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H1790 — GEAR AND SHAFT ASSEMBLY,HELICAL

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

H1790: GEAR AND SHAFT ASSEMBLY,HELICAL.

GEAR AND SHAFT ASSEMBLY,HELICAL. Key specifications include material: STEEL CORROSION RESISTING, end_item_identification: PUMP,ROPER PUMP COMPANY,MODEL 27064. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-013-3537, 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
H1790
NSN: 5310-01-013-3537
NIINs: 010133537, 011539699, 013965088
FSC: 5310 — Nuts and Washers
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
end_item_identificationPUMP,ROPER PUMP COMPANY,MODEL 27064
NSN5310-01-013-3537
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: H1790 · 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
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is H1790?
H1790 is a GEAR AND SHAFT ASSEMBLY,HELICAL.
What is the NSN for H1790?
H1790 is cataloged in the U.S. Government catalog under NSN 5310-01-013-3537. 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.