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Technical Data Sheet
PartsTable / COMPONENT / 170-008
170-008 ✓ 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 TRANSISTOR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1040 OVERALL, head_style: HEXAGON, wheel_type: SOLID, head_height: 0.156 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.775 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 4810-00-166-0565, 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
170-008
NSN: 4810-00-166-0565
FSC: 4810
CAGE: 01178 — LOURDES INDUSTRIES, INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 1040 OVERALL
head_styleHEXAGON
wheel_typeSOLID
head_height0.156 INCHES NOMINAL IN
thread_class2A A
thread_length0.775 INCHES NOMINAL IN
overall_height0.060 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
overall_length0.500 INCHES MAXIMUM IN
wheel_quantity2
fastener_length0.875 INCHES NOMINAL IN
hardness_rating23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
mounting_methodUNTHREADED HOLE(S)
NSN4810-00-166-0565
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 170-008 · 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: 0.250 INCHES NOMINAL IN
•
SEATING SURFACE SHAPE: ANGULAR
•
SEAT ANGLE IN DEG: 0.500 NOMINAL
•
STYLE DESIGNATOR: PLAIN
•
SURFACE TREATMENT: ANODIZE OVERALL
•
MATERIAL: ALUMINUM ALLOY OVERALL
•
BODY OUTSIDE DIAMETER: 0.390 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY INSIDE DIAMETER0.250 INCHES NOMINAL IN
SEATING SURFACE SHAPEANGULAR
SEAT ANGLE IN DEG0.500 NOMINAL
STYLE DESIGNATORPLAIN
SURFACE TREATMENTANODIZE OVERALL
MATERIALALUMINUM ALLOY OVERALL
BODY OUTSIDE DIAMETER0.390 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
OVERALL HEIGHT0.060 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
170008Interchangeable
interchangeable cross-reference
interchangeable
2N553Interchangeable
interchangeable cross-reference
interchangeable
6178531Interchangeable
interchangeable cross-reference
interchangeable
19706Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 170-008?
170-008 is a TRANSISTOR.
What parts can replace 170-008?
There are 4 known substitutes for 170-008: 170008, 2N553, 6178531 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 170-008?
170-008 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-00-166-0565. 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