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010-303-0051 — Technical Data Sheet

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— · 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 SEAT,VALVE is a the manufacturer industrial component. Key specifications include criticality_code_justification: ZZZY, reference_number_differentiating_characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4820-00-306-1338, 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
010-303-0051
NSN: 4820-00-306-1338
FSC: 4820
CAGE: 75954 — KUNKLE INDUSTRIES INC LONERGAN VALVE DIV (USA)
SPECIFICATIONS
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
NSN4820-00-306-1338
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 010-303-0051 · 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
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
THREAD QUANTITY PER INCH: 16 SINGLE THREADED PORTION
•
UNDER FLANGE HEIGHT: 0.500 INCHES NOMINAL IN
•
THREAD LENGTH: 0.500 INCHES NOMINAL SINGLE THREADED PORTION IN
•
STYLE DESIGNATOR: THREADED FLANGED
•
THREAD CLASS: 2A SINGLE THREADED PORTION A
•
NOMINAL THREAD SIZE: 0.875 INCHES SINGLE THREADED PORTION IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
THREAD QUANTITY PER INCH16 SINGLE THREADED PORTION
UNDER FLANGE HEIGHT0.500 INCHES NOMINAL IN
THREAD LENGTH0.500 INCHES NOMINAL SINGLE THREADED PORTION IN
STYLE DESIGNATORTHREADED FLANGED
THREAD CLASS2A SINGLE THREADED PORTION A
NOMINAL THREAD SIZE0.875 INCHES SINGLE THREADED PORTION IN
BODY INSIDE DIAMETER0.500 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUN SINGLE THREADED PORTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
M41CO 17InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
NAS907 TYFSZ17InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
NAS907InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
NMP-476/PC 9InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
B-2351PC9InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
41-3-17InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 010-303-0051?
010-303-0051 is a SEAT,VALVE.
What parts can replace 010-303-0051?
There are 6 known substitutes for 010-303-0051: M41CO 17, NAS907 TYFSZ17, NAS907 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 010-303-0051?
010-303-0051 is cataloged in the Federal Logistics Information System under NSN 4820-00-306-1338. 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: October 2026