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11BLT76 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

11BLT76: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, peripheral_diameter: 3.938 INCHES NOMINAL IN, center_hole_diameter: 2.867 INCHES MINIMUM AND 2.871 INCHES MAXIMUM IN, cross-sectional_height: 0.344 INCHES NOMINAL IN, cross-sectional_thickness: 0.065 INCHES NOMINAL IN, cross-sectional_shape_style: FLANGE. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-291-1948, 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
11BLT76
NSN: 5330-00-291-1948
FSC: 5330 — Packing and Gasket Materials
CAGE: 76040 — MACK TRUCKS INC PARTS OPN (USA)
SPECIFICATIONS
materialSTEEL OVERALL
peripheral_diameter3.938 INCHES NOMINAL IN
center_hole_diameter2.867 INCHES MINIMUM AND 2.871 INCHES MAXIMUM IN
cross-sectional_height0.344 INCHES NOMINAL IN
cross-sectional_thickness0.065 INCHES NOMINAL IN
cross-sectional_shape_styleFLANGE
NSN5330-00-291-1948
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 11BLT76 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 THICKNESS: 0.065 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.344 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: FLANGE
•
PERIPHERAL DIAMETER: 3.938 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 2.867 INCHES MINIMUM AND 2.871 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.065 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.344 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEFLANGE
PERIPHERAL DIAMETER3.938 INCHES NOMINAL IN
CENTER HOLE DIAMETER2.867 INCHES MINIMUM AND 2.871 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
2068110Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
667362Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 11BLT76?
11BLT76 is a RETAINER,PACKING.
What parts can replace 11BLT76?
There are 2 known substitutes for 11BLT76: 2068110, 667362. Substitute compatibility should be verified for your specific system.
What is the NSN for 11BLT76?
11BLT76 is cataloged in the U.S. Government catalog under NSN 5330-00-291-1948. 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.