AY1 — RING,PRESSURE BREAKDOWN,PUMP

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

AY1: RING,PRESSURE BREAKDOWN,PUMP.

The RING,PRESSURE BREAKDOWN,PUMP is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4320-00-375-4945, 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

AY1

NSN: 4320-00-375-4945
FSC: 4320 — Power and Hand Pumps
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)

SPECIFICATIONS

general_characteristics_item_description	BRONZE,MIL-B-16261,GRADE 1,1.014 IN. ID,1.749 IN. OD,1.938 IN. LG,0.031 IN. BY 45 DEG,7 GROOVES 0.094 IN. W,0.063 IN. DEEP,0.063 IN. BETWEEN GROOVES IN
NSN	4320-00-375-4945

COMPONENT DIAGRAM

KEY FEATURES

•

GENERAL CHARACTERISTICS ITEM DESCRIPTION: BRONZE,MIL-B-16261,GRADE 1,1.014 IN. ID,1.749 IN. OD,1.938 IN. LG,0.031 IN. BY 45 DEG,7 GROOVES 0.094 IN. W,0.063 IN. DEEP,0.063 IN. BETWEEN GROOVES IN

TECHNICAL CHARACTERISTICS

GENERAL CHARACTERISTICS ITEM DESCRIPTION

BRONZE,MIL-B-16261,GRADE 1,1.014 IN. ID,1.749 IN. OD,1.938 IN. LG,0.031 IN. BY 45 DEG,7 GROOVES 0.094 IN. W,0.063 IN. DEEP,0.063 IN. BETWEEN GROOVES IN

SUBSTITUTES & CROSS-REFERENCES 4

QQ-C-390BReference document

Same NSN cross-reference

Reference document — Identification reference

9R-1151 PC12Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

R-1151Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

871B0001Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is AY1?

AY1 is a RING,PRESSURE BREAKDOWN,PUMP.

What parts can replace AY1?

There are 4 known substitutes for AY1: QQ-C-390B, 9R-1151 PC12, R-1151 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for AY1?

AY1 is cataloged in the U.S. Government catalog under NSN 4320-00-375-4945. This indicates validated use in U.S. government and defense supply chains.

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AY1 — RING,PRESSURE BREAKDOWN,PUMP

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