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91276B — SEAL,SPECIAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

91276B: SEAL,SPECIAL.

The SEAL,SPECIAL is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: BRONZE,O/A DIA 1.750 IN.,THK OF FIRST RING 0.035 MIN 0.040 MAX IN.,THK OF SECOND RING 0.030 MIN 0.035 MAX IN. IN.

This part is cataloged in the U.S. Government catalog under NSN 5330-01-038-5256, 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
91276B
NSN: 5330-01-038-5256
FSC: 5330 — Packing and Gasket Materials
CAGE: 75370 — KAYDON RING & SEAL INC DBA SKF PRECISION TECHNOLOGIES (USA)
SPECIFICATIONS
general_characteristics_item_descriptionBRONZE,O/A DIA 1.750 IN.,THK OF FIRST RING 0.035 MIN 0.040 MAX IN.,THK OF SECOND RING 0.030 MIN 0.035 MAX IN. IN
NSN5330-01-038-5256
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 91276B 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
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: BRONZE,O/A DIA 1.750 IN.,THK OF FIRST RING 0.035 MIN 0.040 MAX IN.,THK OF SECOND RING 0.030 MIN 0.035 MAX IN. IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONBRONZE,O/A DIA 1.750 IN.,THK OF FIRST RING 0.035 MIN 0.040 MAX IN.,THK OF SECOND RING 0.030 MIN 0.035 MAX IN. IN
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
3197308Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
3197308-1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 91276B?
91276B is a SEAL,SPECIAL.
What parts can replace 91276B?
There are 2 known substitutes for 91276B: 3197308, 3197308-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 91276B?
91276B is cataloged in the U.S. Government catalog under NSN 5330-01-038-5256. This indicates validated use in U.S. government and defense supply chains.
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