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2603389 — RETAINER ASSEMBLY,UPPER

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

2603389: RETAINER ASSEMBLY,UPPER.

The RETAINER ASSEMBLY,UPPER is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 8140-01-140-7055, 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
2603389
NSN: 8140-01-140-7055
FSC: 8140 — Ammunition and Nuclear Ordnance Boxes, Packages and Special Containers
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
general_characteristics_item_descriptionCONSISTS OF RETAINER SUBASSEMBLY 1,CUSHION RETAINER 1,HANDLE ASSEMBLY 1,WEDGE ASSEMBLY 2,BAR RETAINER 1,STOP ASSEMBLY 1,CATCH 2,RIVETS 4,PINS 3,SCREWS 4,WASHERS 4
NSN8140-01-140-7055
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RETAINER ASSEMBLY,UPPER TITLE COMPONENT PN 2603389 MFR RETAINER ASSEMBLY,UPPE
KEY FEATURES
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: CONSISTS OF RETAINER SUBASSEMBLY 1,CUSHION RETAINER 1,HANDLE ASSEMBLY 1,WEDGE ASSEMBLY 2,BAR RETAINER 1,STOP ASSEMBLY 1,CATCH 2,RIVETS 4,PINS 3,SCREWS 4,WASHERS 4
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCONSISTS OF RETAINER SUBASSEMBLY 1,CUSHION RETAINER 1,HANDLE ASSEMBLY 1,WEDGE ASSEMBLY 2,BAR RETAINER 1,STOP ASSEMBLY 1,CATCH 2,RIVETS 4,PINS 3,SCREWS 4,WASHERS 4
OTHER ITEMS IN FSC 8140 — Ammunition and Nuclear Ordnance Boxes, Packages and Special Containers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
8140-00-000-0065 8140-00-001-1270 8140-00-001-3692 8140-00-001-7869 8140-00-001-9248 8140-00-001-9249 8140-00-001-9250 8140-00-001-9251
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 2603389?
2603389 is a RETAINER ASSEMBLY,UPPER.
What is the NSN for 2603389?
2603389 is cataloged in the U.S. Government catalog under NSN 8140-01-140-7055. 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.