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Technical Data Sheet
PartsTable / COMPONENT / 434 179
434 179 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The CYLINDER HEAD,GASOLINE ENGINE is a the manufacturer industrial component. Key specifications include end_item_identification: PROPULSION SYSTEMS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-185-0002, 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
434 179
NSN: 5325-00-185-0002
FSC: 5325
CAGE: 77294 — PIPER INDUSTRIAL MANUFACTURING COMPANY, LLC DIV PIPER INDUSTRIAL MANUFACTURING COMPANY (USA)
SPECIFICATIONS
end_item_identificationPROPULSION SYSTEMS
NSN5325-00-185-0002
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 434 179 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HOLE DIAMETER: 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
•
FLANGE THICKNESS: 0.093 INCHES NOMINAL IN
•
GROOVE WIDTH: 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
•
GROMMET CONSTRUCTION TYPE: SOLID
•
GROOVE OUTSIDE DIAMETER: 0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN
•
LARGE FLANGE OUTSIDE DIAMETER: 1.250 INCHES NOMINAL IN
•
FEATURES PROVIDED: COOLANT RESISTANT AND OIL RESISTANT
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
FLANGE THICKNESS0.093 INCHES NOMINAL IN
GROOVE WIDTH0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
GROMMET CONSTRUCTION TYPESOLID
OVERALL HEIGHT0.281 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN
GROOVE OUTSIDE DIAMETER0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN
LARGE FLANGE OUTSIDE DIAMETER1.250 INCHES NOMINAL IN
FEATURES PROVIDEDCOOLANT RESISTANT AND OIL RESISTANT
GROMMET STYLEROUND
MATERIALRUBBER SYNTHETIC OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
2691Interchangeable
interchangeable cross-reference
interchangeable
175-230Interchangeable
interchangeable cross-reference
interchangeable
2859Interchangeable
interchangeable cross-reference
interchangeable
RESTONInterchangeable
interchangeable cross-reference
interchangeable
5325PL0820281Interchangeable
interchangeable cross-reference
interchangeable
2V8260Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 434 179?
434 179 is a CYLINDER HEAD,GASOLINE ENGINE.
What parts can replace 434 179?
There are 18 known substitutes for 434 179: 2691, 175-230, 2859 and 15 more. Substitute compatibility should be verified for your specific system.
Is 434 179 still available?
434 179 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026