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346154 — OIL PUMP ASSEMBLY,ENGINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

346154: OIL PUMP ASSEMBLY,ENGINE.

The OIL PUMP ASSEMBLY,ENGINE is a the manufacturer industrial component. Key specifications include head_style: FILLISTER EXTENDED WASHER, head_height: 0.350 INCHES NOMINAL IN, point_style: CHAMFER DOG, point_length: 0.810 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.550 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-310-9946, 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
346154
NSN: 5305-00-310-9946
NIINs: 003109946, 004019468
FSC: 5305 — Screws
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
head_styleFILLISTER EXTENDED WASHER
head_height0.350 INCHES NOMINAL IN
point_styleCHAMFER DOG
point_length0.810 INCHES NOMINAL IN
thread_class3A A
head_diameter0.550 INCHES NOMINAL IN
thread_length0.215 INCHES NOMINAL IN
point_diameter0.375 INCHES NOMINAL IN
fastener_length1.250 INCHES NOMINAL IN
extended_washer_diameter0.875 INCHES NOMINAL IN
extended_washer_thickness0.100 INCHES NOMINAL IN
NSN5305-00-310-9946
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 346154 · 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
•
EXTENDED WASHER THICKNESS: 0.100 INCHES NOMINAL IN
•
POINT DIAMETER: 0.375 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.350 INCHES NOMINAL IN
•
POINT LENGTH: 0.810 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.250 INCHES NOMINAL IN
•
EXTENDED WASHER DIAMETER: 0.875 INCHES NOMINAL IN
•
THREAD LENGTH: 0.215 INCHES NOMINAL IN
•
HEAD STYLE: FILLISTER EXTENDED WASHER
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.100 INCHES NOMINAL IN
POINT DIAMETER0.375 INCHES NOMINAL IN
HEAD HEIGHT0.350 INCHES NOMINAL IN
POINT LENGTH0.810 INCHES NOMINAL IN
FASTENER LENGTH1.250 INCHES NOMINAL IN
EXTENDED WASHER DIAMETER0.875 INCHES NOMINAL IN
THREAD LENGTH0.215 INCHES NOMINAL IN
HEAD STYLEFILLISTER EXTENDED WASHER
POINT STYLECHAMFER DOG
THREAD CLASS3A A
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 346154?
346154 is a OIL PUMP ASSEMBLY,ENGINE.
What is the NSN for 346154?
346154 is cataloged in the U.S. Government catalog under NSN 5305-00-310-9946. 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.