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9HD571 — PARTS KIT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

9HD571: PARTS KIT,VALVE.

The PARTS KIT,VALVE is a the manufacturer industrial component. Key specifications include model_number: M30, document_source: 042X4, end_item_source: 45152, nonsupply_items_and_quantities: PISTON O RINGS 2; END CAP O RINGS 2; UPPER PINION O RING 1; LOWER PINION O RINGS 1; SEALING O RINGS 2. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-436-3871, 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
9HD571
NSN: 4820-01-436-3871
FSC: 4820 — Valves, Nonpowered
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
model_numberM30
document_source042X4
end_item_source45152
component_quantity8
nonsupply_items_and_quantitiesPISTON O RINGS 2; END CAP O RINGS 2; UPPER PINION O RING 1; LOWER PINION O RINGS 1; SEALING O RINGS 2
NSN4820-01-436-3871
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 9HD571 · 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
•
COMPONENT QUANTITY: 8
•
END ITEM SOURCE: 45152
•
MODEL NUMBER: M30
•
NONSUPPLY ITEMS AND QUANTITIES: PISTON O RINGS 2; END CAP O RINGS 2; UPPER PINION O RING 1; LOWER PINION O RINGS 1; SEALING O RINGS 2
•
DOCUMENT SOURCE: 042X4
TECHNICAL CHARACTERISTICS
COMPONENT QUANTITY8
END ITEM SOURCE45152
MODEL NUMBERM30
NONSUPPLY ITEMS AND QUANTITIESPISTON O RINGS 2; END CAP O RINGS 2; UPPER PINION O RING 1; LOWER PINION O RINGS 1; SEALING O RINGS 2
DOCUMENT SOURCE042X4
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
M30BUNA KITReference 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 9HD571?
9HD571 is a PARTS KIT,VALVE.
What parts can replace 9HD571?
There is 1 known substitute for 9HD571: M30BUNA KIT. Substitute compatibility should be verified for your specific system.
What is the NSN for 9HD571?
9HD571 is cataloged in the U.S. Government catalog under NSN 4820-01-436-3871. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.