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0391-00-038 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

0391-00-038: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include outside_diameter: 25.000 INCHES NOMINAL IN, special_features: FOUR 0.875 IN. DIA MTG HOLES ON 22.875 IN.

DIA BOLT CIRCLE IN, bolt_hole_quantity: 10, bolt_circle_diameter: 22.625 INCHES MINIMUM AND 23.125 INCHES MAXIMUM IN. This part is cataloged in the U.S. Government catalog under NSN 5330-01-016-9350, 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
0391-00-038
NSN: 5330-01-016-9350
FSC: 5330 — Packing and Gasket Materials
CAGE: 28718 — THE HILLIARD CORP (USA)
SPECIFICATIONS
outside_diameter25.000 INCHES NOMINAL IN
special_featuresFOUR 0.875 IN. DIA MTG HOLES ON 22.875 IN. DIA BOLT CIRCLE IN
bolt_hole_quantity10
bolt_circle_diameter22.625 INCHES MINIMUM AND 23.125 INCHES MAXIMUM IN
NSN5330-01-016-9350
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 0391-00-038 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
•
OUTSIDE DIAMETER: 25.000 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 10
•
BOLT CIRCLE DIAMETER: 22.625 INCHES MINIMUM AND 23.125 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER25.000 INCHES NOMINAL IN
BOLT HOLE QUANTITY10
BOLT CIRCLE DIAMETER22.625 INCHES MINIMUM AND 23.125 INCHES MAXIMUM IN
SPECIAL FEATURESFOUR 0.875 IN. DIA MTG HOLES ON 22.875 IN. DIA BOLT CIRCLE 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
FB3090-23Reference document
Same NSN cross-reference
Reference document — Secondary reference
391-00-038Reference 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 0391-00-038?
0391-00-038 is a GASKET.
What parts can replace 0391-00-038?
There are 2 known substitutes for 0391-00-038: FB3090-23, 391-00-038. Substitute compatibility should be verified for your specific system.
What is the NSN for 0391-00-038?
0391-00-038 is cataloged in the U.S. Government catalog under NSN 5330-01-016-9350. 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.