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68944 — VALVE,LINEAR,DIRECTIONAL CONTROL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

68944: VALVE,LINEAR,DIRECTIONAL CONTROL.

VALVE,LINEAR,DIRECTIONAL CONTROL. Key specifications include usage_design: FOR THE TESTING OF MONONUCLEOSIS, test_capability_quantity: 50, protective_storage_feature: REQUIRES REFRIGERATION BETWEEN 2 DEG TO 8 DEG C DEGC, part_name_assigned_by_controlling_agency: TEST KIT MONONUCLEOSIS DETERMINATION 205 COMPONENTS 50 TESTS. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-067-3910, 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
68944
NSN: 5340-01-067-3910
NIINs: 010673910, 012589338, 013337726
FSC: 5340 — Hardware, Commercial
CAGE: 94833 — KECO INDUSTRIES, INC. (USA)
SPECIFICATIONS
usage_designFOR THE TESTING OF MONONUCLEOSIS
test_capability_quantity50
protective_storage_featureREQUIRES REFRIGERATION BETWEEN 2 DEG TO 8 DEG C DEGC
component_breakdown_within_each_test_kit1 VIAL REAGENT A; 1 VIAL REAGENT B; 1 VIAL POSITIVE CONTROL; 1 VIAL NEGATIVE CONTROL; 2 BOTTLE DROPPERS; 17 3-WELL TEST CARDS; 50 PIPETTES; 50 STIRRERS
part_name_assigned_by_controlling_agencyTEST KIT MONONUCLEOSIS DETERMINATION 205 COMPONENTS 50 TESTS
NSN5340-01-067-3910
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 68944 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
•
OPENING INSIDE DIAMETER: 0.375 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 0.625 INCHES NOMINAL IN
•
STYLE DESIGNATOR: THRU-HOLE
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BASE OUTSIDE DIAMETER: 0.437 INCHES NOMINAL IN
•
MATERIAL: RUBBER BODY
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT2.000 INCHES NOMINAL IN
OPENING INSIDE DIAMETER0.375 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER0.625 INCHES NOMINAL IN
STYLE DESIGNATORTHRU-HOLE
BASE OUTSIDE DIAMETER0.437 INCHES NOMINAL IN
MATERIALRUBBER BODY
SUBSTITUTES & CROSS-REFERENCES 1
935Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 68944?
68944 is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What parts can replace 68944?
There is 1 known substitute for 68944: 935. Substitute compatibility should be verified for your specific system.
What is the NSN for 68944?
68944 is cataloged in the U.S. Government catalog under NSN 5340-01-067-3910. 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.