PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 1975 REF 4
1975 REF 4 ✓ 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 RETAINER,DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL, material_document_and_classification: ASTM A479, TYPE 304 ASSN STD SINGLE MATERIAL RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-154-8112, 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
1975 REF 4
NSN: 4820-01-154-8112
FSC: 4820
CAGE: 16497 — DRESSER, INC. DBA DRESSER EQUIPMENT GROUP DIV INDUSTRIAL VALVE OPERATIONS, DRESSE (USA)
SPECIFICATIONS
materialSTEEL
material_document_and_classificationASTM A479, TYPE 304 ASSN STD SINGLE MATERIAL RESPONSE
NSN4820-01-154-8112
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1975 REF 4 · 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
•
MATERIAL: STEEL
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A479, TYPE 304 ASSN STD SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A479, TYPE 304 ASSN STD SINGLE MATERIAL RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
JMC1975Interchangeable
interchangeable cross-reference
interchangeable
2329B0101Interchangeable
interchangeable cross-reference
interchangeable
58660Interchangeable
interchangeable cross-reference
interchangeable
M033Interchangeable
interchangeable cross-reference
interchangeable
201-1060-00Interchangeable
interchangeable cross-reference
interchangeable
1975Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 1975 REF 4?
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 1975 REF 4?
1975 REF 4 is a RETAINER,DISK,VALVE.
What parts can replace 1975 REF 4?
There are 18 known substitutes for 1975 REF 4: JMC1975, 2329B0101, 58660 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1975 REF 4?
1975 REF 4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-154-8112. 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 — 1975 REF 4

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