_length: 1.0825 FEET NOMINAL FT, pin_fastening_method: RIVETED AND SPRING CLIP, first_chain_link_style: PIN, nominal_pitch_distance: 0.250 INCHES IN, second_chain_link_style: ROLLERLESS. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-561-0673, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS

MS421-25-1RCA

NSN: 3020-00-561-0673
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

SPECIFICATIONS

material	STEEL
effective_length	1.0825 FEET NOMINAL FT
link_row_quantity	1
pin_fastening_method	RIVETED AND SPRING CLIP
first_chain_link_style	PIN
nominal_pitch_distance	0.250 INCHES IN
second_chain_link_style	ROLLERLESS
first_chain_link_plate_width	0.205 INCHES NOMINAL IN
second_chain_link_plate_width	0.237 INCHES NOMINAL IN
first_chain_link_pin_nominal_diameter	0.0900 INCHES IN
first_chain_link_plate_nominal_thickness	0.0300 INCHES IN
second_chain_link_plate_nominal_thickness	0.0300 INCHES IN
NSN	3020-00-561-0673

COMPONENT DIAGRAM

KEY FEATURES

•

SECOND CHAIN LINK PLATE NOMINAL THICKNESS: 0.0300 INCHES IN

•

SECOND CHAIN LINK BUSHING NOMINAL OUTSIDE DIAMETER: 0.1300 INCHES IN

•

SECOND CHAIN LINK STYLE: ROLLERLESS

•

EFFECTIVE LENGTH: 1.0825 FEET NOMINAL FT

•

SECOND CHAIN LINK NOMINAL WIDTH BETWEEN PLATES: 0.1250 INCHES IN

•

FIRST CHAIN LINK STYLE: PIN

•

FIRST CHAIN LINK PIN NOMINAL DIAMETER: 0.0900 INCHES IN

•

NOMINAL PITCH DISTANCE: 0.250 INCHES IN

TECHNICAL CHARACTERISTICS

SECOND CHAIN LINK PLATE NOMINAL THICKNESS	0.0300 INCHES IN
SECOND CHAIN LINK BUSHING NOMINAL OUTSIDE DIAMETER	0.1300 INCHES IN
SECOND CHAIN LINK STYLE	ROLLERLESS
EFFECTIVE LENGTH	1.0825 FEET NOMINAL FT
SECOND CHAIN LINK NOMINAL WIDTH BETWEEN PLATES	0.1250 INCHES IN
FIRST CHAIN LINK STYLE	PIN
FIRST CHAIN LINK PIN NOMINAL DIAMETER	0.0900 INCHES IN
NOMINAL PITCH DISTANCE	0.250 INCHES IN
FIRST CHAIN LINK PLATE WIDTH	0.205 INCHES NOMINAL IN
PIN FASTENING METHOD	RIVETED AND SPRING CLIP

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 3020-00-001-0027 3020-00-001-0028 3020-00-001-0063 3020-00-001-0064 3020-00-001-0066 3020-00-001-0071 3020-00-001-0072

SUBSTITUTES & CROSS-REFERENCES 1

8200836Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is MS421-25-1RCA?

MS421-25-1RCA is a CHAIN,ROLLER.

What parts can replace MS421-25-1RCA?

There is 1 known substitute for MS421-25-1RCA: 8200836. Substitute compatibility should be verified for your specific system.

What is the NSN for MS421-25-1RCA?

MS421-25-1RCA is cataloged in the U.S. Government catalog under NSN 3020-00-561-0673. This indicates validated use in U.S. government and defense supply chains.

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