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Technical Data Sheet
PartsTable / COMPONENT / 953-D
953-D ✓ 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

VALVE,RELIEF,PRESSURE AND TEMPER. Key specifications include color: BLACK AND YELLOW, overall_width: 89.7 INCHES NOMINAL IN, overall_height: 122.2 INCHES NOMINAL IN, overall_length: 246.1 INCHES NOMINAL IN, unpackaged_unit_weight: 34.209 POUNDS LBS, part_name_assigned_by_controlling_agency: TRACK LOADER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-469-7280, 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
953-D
NSN: 4820-01-469-7280
FSC: 4820
CAGE: 75545 — LAWLER MANUFACTURING COMPANY, INC. (USA)
SPECIFICATIONS
colorBLACK AND YELLOW
overall_width89.7 INCHES NOMINAL IN
overall_height122.2 INCHES NOMINAL IN
overall_length246.1 INCHES NOMINAL IN
unpackaged_unit_weight34.209 POUNDS LBS
part_name_assigned_by_controlling_agencyTRACK LOADER
NSN4820-01-469-7280
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 953-D · 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: COPPER ALLOY
•
SPECIFICATION/STANDARD DATA: QQ-B-626/CANCELLED GOVERNMENT STANDARD
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 0.750-16 UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT0.312 INCHES NOMINAL IN
END ITEM IDENTIFICATIONW/S NIMITZ CLASS CVN
MATERIALCOPPER ALLOY
SPECIFICATION/STANDARD DATAQQ-B-626/CANCELLED GOVERNMENT STANDARD
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.750-16 UNIFIED NATIONAL COARSE (UNC)
SPECIAL FEATURESNHA VALVE TEMP RELEASE
OVERALL LENGTH2.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
1767-D PC 4Interchangeable
interchangeable cross-reference
interchangeable
2948Interchangeable
interchangeable cross-reference
interchangeable
1767-D-4Interchangeable
interchangeable cross-reference
interchangeable
1767-D PC 1Interchangeable
interchangeable cross-reference
interchangeable
1767-DInterchangeable
interchangeable cross-reference
interchangeable
1767-D-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 953-D?
953-D is a VALVE,RELIEF,PRESSURE AND TEMPER.
What parts can replace 953-D?
There are 20 known substitutes for 953-D: 1767-D PC 4, 2948, 1767-D-4 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 953-D?
953-D is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-469-7280. 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