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Technical Data Sheet
PartsTable / MRO / 1-757-2
1-757-2 ✓ Verified by PartsTable
Clementoni · MRO · MRO_GENERAL
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

PARTS KIT,HYDRAULIC BRAKE MASTER. Key specifications include material: STEEL, head_style: FLAT CHAMFER, head_height: 0.520 INCHES NOMINAL IN, thread_class: 3A A, end_item_name: TRUCK, head_diameter: 0.451 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 4820-00-139-3832, 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
MRO→ MRO_GENERAL→ 1-757-2
NSN: 4820-00-139-3832
FSC: 4820
CAGE: 91515 — ARNOLT CORP (USA)
SPECIFICATIONS
materialSTEEL
head_styleFLAT CHAMFER
head_height0.520 INCHES NOMINAL IN
thread_class3A A
end_item_nameTRUCK
head_diameter0.451 INCHES NOMINAL IN
thread_length0.762 INCHES MINIMUM IN
overall_height18.780 INCHES NOMINAL IN
capacity_rating47.7 CUBIC FEET NOMINAL
end_item_source44940
fastener_length0.812 INCHES NOMINAL IN
furnished_itemsVALVE
NSN4820-00-139-3832
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1-757-2 · Clementoni ⚠ 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 12
17-572Interchangeable
interchangeable cross-reference
interchangeable
697644Interchangeable
interchangeable cross-reference
interchangeable
FRB7500-10F5Interchangeable
interchangeable cross-reference
interchangeable
2801-22Interchangeable
interchangeable cross-reference
interchangeable
C5TZ-2004-AInterchangeable
interchangeable cross-reference
interchangeable
K33252Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1-757-2?
1-757-2 is a PARTS KIT,HYDRAULIC BRAKE MASTER manufactured by Clementoni. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1-757-2?
There are 12 known substitutes for 1-757-2: 17-572, 697644, FRB7500-10F5 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1-757-2?
1-757-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-139-3832. 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