M1243 ✓ Verified by PartsTable

— · MRO · MRO_GENERAL

WHAT YOU NEED TO KNOW

Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel

Confirm exact part number — similar PNs may be different parts

PRODUCT OVERVIEW

The M1243 is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 360 OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.122 INCHES NOMINAL IN, thread_length: 0.070 INCHES MINIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-971-7090, 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

MRO→ MRO_GENERAL→ M1243

NSN: 6625-00-971-7090
FSC: 6625
CAGE: 57639 — METERMASTER INC MISCORP DIV (USA)

SPECIFICATIONS

material	COPPER ALLOY 360 OVERALL
head_style	FLAT COUNTERSUNK
thread_class	2A A
head_diameter	0.122 INCHES NOMINAL IN
thread_length	0.070 INCHES MINIMUM IN
shoulder_shape	ROUND FIRST SHOULDER
fastener_length	0.175 INCHES MAXIMUM IN
shoulder_length	0.068 INCHES MINIMUM AND 0.015 INCHES MAXIMUM FIRST SHOULDER IN
thread_direction	RIGHT-HAND
countersink_angle	82.0 DEGREES NOMINAL
shoulder_diameter	0.082 INCHES MINIMUM AND 0.069 INCHES MAXIMUM FIRST SHOULDER IN
internal_drive_style	CROSS RECESS TYPE 1
NSN	6625-00-971-7090

COMPONENT DIAGRAM

VERIFIED SUBSTITUTES & CROSS-REFERENCES 3

M1243Interchangeable

interchangeable cross-reference

interchangeable

100-57Interchangeable

interchangeable cross-reference

interchangeable

GS4172Interchangeable

Same NIIN cross-reference

interchangeable

LIFECYCLE

StatusACTIVE

AvailabilityOEM and secondary market

RoHS CompliantEAR99ESD SensitiveNot HAZMAT

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FREQUENTLY ASKED QUESTIONS

What is M1243?

M1243 is a M1243. It is classified as a MRO (MRO_GENERAL).

What parts can replace M1243?

There are 3 known substitutes for M1243: M1243, 100-57, GS4172. Substitute compatibility should be verified for your specific system.

What is the NSN for M1243?

M1243 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-971-7090. This indicates validated use in U.S. government and defense supply chains.

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