18303-23 — BELT,POSITIVE DRIVE

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

18303-23: BELT,POSITIVE DRIVE.

The BELT,POSITIVE DRIVE is a the manufacturer industrial component. Key specifications include diameter: 1.1400 INCHES NOMINAL IN, material: STEEL COMP 4340 OVERALL, key_width: 0.0792 INCHES MINIMUM AND 0.0808 INCHES MAXIMUM IN, key_length: 0.1380 INCHES MINIMUM AND 0.1450 INCHES MAXIMUM IN, corner_shape: SQUARE ALL CORNERS, key_quantity: 53. This part is cataloged in the U.S.

Government catalog under NSN 3030-00-113-8007, 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

18303-23

NSN: 3030-00-113-8007
NIINs: 001138007, 012693471
FSC: 3030 — Belting, Drive Belts, Fan Belts, and Accessories
CAGE: 15052 — VARD NEWPORT (USA)

SPECIFICATIONS

diameter	1.1400 INCHES NOMINAL IN
material	STEEL COMP 4340 OVERALL
key_width	0.0792 INCHES MINIMUM AND 0.0808 INCHES MAXIMUM IN
key_length	0.1380 INCHES MINIMUM AND 0.1450 INCHES MAXIMUM IN
corner_shape	SQUARE ALL CORNERS
key_quantity	53
hardness_rating	53.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM OVERALL
flange_thickness	0.0450 INCHES MINIMUM AND 0.0490 INCHES MAXIMUM IN
outside_diameter	1.9350 INCHES MINIMUM AND 1.9450 INCHES MAXIMUM IN
special_features	ID COUNTERBORED 1.68 BY 0.02 DEEP; USED ON F-16
style_designator	ROUND W/SQUARE KEYS
overall_thickness	0.1080 INCHES MINIMUM AND 0.1120 INCHES MAXIMUM IN
NSN	3030-00-113-8007

COMPONENT DIAGRAM

KEY FEATURES

•

STRENGTHENING FEATURE: STEEL CORD

•

NOMINAL DIAMETER: 0.042 INCHES IN

•

DRIVE TYPE AND QUANTITY: 80 PIN

•

STYLE DESIGNATOR: POSITIVE DRIVE, ROUND

•

SURFACE CONDITION: SMOOTH OVERALL

•

NOMINAL PITCH DISTANCE: 0.098 INCHES IN

•

ENVIRONMENTAL PROTECTION: HEAT RESISTANT AND OIL RESISTANT AND WATERPROOF AND CHEMICAL RESISTANT AND ABRASION RESISTANT AND OZONE RESISTANT

TECHNICAL CHARACTERISTICS

STRENGTHENING FEATURE	STEEL CORD
NOMINAL DIAMETER	0.042 INCHES IN
DRIVE TYPE AND QUANTITY	80 PIN
STYLE DESIGNATOR	POSITIVE DRIVE, ROUND
SURFACE CONDITION	SMOOTH OVERALL
NOMINAL PITCH DISTANCE	0.098 INCHES IN
SPECIAL FEATURES	COUPLING STAINLESS SPLICE BUSHING
ENVIRONMENTAL PROTECTION	HEAT RESISTANT AND OIL RESISTANT AND WATERPROOF AND CHEMICAL RESISTANT AND ABRASION RESISTANT AND OZONE RESISTANT
NOMINAL WIDTH	0.203 INCHES IN
MATERIAL	PLASTIC POLYURETHANE BODY

SUBSTITUTES & CROSS-REFERENCES 3

PC18303-23Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

PB18303-23Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

32GBF-80-EReference document

Same NSN cross-reference

Reference document — Design control — primary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 18303-23?

18303-23 is a BELT,POSITIVE DRIVE.

What parts can replace 18303-23?

There are 3 known substitutes for 18303-23: PC18303-23, PB18303-23, 32GBF-80-E. Substitute compatibility should be verified for your specific system.

What is the NSN for 18303-23?

18303-23 is cataloged in the U.S. Government catalog under NSN 3030-00-113-8007. This indicates validated use in U.S. government and defense supply chains.

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