WH12 — GEARSHAFT,WORM WHEEL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

WH12: GEARSHAFT,WORM WHEEL.

The GEARSHAFT,WORM WHEEL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, face_type: STRAIGHT, bore_style: PLAIN BOTH ENDS, helix_angle: 4.7664 DEGREES, overall_length: 5.750 INCHES NOMINAL IN, pitch_diameter: 1.0000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5120-00-189-2984, 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

WH12

NSN: 5120-00-189-2984
NIINs: 001892984, 002238224
FSC: 5120 — Hand Tools, Nonedged, Nonpowered
CAGE: 01DJ4 — AMPCO PARTNERS, LTD. DBA AMPCO SAFETY TOOLS (USA)

SPECIFICATIONS

material	STEEL OVERALL
face_type	STRAIGHT
bore_style	PLAIN BOTH ENDS
helix_angle	4.7664 DEGREES
overall_length	5.750 INCHES NOMINAL IN
pitch_diameter	1.0000 INCHES NOMINAL IN
pressure_angle	14.5000 DEGREES
long_arm_length	5.250 INCHES NOMINAL IN
short_arm_length	1.750 INCHES NOMINAL IN
style_designator	PROTRUDING HUB
features_provided	NONMAGNETIC AND NONSPARKING
face_nominal_width	1.125 INCHES IN
NSN	5120-00-189-2984

COMPONENT DIAGRAM

KEY FEATURES

•

SHORT ARM LENGTH: 1.750 INCHES NOMINAL IN

•

WRENCHING SURFACE SIZE: 0.500 INCHES NOMINAL BOTH ENDS IN

•

STYLE DESIGNATOR: L-HANDLE

•

FEATURES PROVIDED: NONMAGNETIC AND NONSPARKING

•

LONG ARM LENGTH: 5.250 INCHES NOMINAL IN

•

SPECIFICATION/STANDARD DATA: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

•

WRENCHING SURFACE SHAPE: HEXAGON BOTH ENDS EXTERNAL

TECHNICAL CHARACTERISTICS

SHORT ARM LENGTH	1.750 INCHES NOMINAL IN
WRENCHING SURFACE SIZE	0.500 INCHES NOMINAL BOTH ENDS IN
STYLE DESIGNATOR	L-HANDLE
OVERALL LENGTH	5.750 INCHES NOMINAL IN
FEATURES PROVIDED	NONMAGNETIC AND NONSPARKING
LONG ARM LENGTH	5.250 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA	05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
WRENCHING SURFACE SHAPE	HEXAGON BOTH ENDS EXTERNAL
MATERIAL	COPPER ALLOY OVERALL

SUBSTITUTES & CROSS-REFERENCES 7

W-1050-HReference document

Same NSN cross-reference

Reference document — Secondary reference

L-12-2561Reference document

Same NSN cross-reference

Reference document — Secondary reference

B18.3Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

MIL-K-21120Reference document

Same NSN cross-reference

Reference document — Secondary reference

A-A-2477Reference document

Same NSN cross-reference

Reference document — Secondary reference

L-12Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is WH12?

WH12 is a GEARSHAFT,WORM WHEEL.

What parts can replace WH12?

There are 7 known substitutes for WH12: W-1050-H, L-12-2561, B18.3 and 4 more. Substitute compatibility should be verified for your specific system.

What is the NSN for WH12?

WH12 is cataloged in the U.S. Government catalog under NSN 5120-00-189-2984. This indicates validated use in U.S. government and defense supply chains.

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