PartsTable
Technical Data Sheet
Download PDF

BB9756 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

BB9756: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, peripheral_diameter: 0.925 INCHES MINIMUM AND 0.928 INCHES MAXIMUM IN, center_hole_diameter: 0.575 INCHES MINIMUM AND 0.576 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN, cross-sectional_shape_style: SPECIAL. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-202-2827, 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
BB9756
NSN: 5330-00-202-2827
FSC: 5330 — Packing and Gasket Materials
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
peripheral_diameter0.925 INCHES MINIMUM AND 0.928 INCHES MAXIMUM IN
center_hole_diameter0.575 INCHES MINIMUM AND 0.576 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
cross-sectional_shape_styleSPECIAL
NSN5330-00-202-2827
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: BB9756 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: 0.135 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: SPECIAL
•
PERIPHERAL DIAMETER: 0.925 INCHES MINIMUM AND 0.928 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 0.575 INCHES MINIMUM AND 0.576 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESPECIAL
PERIPHERAL DIAMETER0.925 INCHES MINIMUM AND 0.928 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.575 INCHES MINIMUM AND 0.576 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 6
2185108Reference document
Same NSN cross-reference
Reference document — Secondary reference
418684Reference document
Same NSN cross-reference
Reference document — Secondary reference
139099Reference document
Same NSN cross-reference
Reference document — Secondary reference
GTB59S6Reference document
Same NSN cross-reference
Reference document — Secondary reference
L12S4Reference document
Same NSN cross-reference
Reference document — Secondary reference
GTB5956Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
Ready to buy BB9756?
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 BB9756?
BB9756 is a RETAINER,PACKING.
What parts can replace BB9756?
There are 6 known substitutes for BB9756: 2185108, 418684, 139099 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BB9756?
BB9756 is cataloged in the U.S. Government catalog under NSN 5330-00-202-2827. 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 — BB9756

✓ 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.