40503-1 — 40503-1

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

40503-1: 40503-1.

The 40503-1 is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYCARBONATE LENS, thread_class: 2A A, thread_length: 0.180 INCHES NOMINAL IN, overall_length: 0.680 INCHES MAXIMUM IN, mounting_method: THREAD, thread_diameter: 0.563 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 1680-00-774-8905, 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→ 40503-1

NSN: 1680-00-774-8905
NIINs: 007748905, 010295972, 014169885, 016635998
FSC: 1680 — Miscellaneous Aircraft Accessories and Components
CAGE: 5S058 — TRIDENT AUTOMOTIVE INC (USA)

SPECIFICATIONS

material	PLASTIC POLYCARBONATE LENS
thread_class	2A A
thread_length	0.180 INCHES NOMINAL IN
overall_length	0.680 INCHES MAXIMUM IN
mounting_method	THREAD
thread_diameter	0.563 INCHES IN
thread_quantity	27 PER INCH
overall_diameter	0.640 INCHES NOMINAL IN
style_designator	CONVEX
thread_direction	RIGHT-HAND
surface_condition	SMOOTH FACE
effective_diameter	0.640 INCHES NOMINAL IN
NSN	1680-00-774-8905

COMPONENT DIAGRAM

SUBSTITUTES & CROSS-REFERENCES 1

57-2757-2027Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Demilitarization required — mutilation + specific procedure

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FREQUENTLY ASKED QUESTIONS

What is 40503-1?

40503-1 is a 40503-1. It is classified as a MRO (MRO_GENERAL).

What parts can replace 40503-1?

There is 1 known substitute for 40503-1: 57-2757-2027. Substitute compatibility should be verified for your specific system.

What is the NSN for 40503-1?

40503-1 is cataloged in the U.S. Government catalog under NSN 1680-00-774-8905. This indicates validated use in U.S. government and defense supply chains.

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