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D1271-1 — DISK,RUPTURABLE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

D1271-1: DISK,RUPTURABLE.

The DISK,RUPTURABLE is a the manufacturer industrial component. Key specifications include disk_size: 1.618 INCHES IN, disk_material: ALUMINUM, burst_pressure: 129.0 PRESSURE POUNDS PER SQUARE INCH GAGE, special_features: THICKNESS:0.006 IN.NOM IN, cross-sectional_shape: CONCAVE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-036-4965, 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
D1271-1
NSN: 4820-01-036-4965
FSC: 4820 — Valves, Nonpowered
CAGE: 06370 — FIKE CORPORATION (USA)
SPECIFICATIONS
disk_size1.618 INCHES IN
disk_materialALUMINUM
burst_pressure129.0 PRESSURE POUNDS PER SQUARE INCH GAGE
special_featuresTHICKNESS:0.006 IN.NOM IN
cross-sectional_shapeCONCAVE
NSN4820-01-036-4965
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: D1271-1 · 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
•
DISK MATERIAL: ALUMINUM
•
BURST PRESSURE: 129.0 PRESSURE POUNDS PER SQUARE INCH GAGE
•
CROSS-SECTIONAL SHAPE: CONCAVE
•
DISK SIZE: 1.618 INCHES IN
TECHNICAL CHARACTERISTICS
DISK MATERIALALUMINUM
BURST PRESSURE129.0 PRESSURE POUNDS PER SQUARE INCH GAGE
CROSS-SECTIONAL SHAPECONCAVE
SPECIAL FEATURESTHICKNESS:0.006 IN.NOM IN
DISK SIZE1.618 INCHES IN
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
2913750Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 D1271-1?
D1271-1 is a DISK,RUPTURABLE.
What parts can replace D1271-1?
There is 1 known substitute for D1271-1: 2913750. Substitute compatibility should be verified for your specific system.
What is the NSN for D1271-1?
D1271-1 is cataloged in the U.S. Government catalog under NSN 4820-01-036-4965. 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.