121B290 — INSULATOR,DISK

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

121B290: INSULATOR,DISK.

The INSULATOR,DISK is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, overall_height: 0.184 INCHES NOMINAL IN, outside_diameter: 0.810 INCHES NOMINAL IN, style_designator: DRILLED, FLAT, first_hole_spacing: 0.280 INCHES NOMINAL IN, first_hole_diameter: 0.238 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5970-01-092-1573, 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

121B290

NSN: 5970-01-092-1573
FSC: 5970 — Electrical Insulators and Insulating Materials
CAGE: 97942 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)

SPECIFICATIONS

material	PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
overall_height	0.184 INCHES NOMINAL IN
outside_diameter	0.810 INCHES NOMINAL IN
style_designator	DRILLED, FLAT
first_hole_spacing	0.280 INCHES NOMINAL IN
first_hole_diameter	0.238 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
second_hole_spacing	0.560 INCHES NOMINAL IN
second_hole_diameter	0.084 INCHES MINIMUM AND 0.089 INCHES MAXIMUM IN
material_document_and_classification	MIL-P-19468, GROUP B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN	5970-01-092-1573

COMPONENT DIAGRAM

KEY FEATURES

•

FIRST HOLE DIAMETER: 0.238 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN

•

STYLE DESIGNATOR: DRILLED, FLAT

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-P-19468, GROUP B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL

•

OUTSIDE DIAMETER: 0.810 INCHES NOMINAL IN

•

SECOND HOLE SPACING: 0.560 INCHES NOMINAL IN

•

SECOND HOLE DIAMETER: 0.084 INCHES MINIMUM AND 0.089 INCHES MAXIMUM IN

•

FIRST HOLE SPACING: 0.280 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	0.184 INCHES NOMINAL IN
FIRST HOLE DIAMETER	0.238 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
STYLE DESIGNATOR	DRILLED, FLAT
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-P-19468, GROUP B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER	0.810 INCHES NOMINAL IN
SECOND HOLE SPACING	0.560 INCHES NOMINAL IN
SECOND HOLE DIAMETER	0.084 INCHES MINIMUM AND 0.089 INCHES MAXIMUM IN
FIRST HOLE SPACING	0.280 INCHES NOMINAL IN
MATERIAL	PLASTIC POLYTETRAFLUOROETHYLENE OVERALL

OTHER ITEMS IN FSC 5970 — Electrical Insulators and Insulating Materials

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5970-00-001-1330 5970-00-001-1357 5970-00-001-1418 5970-00-001-1420 5970-00-001-1472 5970-00-001-1476 5970-00-001-1477 5970-00-001-1479

SUBSTITUTES & CROSS-REFERENCES 1

121B290H01Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 121B290?

121B290 is a INSULATOR,DISK.

What parts can replace 121B290?

There is 1 known substitute for 121B290: 121B290H01. Substitute compatibility should be verified for your specific system.

What is the NSN for 121B290?

121B290 is cataloged in the U.S. Government catalog under NSN 5970-01-092-1573. This indicates validated use in U.S. government and defense supply chains.

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121B290 — INSULATOR,DISK

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