1040A0257-18 — 1040A0257-18

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

1040A0257-18: 1040A0257-18.

The 1040A0257-18 is a the manufacturer industrial component. Key specifications include overall_width: 5.800 INCHES NOMINAL IN, overall_length: 6.300 INCHES NOMINAL IN, unthreaded_mounting_hole_diameter: 0.281 INCHES NOMINAL SINGLE MOUNTING FACILITY IN, mounting_facility_type_and_quantity: 5 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY. This part is cataloged in the U.S.

Government catalog under NSN 5999-01-217-3976, 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→ 1040A0257-18

NSN: 5999-01-217-3976
FSC: 5999 — Miscellaneous Electrical and Electronic Components
CAGE: 50213 — WELDMAC MANUFACTURING COMPANY (USA)

SPECIFICATIONS

overall_width	5.800 INCHES NOMINAL IN
overall_length	6.300 INCHES NOMINAL IN
unthreaded_mounting_hole_diameter	0.281 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
mounting_facility_type_and_quantity	5 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
NSN	5999-01-217-3976

COMPONENT DIAGRAM

KEY FEATURES

•

MOUNTING FACILITY TYPE AND QUANTITY: 5 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY

•

UNTHREADED MOUNTING HOLE DIAMETER: 0.281 INCHES NOMINAL SINGLE MOUNTING FACILITY IN

TECHNICAL CHARACTERISTICS

MOUNTING FACILITY TYPE AND QUANTITY	5 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
UNTHREADED MOUNTING HOLE DIAMETER	0.281 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
OVERALL LENGTH	6.300 INCHES NOMINAL IN
OVERALL WIDTH	5.800 INCHES NOMINAL IN

OTHER ITEMS IN FSC 5999 — Miscellaneous Electrical and Electronic Components

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

5999-00-001-1345 5999-00-001-1346 5999-00-001-1348 5999-00-001-1349 5999-00-001-1355 5999-00-001-1623 5999-00-001-2537 5999-00-001-2539

SUBSTITUTES & CROSS-REFERENCES 1

1040A0257-0018Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 1040A0257-18?

1040A0257-18 is a 1040A0257-18. It is classified as a MRO (MRO_GENERAL).

What parts can replace 1040A0257-18?

There is 1 known substitute for 1040A0257-18: 1040A0257-0018. Substitute compatibility should be verified for your specific system.

What is the NSN for 1040A0257-18?

1040A0257-18 is cataloged in the U.S. Government catalog under NSN 5999-01-217-3976. This indicates validated use in U.S. government and defense supply chains.

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