PartsTable
Technical Data Sheet

SW-12141 1IN/B- — SW-12141 1IN/B-

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

SW-12141 1IN/B-: SW-12141 1IN/B-.

The SW-12141 1IN/B- 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
SW-12141 1IN/B-
NSN: 4820-01-454-5743
FSC: 4820 — Valves, Nonpowered
CAGE: 63220 — FLOWSERVE INC (USA)
SPECIFICATIONS
Part NumberSW-12141 1IN/B-
NSN4820-01-454-5743
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: SW-12141 1IN/B- · 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SW-12141 1IN/B-?
SW-12141 1IN/B- is a SW-12141 1IN/B-.
What is the NSN for SW-12141 1IN/B-?
SW-12141 1IN/B- 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.
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✓ 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.