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257-102 ✓ 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 POST,BINDING,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: PLASTIC ENCLOSURE, overall_width: 0.165 INCHES MAXIMUM IN, overall_height: 0.210 INCHES MAXIMUM IN, overall_length: 0.205 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 0.500 INCHES MINIMUM 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 4820-00-095-6284, 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
257-102
NSN: 4820-00-095-6284
FSC: 4820
CAGE: 0KDP7 — KIDDE-FENWAL, LLC (USA)
SPECIFICATIONS
materialPLASTIC ENCLOSURE
overall_width0.165 INCHES MAXIMUM IN
overall_height0.210 INCHES MAXIMUM IN
overall_length0.205 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length0.500 INCHES MINIMUM IN
special_featuresJUNCTION PATTERN ARRANGEMENT: PNP
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
terminal_type_and_quantity3 UNINSULATED WIRE LEAD
specification/standard_data80131-RELEASE5306 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
power_rating_per_characteristic1.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
NSN4820-00-095-6284
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 257-102 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
94150-2Interchangeable
interchangeable cross-reference
interchangeable
257-102Interchangeable
interchangeable cross-reference
interchangeable
Q71253-1Interchangeable
interchangeable cross-reference
interchangeable
261882Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 257-102?
257-102 is a POST,BINDING,ELECTRICAL.
What parts can replace 257-102?
There are 4 known substitutes for 257-102: 94150-2, 257-102, Q71253-1 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 257-102?
257-102 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-095-6284. 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