PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 21145-001
21145-001 ✓ 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,LINEAR,DIRECTIONAL CONTROL. Key specifications include body_material: ALUMINUM ALLOY, end_item_identification: VALVE ASSY,SIZE 1. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-514-3526, 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
21145-001
NSN: 4820-01-514-3526
FSC: 4820
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
body_materialALUMINUM ALLOY
end_item_identificationVALVE ASSY,SIZE 1
NSN4820-01-514-3526
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21145-001 · 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
•
BODY MATERIAL: ALUMINUM ALLOY
TECHNICAL CHARACTERISTICS (FLIS)
BODY MATERIALALUMINUM ALLOY
END ITEM IDENTIFICATIONVALVE ASSY,SIZE 1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
P1046Interchangeable
interchangeable cross-reference
interchangeable
21145Interchangeable
interchangeable cross-reference
interchangeable
4389549Interchangeable
interchangeable cross-reference
interchangeable
503-053Interchangeable
interchangeable cross-reference
interchangeable
2110-0013Interchangeable
interchangeable cross-reference
interchangeable
7159Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 21145-001?
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 21145-001?
21145-001 is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What parts can replace 21145-001?
There are 8 known substitutes for 21145-001: P1046, 21145, 4389549 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21145-001?
21145-001 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-514-3526. 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 — 21145-001

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