311-2-1/2 — CAP,PILLOW BLOCK

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

311-2-1/2: CAP,PILLOW BLOCK.

The CAP,PILLOW BLOCK is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY E, body_style: PLAIN, corner_shape: SQUARE ALL CORNERS, overall_length: 0.812 INCHES NOMINAL IN, body_inside_diameter: 8.041 INCHES MINIMUM AND 8.042 INCHES MAXIMUM IN, body_outside_diameter: 8.499 INCHES MINIMUM AND 8.500 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4320-00-821-8822, 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

311-2-1/2

NSN: 4320-00-821-8822
NIINs: 008218822, 012450264, 013490713
FSC: 4320 — Power and Hand Pumps
CAGE: 43491 — GENERAL SIGNAL CORP (USA)

SPECIFICATIONS

material	NICKEL ALLOY E
body_style	PLAIN
corner_shape	SQUARE ALL CORNERS
overall_length	0.812 INCHES NOMINAL IN
body_inside_diameter	8.041 INCHES MINIMUM AND 8.042 INCHES MAXIMUM IN
body_outside_diameter	8.499 INCHES MINIMUM AND 8.500 INCHES MAXIMUM IN
NSN	4320-00-821-8822

COMPONENT DIAGRAM

KEY FEATURES

•

CORNER SHAPE: SQUARE ALL CORNERS

•

BODY STYLE: PLAIN

•

BODY OUTSIDE DIAMETER: 8.499 INCHES MINIMUM AND 8.500 INCHES MAXIMUM IN

•

BODY INSIDE DIAMETER: 8.041 INCHES MINIMUM AND 8.042 INCHES MAXIMUM IN

•

MATERIAL: NICKEL ALLOY E

TECHNICAL CHARACTERISTICS

CORNER SHAPE	SQUARE ALL CORNERS
BODY STYLE	PLAIN
BODY OUTSIDE DIAMETER	8.499 INCHES MINIMUM AND 8.500 INCHES MAXIMUM IN
OVERALL LENGTH	0.812 INCHES NOMINAL IN
BODY INSIDE DIAMETER	8.041 INCHES MINIMUM AND 8.042 INCHES MAXIMUM IN
MATERIAL	NICKEL ALLOY E

SUBSTITUTES & CROSS-REFERENCES 3

31HCS12APC140AReference document

Same NSN cross-reference

Reference document — Secondary reference

31HCS12PC140AReference document

Same NSN cross-reference

Reference document — Secondary reference

31-1-212MBReference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 311-2-1/2?

311-2-1/2 is a CAP,PILLOW BLOCK.

What parts can replace 311-2-1/2?

There are 3 known substitutes for 311-2-1/2: 31HCS12APC140A, 31HCS12PC140A, 31-1-212MB. Substitute compatibility should be verified for your specific system.

What is the NSN for 311-2-1/2?

311-2-1/2 is cataloged in the U.S. Government catalog under NSN 4320-00-821-8822. This indicates validated use in U.S. government and defense supply chains.

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