D1B — GASKET,SPIRAL WOUND
✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW
D1B: GASKET,SPIRAL WOUND.
The GASKET,SPIRAL WOUND is a the manufacturer industrial component. Key specifications include material: ASBESTOS AND STEEL CORROSION RESISTING OVERALL, outside_diameter: 1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN, style_designator: DIAMOND ROUND, aperture_diameter: 0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN, cross-sectional_thickness: 0.175 INCHES NOMINAL0.175 INCHES NOMINAL IN, cross-sectional_shape_style: METAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER. This part is cataloged in the U.S.
Government catalog under NSN 5330-00-944-5555, 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
D1B
NSN: 5330-00-944-5555 FSC: 5330 — Packing and Gasket MaterialsCAGE: 43791 — NICHOLSON STEAM TRAP INC (USA)
SPECIFICATIONS
material ASBESTOS AND STEEL CORROSION RESISTING OVERALL outside_diameter 1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN style_designator DIAMOND ROUND aperture_diameter 0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN cross-sectional_thickness 0.175 INCHES NOMINAL0.175 INCHES NOMINAL IN cross-sectional_shape_style METAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER NSN 5330-00-944-5555
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION
ID: —
CROSS-SECTION
CS: —
SPECIFICATION
Material: —
Durometer: —
Temp: —
PN: D1B
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: 0.175 INCHES NOMINAL0.175 INCHES NOMINAL IN
• STYLE DESIGNATOR: DIAMOND ROUND
• CROSS-SECTIONAL SHAPE STYLE: METAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER
• OUTSIDE DIAMETER: 1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN
• APERTURE DIAMETER: 0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN
• MATERIAL: ASBESTOS AND STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS 0.175 INCHES NOMINAL0.175 INCHES NOMINAL IN STYLE DESIGNATOR DIAMOND ROUND CROSS-SECTIONAL SHAPE STYLE METAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER OUTSIDE DIAMETER 1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN APERTURE DIAMETER 0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN MATERIAL ASBESTOS AND STEEL CORROSION RESISTING OVERALL
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
SUBSTITUTES & CROSS-REFERENCES 1
4290-00018 Reference document Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN status Active · U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM) No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is D1B?
D1B is a GASKET,SPIRAL WOUND.
What parts can replace D1B?
There is 1 known substitute for D1B: 4290-00018. Substitute compatibility should be verified for your specific system.
What is the NSN for D1B?
D1B is cataloged in the U.S. Government catalog under NSN 5330-00-944-5555. This indicates validated use in U.S. government and defense supply chains.