PartsTable
Technical Data Sheet
437-3-12 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FILLISTER, head_height: 0.161 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.389 INCHES MINIMUM AND 0.414 INCHES MAXIMUM IN, hole_diameter: 0.062 INCHES NOMINAL IN, thread_length: 0.619 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-291-9071, 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
437-3-12
NSN: 5330-00-291-9071
FSC: 5330
CAGE: 80201 — SKF USA INC. DBA SKF AEROSPACE SEALING SOLUTIONS (USA)
SPECIFICATIONS
head_styleFILLISTER
head_height0.161 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.389 INCHES MINIMUM AND 0.414 INCHES MAXIMUM IN
hole_diameter0.062 INCHES NOMINAL IN
hole_quantity1
thread_length0.619 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
screw_materialSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 316
fastener_length0.719 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
special_featuresHEAD DYE BLUE,FED. STD 595 NO. 15123
thread_directionRIGHT-HAND
internal_drive_styleSLOT
NSN5330-00-291-9071
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 437-3-12 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
SEALING ELEMENT STYLE: ANGULAR
SEAL WIDTH: 0.562 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
ACCOMMODATED SHAFT DIAMETER: 3.375 INCHES NOMINAL IN
MATERIAL: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
CASE STYLE: SQUARE
HOUSING BORE DIAMETER: 4.376 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SEALING ELEMENT STYLEANGULAR
SEAL WIDTH0.562 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
ACCOMMODATED SHAFT DIAMETER3.375 INCHES NOMINAL IN
MATERIALLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
CASE STYLESQUARE
HOUSING BORE DIAMETER4.376 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
72-6970-355Interchangeable
interchangeable cross-reference
interchangeable
481414Interchangeable
interchangeable cross-reference
interchangeable
437-3-12Interchangeable
interchangeable cross-reference
interchangeable
N56B206Interchangeable
Same NIIN cross-reference
interchangeable
00044Interchangeable
Same NIIN cross-reference
interchangeable
157B208Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 437-3-12?
437-3-12 is a SCREW,MACHINE.
What parts can replace 437-3-12?
There are 10 known substitutes for 437-3-12: 72-6970-355, 481414, 437-3-12 and 7 more. Substitute compatibility should be verified for your specific system.
Is 437-3-12 still available?
437-3-12 is currently cancelled.
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