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9943-10-91SS — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

9943-10-91SS: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: STEEL BODY, bonnet_type: INSIDE SPRING, flange_shape: ROUND WITH HOLES ALL ENDS, connection_type: FLANGE ALL ENDS, bolt_hole_quantity: 8 ALL ENDS, end_item_identification: MISC PARTS FILL SYS FOR CVN-68. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-347-4350, 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
9943-10-91SS
NSN: 4820-01-347-4350
FSC: 4820 — Valves, Nonpowered
CAGE: 01343 — ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY (USA)
SPECIFICATIONS
materialSTEEL BODY
bonnet_typeINSIDE SPRING
flange_shapeROUND WITH HOLES ALL ENDS
connection_typeFLANGE ALL ENDS
bolt_hole_quantity8 ALL ENDS
end_item_identificationMISC PARTS FILL SYS FOR CVN-68
bolt_hole_nominal_diameter0.750 INCHES ALL ENDS IN
bolt_circle_nominal_diameter7.500 INCHES ALL ENDS IN
NSN4820-01-347-4350
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 9943-10-91SS · 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
•
FLANGE SHAPE: ROUND WITH HOLES ALL ENDS
•
BOLT CIRCLE NOMINAL DIAMETER: 7.500 INCHES ALL ENDS IN
•
CONNECTION TYPE: FLANGE ALL ENDS
•
BOLT HOLE NOMINAL DIAMETER: 0.750 INCHES ALL ENDS IN
•
BONNET TYPE: INSIDE SPRING
•
BOLT HOLE QUANTITY: 8 ALL ENDS
•
MATERIAL: STEEL BODY
TECHNICAL CHARACTERISTICS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER7.500 INCHES ALL ENDS IN
CONNECTION TYPEFLANGE ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.750 INCHES ALL ENDS IN
BONNET TYPEINSIDE SPRING
BOLT HOLE QUANTITY8 ALL ENDS
END ITEM IDENTIFICATIONMISC PARTS FILL SYS FOR CVN-68
MATERIALSTEEL BODY
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MATERIALSTEEL CORROSION RESISTING SEAT
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9943-10-91SS?
9943-10-91SS is a VALVE,SAFETY RELIEF.
What is the NSN for 9943-10-91SS?
9943-10-91SS is cataloged in the U.S. Government catalog under NSN 4820-01-347-4350. 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.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.