PartsTable
Technical Data Sheet
Download PDF

B-44245 R19 — B-44245 R19

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

B-44245 R19: B-44245 R19.

The B-44245 R19 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4820-01-454-5743, 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
B-44245 R19
NSN: 4820-01-454-5743
FSC: 4820 — Valves, Nonpowered
CAGE: 63220 — FLOWSERVE INC (USA)
SPECIFICATIONS
Part NumberB-44245 R19
NSN4820-01-454-5743
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B-44245 R19 · 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
•
FLOW CONTROL DEVICE: DISK
•
NOMINAL PIPE SIZE ACCOMMODATED: 1.000 INCHES ALL ENDS IN
•
CONNECTION STYLE: SOCKET ALL ENDS
•
CONNECTION TYPE: UNTHREADED INTERNAL PIPE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
BONNET TYPE: OUTSIDE SCREW-YOKE
•
BONNET ATTACHMENT METHOD: BOLTED
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
NOMINAL PIPE SIZE ACCOMMODATED1.000 INCHES ALL ENDS IN
CONNECTION STYLESOCKET ALL ENDS
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
BONNET TYPEOUTSIDE SCREW-YOKE
SPECIAL FEATURESCLASS 800 VALVE
BONNET ATTACHMENT METHODBOLTED
END ITEM IDENTIFICATIONTARAWA CLASS LHA
MATERIALSTEEL BODY
SUBSTITUTES & CROSS-REFERENCES 1
SW-12141 1IN/B-Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy B-44245 R19?
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 B-44245 R19?
B-44245 R19 is a B-44245 R19.
What parts can replace B-44245 R19?
There is 1 known substitute for B-44245 R19: SW-12141 1IN/B-. Substitute compatibility should be verified for your specific system.
What is the NSN for B-44245 R19?
B-44245 R19 is cataloged in the U.S. Government catalog under NSN 4820-01-454-5743. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — B-44245 R19

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.