PartsTable
Technical Data Sheet
Download PDF

DS-B-90281 — HEAT EXCHANGER,AIR TO AIR,AIRCRA

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

DS-B-90281: HEAT EXCHANGER,AIR TO AIR,AIRCRA.

HEAT EXCHANGER,AIR TO AIR,AIRCRA. Key specifications include material: STEEL CORROSION RESISTING FLOW CONTROL DEVICE, valve_size: 0.500 INCHES IN, flange_shape: ROUND WITH HOLES ALL ENDS, connection_type: FLANGE ALL ENDS, pressure_rating: 275.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS, style_designator: STRAIGHT THRU FLANGED ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-396-5183, 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
DS-B-90281
NSN: 4820-01-396-5183
NIINs: 013965183, 014148059
FSC: 4820 — Valves, Nonpowered
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
valve_size0.500 INCHES IN
flange_shapeROUND WITH HOLES ALL ENDS
connection_typeFLANGE ALL ENDS
pressure_rating275.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
style_designatorSTRAIGHT THRU FLANGED ENDS
mounting_positionHORIZONTAL
nominal_thickness0.438 INCHES ALL ENDS IN
bolt_hole_quantity4 ALL ENDS
flange_face_designRAISED STRAIGHT ALL ENDS
operating_pressure275.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceDISK
NSN4820-01-396-5183
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: DS-B-90281 · 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
•
PRESSURE RATING: 275.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
•
MEDIA FOR WHICH DESIGNED: GAS OR OIL OR WATER
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
PRESSURE RATING275.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
MEDIA FOR WHICH DESIGNEDGAS OR OIL OR WATER
MATERIALSTEEL CORROSION RESISTING
SUBSTITUTES & CROSS-REFERENCES 3
DS-B-90281-5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
S90280Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
SA-F-90280Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy DS-B-90281?
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 DS-B-90281?
DS-B-90281 is a HEAT EXCHANGER,AIR TO AIR,AIRCRA.
What parts can replace DS-B-90281?
There are 3 known substitutes for DS-B-90281: DS-B-90281-5, S90280, SA-F-90280. Substitute compatibility should be verified for your specific system.
What is the NSN for DS-B-90281?
DS-B-90281 is cataloged in the U.S. Government catalog under NSN 4820-01-396-5183. 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 — DS-B-90281

✓ 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.