PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 05-0775
05-0775 ✓ 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 SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, thread_class: 2A SINGLE THREADED PORTION A, thread_length: 0.188 INCHES NOMINAL SINGLE THREADED PORTION IN, flange_diameter: 0.500 INCHES NOMINAL IN, style_designator: THREADED FLANGED, nominal_thread_size: 0.438 INCHES SINGLE THREADED PORTION 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 4820-00-311-5270, 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
05-0775
NSN: 4820-00-311-5270
FSC: 4820
CAGE: 87327 — SPEAKMAN COMPANY DBA SPEAKMAN DIV PLUMBING, SAFETY, AND SHOWER PRODUCTS (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
thread_class2A SINGLE THREADED PORTION A
thread_length0.188 INCHES NOMINAL SINGLE THREADED PORTION IN
flange_diameter0.500 INCHES NOMINAL IN
style_designatorTHREADED FLANGED
nominal_thread_size0.438 INCHES SINGLE THREADED PORTION IN
under_flange_height0.188 INCHES NOMINAL IN
body_inside_diameter0.406 INCHES NOMINAL IN
seating_surface_shapeFLAT
thread_quantity_per_inch27 SINGLE THREADED PORTION
thread_series_designatorUNS SINGLE THREADED PORTION
flange_seat_to_disk_end_height0.078 INCHES NOMINAL IN
NSN4820-00-311-5270
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 05-0775 · 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
•
THREAD QUANTITY PER INCH: 27 SINGLE THREADED PORTION
•
FLANGE SEAT TO DISK END HEIGHT: 0.078 INCHES NOMINAL IN
•
THREAD CLASS: 2A SINGLE THREADED PORTION A
•
MATERIAL: COPPER ALLOY OVERALL
•
THREAD SERIES DESIGNATOR: UNS SINGLE THREADED PORTION
•
FLANGE DIAMETER: 0.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: THREADED FLANGED
•
UNDER FLANGE HEIGHT: 0.188 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH27 SINGLE THREADED PORTION
FLANGE SEAT TO DISK END HEIGHT0.078 INCHES NOMINAL IN
THREAD CLASS2A SINGLE THREADED PORTION A
MATERIALCOPPER ALLOY OVERALL
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION
FLANGE DIAMETER0.500 INCHES NOMINAL IN
STYLE DESIGNATORTHREADED FLANGED
UNDER FLANGE HEIGHT0.188 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.438 INCHES SINGLE THREADED PORTION IN
SEATING SURFACE SHAPEFLAT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
5775Interchangeable
interchangeable cross-reference
interchangeable
100-855Interchangeable
interchangeable cross-reference
interchangeable
1831Interchangeable
interchangeable cross-reference
interchangeable
31584Interchangeable
interchangeable cross-reference
interchangeable
3A140Interchangeable
interchangeable cross-reference
interchangeable
402-658-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 05-0775?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 05-0775?
05-0775 is a SEAT,VALVE.
What parts can replace 05-0775?
There are 10 known substitutes for 05-0775: 5775, 100-855, 1831 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 05-0775?
05-0775 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-311-5270. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 05-0775

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026