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8317-28-1 — MICROCIRCUIT,DIGITAL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

8317-28-1: MICROCIRCUIT,DIGITAL.

The MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, overall_length: 9.062 INCHES NOMINAL IN, special_features: MATERIAL NICKEL COPPER ALLOY, QQ-N-281; 8.500 IN. LENGTH; 0.531 IN.

DIA. IN, largest_outside_diameter: 0.531 INCHES NOMINAL IN, criticality_code_justification: ZZZY. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-108-4722, 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
8317-28-1
NSN: 4820-01-108-4722
NIINs: 011084722, 011760487
FSC: 4820 — Valves, Nonpowered
CAGE: 63686 — THE WALWORTH COMPANY (USA)
SPECIFICATIONS
materialNICKEL ALLOY
overall_length9.062 INCHES NOMINAL IN
special_featuresMATERIAL NICKEL COPPER ALLOY, QQ-N-281; 8.500 IN. LENGTH; 0.531 IN. DIA. IN
largest_outside_diameter0.531 INCHES NOMINAL IN
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
NSN4820-01-108-4722
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 8317-28-1 · 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
•
LARGEST OUTSIDE DIAMETER: 0.531 INCHES NOMINAL IN
•
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS
LARGEST OUTSIDE DIAMETER0.531 INCHES NOMINAL IN
OVERALL LENGTH9.062 INCHES NOMINAL IN
MATERIALNICKEL ALLOY
SUBSTITUTES & CROSS-REFERENCES 3
N-10933 PIECE 10Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
300331Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
8995-28-1-1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 8317-28-1?
8317-28-1 is a MICROCIRCUIT,DIGITAL.
What parts can replace 8317-28-1?
There are 3 known substitutes for 8317-28-1: N-10933 PIECE 10, 300331, 8995-28-1-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 8317-28-1?
8317-28-1 is cataloged in the U.S. Government catalog under NSN 4820-01-108-4722. 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.