PartsTable
Technical Data Sheet
Download PDF

551490 — MAINTENANCE KIT,ROTARY PUMP

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

551490: MAINTENANCE KIT,ROTARY PUMP.

The MAINTENANCE KIT,ROTARY PUMP is a the manufacturer industrial component. Key specifications include end_item_identification: ENGINE,DIESEL. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-331-9231, 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
551490
NSN: 5315-01-331-9231
NIINs: 013319231, 016169756
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 95975 — ULVEN MACHINERY CO, INC (USA)
SPECIFICATIONS
end_item_identificationENGINE,DIESEL
NSN5315-01-331-9231
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 551490 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATION2330-01-303-8832 M1000 CHETTL TRAILER
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy 551490?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 551490?
551490 is a MAINTENANCE KIT,ROTARY PUMP.
What is the NSN for 551490?
551490 is cataloged in the U.S. Government catalog under NSN 5315-01-331-9231. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 551490

✓ 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.