PartsTable
Technical Data Sheet
Download PDF

803-1385721-8-3 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

803-1385721-8-3: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 922 OVERALL, peripheral_diameter: 3.386 INCHES MINIMUM AND 3.396 INCHES MAXIMUM IN, center_hole_diameter: 2.995 INCHES MINIMUM AND 3.005 INCHES MAXIMUM IN, cross-sectional_height: 0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN, material_document_and_classification: ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-113-9891, 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
803-1385721-8-3
NSN: 5330-01-113-9891
NIINs: 011139891, 012695158
FSC: 5330 — Packing and Gasket Materials
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialCOPPER ALLOY 922 OVERALL
peripheral_diameter3.386 INCHES MINIMUM AND 3.396 INCHES MAXIMUM IN
center_hole_diameter2.995 INCHES MINIMUM AND 3.005 INCHES MAXIMUM IN
cross-sectional_height0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
material_document_and_classificationASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-113-9891
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 803-1385721-8-3 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
•
CROSS-SECTIONAL HEIGHT: 0.090 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR
•
PERIPHERAL DIAMETER: 3.391 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 3.000 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY 922 OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.090 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
PERIPHERAL DIAMETER3.391 INCHES NOMINAL IN
CENTER HOLE DIAMETER3.000 INCHES NOMINAL IN
MATERIALCOPPER ALLOY 922 OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy 803-1385721-8-3?
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 803-1385721-8-3?
803-1385721-8-3 is a RETAINER,PACKING.
What is the NSN for 803-1385721-8-3?
803-1385721-8-3 is cataloged in the U.S. Government catalog under NSN 5330-01-113-9891. 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 — 803-1385721-8-3

✓ 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.