999R0371 — SLEEVE,SHAFT,PUMP

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

999R0371: SLEEVE,SHAFT,PUMP.

The SLEEVE,SHAFT,PUMP is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, corner_shape: SQUARE INSIDE RIGHT CORNER, flange_width: 0.6880 INCHES NOMINAL IN, overall_length: 4.6850 INCHES NOMINAL IN, keyway_dimension: 0.1880 INCHES NOMINAL INTERNAL KEYWAY WIDTH IN, special_features: FLANGE END COUNTERBORED 1.004 IN. DIA 1.000 IN.

DEEP IN. This part is cataloged in the U.S. Government catalog under NSN 4320-01-008-8750, 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

999R0371

NSN: 4320-01-008-8750
FSC: 4320 — Power and Hand Pumps
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING OVERALL
corner_shape	SQUARE INSIDE RIGHT CORNER
flange_width	0.6880 INCHES NOMINAL IN
overall_length	4.6850 INCHES NOMINAL IN
keyway_dimension	0.1880 INCHES NOMINAL INTERNAL KEYWAY WIDTH IN
special_features	FLANGE END COUNTERBORED 1.004 IN. DIA 1.000 IN. DEEP IN
style_designator	SOLID, EXTERNAL FLANGE ONE END
features_provided	CASEHARDENED
body_inside_diameter	0.8750 INCHES NOMINAL IN
body_outside_diameter	1.2450 INCHES NOMINAL IN
flange_outside_diameter	1.4380 INCHES NOMINAL IN
NSN	4320-01-008-8750

COMPONENT DIAGRAM

KEY FEATURES

•

CORNER SHAPE: CHAMFERED INSIDE LEFT CORNER

•

FLANGE OUTSIDE DIAMETER: 1.4380 INCHES NOMINAL IN

•

BODY OUTSIDE DIAMETER: 1.2450 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

CORNER SHAPE	CHAMFERED INSIDE LEFT CORNER
CORNER SHAPE	SQUARE INSIDE RIGHT CORNER
CORNER SHAPE	SQUARE OUTSIDE RIGHT CORNER
CORNER SHAPE	SQUARE OUTSIDE LEFT CORNER
CORNER SHAPE	SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPE	ROUND LEFT FLANGE BODY CORNER
FLANGE OUTSIDE DIAMETER	1.4380 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER	1.2450 INCHES NOMINAL IN
STYLE DESIGNATOR	SOLID, EXTERNAL FLANGE ONE END
OVERALL LENGTH	4.6850 INCHES NOMINAL IN

OTHER ITEMS IN FSC 4320 — Power and Hand Pumps

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

4320-00-001-1633 4320-00-001-2628 4320-00-001-2629 4320-00-001-2630 4320-00-001-2631 4320-00-001-2632 4320-00-001-3377 4320-00-001-3384

SUBSTITUTES & CROSS-REFERENCES 2

999R0371PC31Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

659B0115Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 999R0371?

999R0371 is a SLEEVE,SHAFT,PUMP.

What parts can replace 999R0371?

There are 2 known substitutes for 999R0371: 999R0371PC31, 659B0115. Substitute compatibility should be verified for your specific system.

What is the NSN for 999R0371?

999R0371 is cataloged in the U.S. Government catalog under NSN 4320-01-008-8750. This indicates validated use in U.S. government and defense supply chains.

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999R0371 — SLEEVE,SHAFT,PUMP

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