PartsTable
Technical Data Sheet
Download PDF

752056-1 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

752056-1: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC AND GLASS FIBER OVERALL, peripheral_diameter: 2.350 INCHES NOMINAL IN, center_hole_diameter: 1.750 INCHES NOMINAL IN, cross-sectional_height: 0.250 INCHES NOMINAL IN, cross-sectional_shape_style: OVAL. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-259-0722, 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
752056-1
NSN: 5330-01-259-0722
FSC: 5330 — Packing and Gasket Materials
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC AND GLASS FIBER OVERALL
peripheral_diameter2.350 INCHES NOMINAL IN
center_hole_diameter1.750 INCHES NOMINAL IN
cross-sectional_height0.250 INCHES NOMINAL IN
cross-sectional_shape_styleOVAL
NSN5330-01-259-0722
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 752056-1 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: 0.250 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: OVAL
•
PERIPHERAL DIAMETER: 2.350 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 1.750 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC AND GLASS FIBER OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.250 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEOVAL
PERIPHERAL DIAMETER2.350 INCHES NOMINAL IN
CENTER HOLE DIAMETER1.750 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC AND GLASS FIBER OVERALL
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 1
56A460-175Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedNo demilitarization required
Ready to buy 752056-1?
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 752056-1?
752056-1 is a PACKING,PREFORMED.
What parts can replace 752056-1?
There is 1 known substitute for 752056-1: 56A460-175. Substitute compatibility should be verified for your specific system.
What is the NSN for 752056-1?
752056-1 is cataloged in the U.S. Government catalog under NSN 5330-01-259-0722. 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 — 752056-1

✓ 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.