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PartsTable / COMPONENT / VA-1887 PIECE 7
VA-1887 PIECE 7 ✓ 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 STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, valve_size_for_which_designed: 4.000 INCHES IN, valve_type_for_which_designed: BALL, material_document_and_classification: QQ-N-281 FED SPEC 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 4820-01-138-3093, 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
VA-1887 PIECE 7
NSN: 4820-01-138-3093
FSC: 4820
CAGE: 27424 — MORLAND VALVE CO INC SUB OF SMITH VALVE CORP (USA)
SPECIFICATIONS
materialNICKEL ALLOY
valve_size_for_which_designed4.000 INCHES IN
valve_type_for_which_designedBALL
material_document_and_classificationQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE
NSN4820-01-138-3093
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: VA-1887 PIECE 7 · 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 DOCUMENT AND CLASSIFICATION: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE
•
VALVE TYPE FOR WHICH DESIGNED: BALL
•
VALVE SIZE FOR WHICH DESIGNED: 4.000 INCHES IN
•
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE
VALVE TYPE FOR WHICH DESIGNEDBALL
VALVE SIZE FOR WHICH DESIGNED4.000 INCHES IN
MATERIALNICKEL ALLOY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
VA-1887 FLOW PLAN 5Interchangeable
interchangeable cross-reference
interchangeable
VA-1887Interchangeable
interchangeable cross-reference
interchangeable
VA-1887-FLOW PLAN 7 3WAY 2PORTInterchangeable
interchangeable cross-reference
interchangeable
VA-1887 PIECE 5Interchangeable
interchangeable cross-reference
interchangeable
B-1925Interchangeable
interchangeable cross-reference
interchangeable
S-1938Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is VA-1887 PIECE 7?
VA-1887 PIECE 7 is a STEM,FLUID VALVE.
What parts can replace VA-1887 PIECE 7?
There are 6 known substitutes for VA-1887 PIECE 7: VA-1887 FLOW PLAN 5, VA-1887, VA-1887-FLOW PLAN 7 3WAY 2PORT and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for VA-1887 PIECE 7?
VA-1887 PIECE 7 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-138-3093. 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