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803-311 — GAUGE,SPRAYER,PESTICIDE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

803-311: GAUGE,SPRAYER,PESTICIDE.

The GAUGE,SPRAYER,PESTICIDE is a the manufacturer industrial component. Key specifications include fsc_application_data: PESTICIDE SPRAYER,MANUAL PUMP-TYPE, end_item_identification: H.D.HUDSON MFG CO,SERIES 93793,93794 AND 93713 X-PERT SPRAYERS. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-037-1946, 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
803-311
NSN: 5340-01-037-1946
NIINs: 010371946, 013328746, 016264594
FSC: 5340 — Hardware, Commercial
CAGE: 82340 — L3HARRIS TECHNOLOGIES, INC. DIV SPACE AND AIRBORNE SYSTEMS (USA)
SPECIFICATIONS
special_featuresSTAINLESS STEEL CASE,1.688IN.DIA O/A; 1.500IN.DIA FACE; OUTER THD 1/8-27 TAPERED PIPE THD,INTERNAL THD 1/4-28UNF 7/32DP,100.0PSI IN
fsc_application_dataPESTICIDE SPRAYER,MANUAL PUMP-TYPE
end_item_identificationH.D.HUDSON MFG CO,SERIES 93793,93794 AND 93713 X-PERT SPRAYERS
NSN5340-01-037-1946
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 803-311 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FIRST STEP DIAMETER: 1.2500 INCHES NOMINAL IN
•
END DIAMETER: 0.7000 INCHES NOMINAL IN
•
DISTANCE FROM END TO FIRST STEP: 0.5000 INCHES NOMINAL IN
•
DESIGN TYPE: SOLID
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.7500 INCHES NOMINAL IN
FIRST STEP DIAMETER1.2500 INCHES NOMINAL IN
END DIAMETER0.7000 INCHES NOMINAL IN
DISTANCE FROM END TO FIRST STEP0.5000 INCHES NOMINAL IN
DESIGN TYPESOLID
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 1
80331-Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 803-311?
803-311 is a GAUGE,SPRAYER,PESTICIDE.
What parts can replace 803-311?
There is 1 known substitute for 803-311: 80331-. Substitute compatibility should be verified for your specific system.
What is the NSN for 803-311?
803-311 is cataloged in the U.S. Government catalog under NSN 5340-01-037-1946. 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.