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BUWEPSDWG2123979 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

BUWEPSDWG2123979: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: COTTON OVERALL, hole_diameter: 0.188 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 4.500 INCHES NOMINAL IN, aperture_width: 3.500 INCHES NOMINAL IN, overall_length: 4.500 INCHES NOMINAL IN, aperture_length: 3.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-735-6802, 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
BUWEPSDWG2123979
NSN: 5330-00-735-6802
FSC: 5330 — Packing and Gasket Materials
CAGE: 44114 — BAE SYSTEMS LAND & ARMAMENTS L.P. (USA)
SPECIFICATIONS
materialCOTTON OVERALL
hole_diameter0.188 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width4.500 INCHES NOMINAL IN
aperture_width3.500 INCHES NOMINAL IN
overall_length4.500 INCHES NOMINAL IN
aperture_length3.500 INCHES NOMINAL IN
inside_corner_radius0.125 INCHES NOMINAL IN
outside_corner_radius0.250 INCHES NOMINAL IN
cross-sectional_thickness0.023 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
cross-sectional_shape_styleCLOTH AND SYNTHETIC RUBBER, NONMETALLIC MATERIAL
outside_edge_to_bolt_hole_center_distance_along_width0.250 INCHES NOMINAL IN
outside_edge_to_bolt_hole_center_distance_along_length0.250 INCHES NOMINAL IN
NSN5330-00-735-6802
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: BUWEPSDWG2123979 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: 0.023 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
•
INSIDE CORNER RADIUS: 0.125 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: CLOTH AND SYNTHETIC RUBBER, NONMETALLIC MATERIAL
•
APERTURE WIDTH: 3.500 INCHES NOMINAL IN
•
APERTURE LENGTH: 3.500 INCHES NOMINAL IN
•
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.023 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
INSIDE CORNER RADIUS0.125 INCHES NOMINAL IN
OVERALL LENGTH4.500 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLECLOTH AND SYNTHETIC RUBBER, NONMETALLIC MATERIAL
OVERALL WIDTH4.500 INCHES NOMINAL IN
APERTURE WIDTH3.500 INCHES NOMINAL IN
APERTURE LENGTH3.500 INCHES NOMINAL IN
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH0.250 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS0.250 INCHES NOMINAL IN
MATERIALCOTTON 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
2123979Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BUWEPSDWG2123979?
BUWEPSDWG2123979 is a GASKET.
What parts can replace BUWEPSDWG2123979?
There is 1 known substitute for BUWEPSDWG2123979: 2123979. Substitute compatibility should be verified for your specific system.
What is the NSN for BUWEPSDWG2123979?
BUWEPSDWG2123979 is cataloged in the U.S. Government catalog under NSN 5330-00-735-6802. 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.