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1291-008-Z1 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1291-008-Z1: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND CORK OVERALL, outside_diameter: 4.880 INCHES NOMINAL IN, style_designator: CIRCULAR, end_item_identification: 1291-008 1.5IN SWING CHECK VALVE IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION, material_document_and_classification: SAE AMS-C-6183 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-533-7268, 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
1291-008-Z1
NSN: 4820-01-533-7268
NIINs: 015337268, 015337274, 015337282, 015344281, 015496030
FSC: 4820 — Valves, Nonpowered
CAGE: 76364 — MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND CORK OVERALL
outside_diameter4.880 INCHES NOMINAL IN
style_designatorCIRCULAR
bolt_hole_quantity6
end_item_identification1291-008 1.5IN SWING CHECK VALVE IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationSAE AMS-C-6183 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN4820-01-533-7268
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1291-008-Z1 · 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
SUBSTITUTES & CROSS-REFERENCES 1
1291-008-Z1 1INReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1291-008-Z1?
1291-008-Z1 is a SEAT,VALVE.
What parts can replace 1291-008-Z1?
There is 1 known substitute for 1291-008-Z1: 1291-008-Z1 1IN. Substitute compatibility should be verified for your specific system.
What is the NSN for 1291-008-Z1?
1291-008-Z1 is cataloged in the U.S. Government catalog under NSN 4820-01-533-7268. This indicates validated use in U.S. government and defense supply chains.
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