PartsTable
Technical Data Sheet
Download PDF

89599 — SEAT,VALVE

✓ Government record, cited
Hama · GATE VALVE
PRODUCT OVERVIEW

89599: SEAT,VALVE.

- High-tech film which protects the display from fingerprints, dust and scratches - Precision laser cut for a perfect fit and contour precision - The surface has an antireflective effect - Antistatic microfibre cloth for cleaning the sensitive display - Highly transparent ultra-clear film - Easy to apply without air bubbles, can be removed without leaving any residue This part is cataloged in the U.S. Government catalog under NSN 4820-00-629-9897, 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
89599
NSN: 4820-00-629-9897
FSC: 4820 — Valves, Nonpowered
CAGE: 38056 — ASHCROFT INC DBA HEISE (USA)
SPECIFICATIONS
materialSTEEL COMP 414 OVERALL
thread_class2A SINGLE THREADED PORTION A
thread_length1.250 INCHES NOMINAL SINGLE THREADED PORTION IN
overall_height1.875 INCHES NOMINAL IN
hardness_rating22.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MAXIMUM FACE
style_designatorPLAIN THREADED
nominal_thread_size3.031 INCHES SINGLE THREADED PORTION IN
body_inside_diameter1.875 INCHES NOMINAL IN
seating_surface_shapeFLAT
thread_quantity_per_inch18 SINGLE THREADED PORTION
thread_series_designatorUNS SINGLE THREADED PORTION
NSN4820-00-629-9897
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 89599 · Hama ⚠ 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 LENGTH: 1.250 INCHES NOMINAL SINGLE THREADED PORTION IN
•
HARDNESS RATING: 22.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MAXIMUM BODY
•
STYLE DESIGNATOR: PLAIN THREADED
•
BODY INSIDE DIAMETER: 1.875 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 3.031 INCHES SINGLE THREADED PORTION IN
•
THREAD CLASS: 2A SINGLE THREADED PORTION A
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.875 INCHES NOMINAL IN
THREAD LENGTH1.250 INCHES NOMINAL SINGLE THREADED PORTION IN
HARDNESS RATING22.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MAXIMUM BODY
HARDNESS RATING22.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MAXIMUM FACE
STYLE DESIGNATORPLAIN THREADED
BODY INSIDE DIAMETER1.875 INCHES NOMINAL IN
NOMINAL THREAD SIZE3.031 INCHES SINGLE THREADED PORTION IN
THREAD CLASS2A SINGLE THREADED PORTION A
THREAD QUANTITY PER INCH18 SINGLE THREADED PORTION
MATERIALSTEEL COMP 414 OVERALL
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
5VQS72PC4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
Ready to buy 89599?
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 89599?
89599 is a SEAT,VALVE manufactured by Hama.
What parts can replace 89599?
There is 1 known substitute for 89599: 5VQS72PC4. Substitute compatibility should be verified for your specific system.
What is the NSN for 89599?
89599 is cataloged in the U.S. Government catalog under NSN 4820-00-629-9897. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 89599

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.