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PartsTable / COMPONENT / 45128
45128 ✓ Verified by PartsTable
— · GATE VALVE
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

The RETAINER,ELECTRICAL CONNECTOR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_width: 4.500 INCHES MAXIMUM IN, body_height: 5.330 INCHES MAXIMUM IN, body_length: 0.820 INCHES NOMINAL IN, inclosure_type: FULLY INCLOSED, overall_length: 1.200 INCHES NOMINAL 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 4820-00-943-1479, 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
45128
NSN: 4820-00-943-1479
FSC: 4820
CAGE: 5RQL2 — DRS ENVIRONMENTAL SYSTEMS INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_width4.500 INCHES MAXIMUM IN
body_height5.330 INCHES MAXIMUM IN
body_length0.820 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
overall_length1.200 INCHES NOMINAL IN
drive_end_shapeSQUARE SINGLE END INTERNAL
flange_diameter0.655 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN
mounting_methodPLUG-IN SINGLE GROUP
frequency_rating50.0 HERTZ NOMINAL SINGLE COMPONENT
special_featuresSTANDARD LENGTH
style_designatorINTERNAL-INTERNAL
NSN4820-00-943-1479
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 45128 · 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
•
BODY INSIDE DIAMETER: 0.188 INCHES NOMINAL IN
•
SEATING SURFACE SHAPE: FLAT
•
FLANGE DIAMETER: 0.655 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: PLAIN FLANGED
•
MATERIAL: PLASTIC POLYAMIDE NYLON OVERALL
•
UNDER FLANGE HEIGHT: 0.188 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 0.500 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY INSIDE DIAMETER0.188 INCHES NOMINAL IN
SEATING SURFACE SHAPEFLAT
FLANGE DIAMETER0.655 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN
STYLE DESIGNATORPLAIN FLANGED
END ITEM IDENTIFICATIONGRUMMAN AIRCRAFT,MODEL A10
MATERIALPLASTIC POLYAMIDE NYLON OVERALL
UNDER FLANGE HEIGHT0.188 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER0.500 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN
FLANGE SEAT TO DISK END HEIGHT0.062 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
063001Interchangeable
interchangeable cross-reference
interchangeable
45128Interchangeable
interchangeable cross-reference
interchangeable
B107.1 TY1CL1Interchangeable
interchangeable cross-reference
interchangeable
B107.1Interchangeable
interchangeable cross-reference
interchangeable
AS954 TY1CL1STAInterchangeable
interchangeable cross-reference
interchangeable
MCDLSFInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 45128?
45128 is a RETAINER,ELECTRICAL CONNECTOR.
What parts can replace 45128?
There are 9 known substitutes for 45128: 063001, 45128, B107.1 TY1CL1 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 45128?
45128 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-943-1479. 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