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37706-4191 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

37706-4191: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, outside_diameter: 3.875 INCHES NOMINAL IN, features_provided: ROHS DIRECTIVE COMPLIANCE, bolt_hole_diameter: 0.625 INCHES NOMINAL IN, bolt_circle_diameter: 2.750 INCHES NOMINAL IN, center_hole_diameter: 1.063 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-729-2728, 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
37706-4191
NSN: 5330-01-729-2728
FSC: 5330 — Packing and Gasket Materials
CAGE: 73680 — GARLOCK SEALING TECHNOLOGIES LLC DBA GARLOCK SEALING TECHNOLOGIES LLC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
outside_diameter3.875 INCHES NOMINAL IN
features_providedROHS DIRECTIVE COMPLIANCE
bolt_hole_diameter0.625 INCHES NOMINAL IN
bolt_hole_quantity4
bolt_circle_diameter2.750 INCHES NOMINAL IN
center_hole_diameter1.063 INCHES NOMINAL IN
end_item_identificationIN2200008
cross-sectional_thickness0.063 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyFULL FACE GASKET
NSN5330-01-729-2728
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 37706-4191 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: 0.063 INCHES NOMINAL IN
•
BOLT HOLE DIAMETER: 0.625 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 3.875 INCHES NOMINAL IN
•
FEATURES PROVIDED: ROHS DIRECTIVE COMPLIANCE
•
BOLT HOLE QUANTITY: 4
•
BOLT CIRCLE DIAMETER: 2.750 INCHES NOMINAL IN
•
COLOR: BLUE
•
CENTER HOLE DIAMETER: 1.063 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.063 INCHES NOMINAL IN
BOLT HOLE DIAMETER0.625 INCHES NOMINAL IN
OUTSIDE DIAMETER3.875 INCHES NOMINAL IN
FEATURES PROVIDEDROHS DIRECTIVE COMPLIANCE
BOLT HOLE QUANTITY4
BOLT CIRCLE DIAMETER2.750 INCHES NOMINAL IN
COLORBLUE
CENTER HOLE DIAMETER1.063 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYFULL FACE GASKET
END ITEM IDENTIFICATIONIN2200008
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

No substitute or cross-reference records for this part.

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 37706-4191?
37706-4191 is a GASKET.
What is the NSN for 37706-4191?
37706-4191 is cataloged in the U.S. Government catalog under NSN 5330-01-729-2728. 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.