57MD31A — FILTER ELEMENT,INTAKE AIR CLEANE

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

57MD31A: FILTER ELEMENT,INTAKE AIR CLEANE.

FILTER ELEMENT,INTAKE AIR CLEANE. Key specifications include material: STEEL TUBING, body_style: PLAIN, SOLID, body_width: 0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN, tooth_form: STANDARD, body_height: 0.185 INCHES MAXIMUM IN, body_length: 0.840 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 2940-01-218-4703, 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

57MD31A

NSN: 2940-01-218-4703
FSC: 2940 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft
CAGE: 89619 — MACK TRUCKS, INC. DBA MACUNGIE OPERATIONS DIV LEHIGH VALLEY OPERATIONS (USA)

SPECIFICATIONS

material	STEEL TUBING
body_style	PLAIN, SOLID
body_width	0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
tooth_form	STANDARD
body_height	0.185 INCHES MAXIMUM IN
body_length	0.840 INCHES MAXIMUM IN
design_form	PREBENT
thread_class	2B SINGLE END
pitch_diameter	0.8333 INCHES NOMINAL IN
pressure_angle	20.0000 DEGREES
teeth_quantity	100
wall_thickness	0.032 INCHES NOMINAL IN
NSN	2940-01-218-4703

COMPONENT DIAGRAM

SUBSTITUTES & CROSS-REFERENCES 6

A739CReference document

Same NSN cross-reference

Reference document — Secondary reference

2636Reference document

Same NSN cross-reference

Reference document — Secondary reference

8996628Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

P12-7757Reference document

Same NSN cross-reference

Reference document — Secondary reference

AF523Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

P18-1005Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 57MD31A?

57MD31A is a FILTER ELEMENT,INTAKE AIR CLEANE.

What parts can replace 57MD31A?

There are 6 known substitutes for 57MD31A: A739C, 2636, 8996628 and 3 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 57MD31A?

57MD31A is cataloged in the U.S. Government catalog under NSN 2940-01-218-4703. This indicates validated use in U.S. government and defense supply chains.

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57MD31A — FILTER ELEMENT,INTAKE AIR CLEANE

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