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A0NI2554 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A0NI2554: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 903 OVERALL, attachment_method: ROUND HOLE, center_hole_diameter: 1.674 INCHES MINIMUM AND 1.678 INCHES MAXIMUM IN, cross-sectional_height: 1.125 INCHES NOMINAL IN, attachment_hole_diameter: 0.312 INCHES NOMINAL IN, attachment_feature_circle_diameter: 2.875 INCHES NOMINAL SINGLE CIRCLE IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-204-4744, 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
A0NI2554
NSN: 5330-01-204-4744
FSC: 5330 — Packing and Gasket Materials
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialCOPPER ALLOY 903 OVERALL
attachment_methodROUND HOLE
center_hole_diameter1.674 INCHES MINIMUM AND 1.678 INCHES MAXIMUM IN
cross-sectional_height1.125 INCHES NOMINAL IN
attachment_hole_diameter0.312 INCHES NOMINAL IN
attachment_feature_quantity2
attachment_feature_circle_diameter2.875 INCHES NOMINAL SINGLE CIRCLE IN
material_document_and_classificationQQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-204-4744
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A0NI2554 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
ATTACHMENT HOLE DIAMETER: 0.312 INCHES NOMINAL IN
•
ATTACHMENT FEATURE QUANTITY: 2
•
CROSS-SECTIONAL HEIGHT: 1.125 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
ATTACHMENT FEATURE CIRCLE DIAMETER: 2.875 INCHES NOMINAL SINGLE CIRCLE IN
•
CENTER HOLE DIAMETER: 1.674 INCHES MINIMUM AND 1.678 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY 903 OVERALL
•
ATTACHMENT METHOD: ROUND HOLE
TECHNICAL CHARACTERISTICS
ATTACHMENT HOLE DIAMETER0.312 INCHES NOMINAL IN
ATTACHMENT FEATURE QUANTITY2
CROSS-SECTIONAL HEIGHT1.125 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
ATTACHMENT FEATURE CIRCLE DIAMETER2.875 INCHES NOMINAL SINGLE CIRCLE IN
CENTER HOLE DIAMETER1.674 INCHES MINIMUM AND 1.678 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY 903 OVERALL
ATTACHMENT METHODROUND HOLE
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 2
GCP381Reference document
Same NSN cross-reference
Reference document — Secondary reference
GCP320 PIECE 5Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 A0NI2554?
A0NI2554 is a RETAINER,PACKING.
What parts can replace A0NI2554?
There are 2 known substitutes for A0NI2554: GCP381, GCP320 PIECE 5. Substitute compatibility should be verified for your specific system.
What is the NSN for A0NI2554?
A0NI2554 is cataloged in the U.S. Government catalog under NSN 5330-01-204-4744. 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.