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Technical Data Sheet
PartsTable / COMPONENT / A12721.001.156
A12721.001.156 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The A12721.001.156 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-091-1480, 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
A12721.001.156
NSN: 4820-01-091-1480
FSC: 4820
CAGE: 01343 — ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY (USA)
SPECIFICATIONS
Part NumberA12721.001.156
NSN4820-01-091-1480
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A12721.001.156 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE
•
VALVE TYPE FOR WHICH DESIGNED: RELIEF
•
MATERIAL: STEEL COMP 303
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: 2791-S
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE
VALVE TYPE FOR WHICH DESIGNEDRELIEF
MATERIALSTEEL COMP 303
VALVE MODEL NUMBER FOR WHICH DESIGNED2791-S
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
H20309Interchangeable
interchangeable cross-reference
interchangeable
19616Interchangeable
interchangeable cross-reference
interchangeable
19917Interchangeable
interchangeable cross-reference
interchangeable
M2-330-75-1C13Interchangeable
interchangeable cross-reference
interchangeable
10106624Interchangeable
interchangeable cross-reference
interchangeable
20309Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A12721.001.156?
A12721.001.156 is a A12721.001.156.
What parts can replace A12721.001.156?
There are 18 known substitutes for A12721.001.156: H20309, 19616, 19917 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A12721.001.156?
A12721.001.156 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-091-1480. 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