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Technical Data Sheet
PartsTable / MRO / A1530
A1530 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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

FILTER,RADIO FREQUENCY INTERFERE. Key specifications include shape: IRREGULAR, material: PLASTIC PHENOLIC OVERALL, reflector: NOT INCLUDED, lens_color: COLORLESS, seat_angle: 12.0 DEGREES ALL ENDS, body_length: 4.063 INCHES MINIMUM AND 4.187 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-155-5672, 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
MRO→ MRO_GENERAL→ A1530
NSN: 4820-00-155-5672
FSC: 4820
CAGE: 50276 — PREECE INC DECCA VALVES DIV (USA)
SPECIFICATIONS
shapeIRREGULAR
materialPLASTIC PHENOLIC OVERALL
reflectorNOT INCLUDED
lens_colorCOLORLESS
seat_angle12.0 DEGREES ALL ENDS
body_length4.063 INCHES MINIMUM AND 4.187 INCHES MAXIMUM IN
constructionSTRIP
thread_class3A ALL ENDS A
body_diameter4.750 INCHES NOMINAL IN
body_materialMETAL
overall_width4.250 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
NSN4820-00-155-5672
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A1530 · 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: STEEL COMP 303 BODY
•
THREAD CLASS: 3A ALL ENDS A
•
VALVE OPERATION METHOD: AUTOMATIC
•
MOUNTING POSITION: HORIZONTAL OR VERTICAL
•
CONNECTION STYLE: FLARELESS ALL ENDS
•
DISK LOADING METHOD: SPRING
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 303 BODY
MATERIALSTEEL COMP 440C FLOW CONTROL DEVICE
MATERIALSTEEL COMP 303 SEAT
THREAD CLASS3A ALL ENDS A
VALVE OPERATION METHODAUTOMATIC
MOUNTING POSITIONHORIZONTAL OR VERTICAL
CONNECTION STYLEFLARELESS ALL ENDS
DISK LOADING METHODSPRING
MATERIALSTEEL COMP 303 SEAT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
SCD14284AInterchangeable
interchangeable cross-reference
interchangeable
A1530Interchangeable
interchangeable cross-reference
interchangeable
SCD14284Interchangeable
interchangeable cross-reference
interchangeable
14-01530-00Interchangeable
interchangeable cross-reference
interchangeable
MIL-I-14652Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-14652BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A1530?
A1530 is a FILTER,RADIO FREQUENCY INTERFERE. It is classified as a MRO (MRO_GENERAL).
What parts can replace A1530?
There are 14 known substitutes for A1530: SCD14284A, A1530, SCD14284 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A1530?
A1530 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-155-5672. 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