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NMCSB8000UGM420 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

NMCSB8000UGM420: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 63.5 MILLIMETERS NOMINAL MM, material: STEEL COMP 303 INSERT, corner_radius: 1.3 MILLIMETERS NOMINAL MM, flange_diameter: 31.7 MILLIMETERS NOMINAL MM, flange_thickness: 2.8 MILLIMETERS NOMINAL MM, style_designator: FLANGED. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-591-3868, 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
NMCSB8000UGM420
NSN: 5340-01-591-3868
FSC: 5340 — Hardware, Commercial
CAGE: 03296 — NMC GROUP, INC. (USA)
SPECIFICATIONS
length63.5 MILLIMETERS NOMINAL MM
materialSTEEL COMP 303 INSERT
corner_radius1.3 MILLIMETERS NOMINAL MM
flange_diameter31.7 MILLIMETERS NOMINAL MM
flange_thickness2.8 MILLIMETERS NOMINAL MM
style_designatorFLANGED
surface_treatmentCADMIUM INSERT
cross-sectional_shapeROUND
material_document_and_classificationASTM A582 ASSN STD SINGLE MATERIAL RESPONSE INSERT
surface_treatment_document_and_classificationQQ-P-416, TYPE II, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE INSERT
NSN5340-01-591-3868
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NMCSB8000UGM420 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
•
FLANGE DIAMETER: 31.7 MILLIMETERS NOMINAL MM
•
CORNER RADIUS: 1.3 MILLIMETERS NOMINAL MM
•
LENGTH: 63.5 MILLIMETERS NOMINAL MM
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416, TYPE II, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE INSERT
•
FLANGE THICKNESS: 2.8 MILLIMETERS NOMINAL MM
•
STYLE DESIGNATOR: FLANGED
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE INSERT
•
CROSS-SECTIONAL SHAPE: ROUND
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER31.7 MILLIMETERS NOMINAL MM
CORNER RADIUS1.3 MILLIMETERS NOMINAL MM
LENGTH63.5 MILLIMETERS NOMINAL MM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416, TYPE II, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE INSERT
FLANGE THICKNESS2.8 MILLIMETERS NOMINAL MM
STYLE DESIGNATORFLANGED
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE INSERT
CROSS-SECTIONAL SHAPEROUND
SURFACE TREATMENTCADMIUM INSERT
MATERIALSTEEL COMP 303 INSERT
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is NMCSB8000UGM420?
NMCSB8000UGM420 is a STANDOFF,THREADED,SPACING.
What is the NSN for NMCSB8000UGM420?
NMCSB8000UGM420 is cataloged in the U.S. Government catalog under NSN 5340-01-591-3868. 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.