H643-7003 — UNIVERSAL JOINT,NONVEHICULAR

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

H643-7003: UNIVERSAL JOINT,NONVEHICULAR.

The UNIVERSAL JOINT,NONVEHICULAR is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 632, design_type: BLOCK AND PIN, angle_in_deg: 300.0, corner_shape: ROUND LEFT FLANGE BODY CORNER, flange_width: 0.1800 INCHES NOMINAL IN, body_material: COPPER ALLOY. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-486-4251, 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

H643-7003

NSN: 3040-01-486-4251
NIINs: 014864251, 014864314, 014864336, 014864695, 014864705, 014864731, 014864846, 014864860, 014866772, 014866778, 014866791, 014866793, 014866794, 014869934, 014871084, 014886105, 014911380, 014913918, 014913921, 014913925, 014918337
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)

SPECIFICATIONS

material	COPPER ALLOY 632
design_type	BLOCK AND PIN
angle_in_deg	300.0
corner_shape	ROUND LEFT FLANGE BODY CORNER
flange_width	0.1800 INCHES NOMINAL IN
body_material	COPPER ALLOY
step_quantity	3
end_similarity	NOT IDENTICAL
overall_length	8.0000 INCHES NOMINAL IN
shaft_diameter	1.2460 INCHES MINIMUM AND 1.2480 INCHES MAXIMUM IN
surface_finish	63.0 MICROINCHES
first_end_style	SPLINED (STRAIGHT)
NSN	3040-01-486-4251

COMPONENT DIAGRAM

KEY FEATURES

•

SECOND END HOLE DIAMETER: 0.4060 INCHES NOMINAL IN

•

STEP QUANTITY: 5

•

FIRST END DIAMETER: 1.1250 INCHES NOMINAL IN

•

SECOND END DIAMETER: 0.9970 INCHES MINIMUM AND 0.9980 INCHES MAXIMUM IN

•

LARGEST STEP DIAMETER: 1.500 INCHES NOMINAL IN

•

SECOND END SPLINE MINOR DIAMETER: 0.8339 INCHES MINIMUM AND 0.8340 INCHES MAXIMUM IN

•

FIRST END EXTERNAL THREAD LENGTH: 2.1400 INCHES NOMINAL IN

•

FIRST END STYLE: EXTERNAL THREADED

TECHNICAL CHARACTERISTICS

SECOND END HOLE DIAMETER	0.4060 INCHES NOMINAL IN
STEP QUANTITY	5
FIRST END DIAMETER	1.1250 INCHES NOMINAL IN
SECOND END DIAMETER	0.9970 INCHES MINIMUM AND 0.9980 INCHES MAXIMUM IN
LARGEST STEP DIAMETER	1.500 INCHES NOMINAL IN
SECOND END SPLINE MINOR DIAMETER	0.8339 INCHES MINIMUM AND 0.8340 INCHES MAXIMUM IN
FIRST END EXTERNAL THREAD LENGTH	2.1400 INCHES NOMINAL IN
FIRST END STYLE	EXTERNAL THREADED
SECOND END SPLINE MAJOR DIAMETER	0.9980 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE

OTHER ITEMS IN FSC 3040 — Miscellaneous Power Transmission Equipment

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

3040-00-001-0046 3040-00-001-0047 3040-00-001-0048 3040-00-001-0068 3040-00-001-0077 3040-00-001-0078 3040-00-001-0089 3040-00-001-1224

SUBSTITUTES & CROSS-REFERENCES 2

7067322Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

H643-7003-67Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 H643-7003?

H643-7003 is a UNIVERSAL JOINT,NONVEHICULAR.

What parts can replace H643-7003?

There are 2 known substitutes for H643-7003: 7067322, H643-7003-67. Substitute compatibility should be verified for your specific system.

What is the NSN for H643-7003?

H643-7003 is cataloged in the U.S. Government catalog under NSN 3040-01-486-4251. This indicates validated use in U.S. government and defense supply chains.

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H643-7003 — UNIVERSAL JOINT,NONVEHICULAR

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