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21-00137-001 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

21-00137-001: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, overall_width: 3.820 INCHES NOMINAL IN, overall_length: 3.940 INCHES NOMINAL IN, special_features: ADHESIVE BACKING ON ONE SIDE,0.750 IN. CORNER BEVEL ALONG ONE WIDTH IN, aperture_diameter: 3.000 INCHES NOMINAL IN, cross-sectional_thickness: 0.125 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 5330-00-918-4948, 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
21-00137-001
NSN: 5330-00-918-4948
FSC: 5330 — Packing and Gasket Materials
CAGE: 00724 — RAYTHEON COMPANY (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
overall_width3.820 INCHES NOMINAL IN
overall_length3.940 INCHES NOMINAL IN
special_featuresADHESIVE BACKING ON ONE SIDE,0.750 IN. CORNER BEVEL ALONG ONE WIDTH IN
aperture_diameter3.000 INCHES NOMINAL IN
cross-sectional_thickness0.125 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-918-4948
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 21-00137-001 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: 0.125 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE DIAMETER: 3.000 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL IN
OVERALL LENGTH3.940 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH3.820 INCHES NOMINAL IN
APERTURE DIAMETER3.000 INCHES NOMINAL IN
SPECIAL FEATURESADHESIVE BACKING ON ONE SIDE,0.750 IN. CORNER BEVEL ALONG ONE WIDTH IN
MATERIALRUBBER SYNTHETIC 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 21-00137-001?
21-00137-001 is a GASKET.
What is the NSN for 21-00137-001?
21-00137-001 is cataloged in the U.S. Government catalog under NSN 5330-00-918-4948. 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.