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AS21577 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The PLUNGER,RELIEF VALVE is a the manufacturer industrial component. Key specifications include end_item_identification: ACFT ENG R1830. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2810-00-118-7385, 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
AS21577
NSN: 2810-00-118-7385
FSC: 2810
CAGE: 12776 — AIRCRAFT SUPPLIES (USA)
SPECIFICATIONS
end_item_identificationACFT ENG R1830
general_characteristics_item_descriptionMATL STEEL PER AMS 6322; HARDNESS PER ROCKWELL C38 MIN AND C43 MAX; 0.71875 IN. LONG; 0.746 IN. OD; 1 HOLE 0.5 IN. DIA BY 0.5625 IN. DEEP IN
NSN2810-00-118-7385
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PLUNGER,RELIEF VALVE TITLE COMPONENT PN AS21577 MFR PLUNGER,RELIEF VALVE
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: MATL STEEL PER AMS 6322; HARDNESS PER ROCKWELL C38 MIN AND C43 MAX; 0.71875 IN. LONG; 0.746 IN. OD; 1 HOLE 0.5 IN. DIA BY 0.5625 IN. DEEP IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONMATL STEEL PER AMS 6322; HARDNESS PER ROCKWELL C38 MIN AND C43 MAX; 0.71875 IN. LONG; 0.746 IN. OD; 1 HOLE 0.5 IN. DIA BY 0.5625 IN. DEEP IN
END ITEM IDENTIFICATIONACFT ENG R1830
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
D5104-4Interchangeable
interchangeable cross-reference
interchangeable
2157-7Interchangeable
interchangeable cross-reference
interchangeable
G630038-7Interchangeable
interchangeable cross-reference
interchangeable
2300Interchangeable
interchangeable cross-reference
interchangeable
2157Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AS21577?
AS21577 is a PLUNGER,RELIEF VALVE.
What parts can replace AS21577?
There are 5 known substitutes for AS21577: D5104-4, 2157-7, G630038-7 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AS21577?
AS21577 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2810-00-118-7385. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026