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R-4901 — RING,APAPTER,SHIPBOARD STEERING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

R-4901: RING,APAPTER,SHIPBOARD STEERING.

RING,APAPTER,SHIPBOARD STEERING. Key specifications include end_item_identification: HARDING WHEEL PUMP TYPE H28. This part is cataloged in the U.S.

Government catalog under NSN 4320-01-339-8316, 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
R-4901
NSN: 4320-01-339-8316
FSC: 4320 — Power and Hand Pumps
CAGE: 16236 — DLA LAND AND MARITIME DBA ENGINEERING AND TECHNICAL SUPPORT DIV DOCUMENT STANDARDIZATION DIVISION (VENDOR ITEM DRAWINGS) (USA)
SPECIFICATIONS
end_item_identificationHARDING WHEEL PUMP TYPE H28
NSN4320-01-339-8316
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,APAPTER,SHIPBOARD STEERING TITLE COMPONENT PN R-4901 MFR RING,APAPTER,SHIPBOARD
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONHARDING WHEEL PUMP TYPE H28
OTHER ITEMS IN FSC 4320 — Power and Hand Pumps
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4320-00-001-1633 4320-00-001-2628 4320-00-001-2629 4320-00-001-2630 4320-00-001-2631 4320-00-001-2632 4320-00-001-3377 4320-00-001-3384
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 R-4901?
R-4901 is a RING,APAPTER,SHIPBOARD STEERING.
What is the NSN for R-4901?
R-4901 is cataloged in the U.S. Government catalog under NSN 4320-01-339-8316. 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.