972990-1 — 972990-1

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

972990-1: 972990-1.

The 972990-1 is a the manufacturer industrial component. Key specifications include material: STEEL COMP E52100 OVERALL, bore_shape: STRAIGHT, flange_width: 0.0230 INCHES NOMINAL IN, bore_diameter: 0.1875 INCHES NOMINAL IN, overall_width: 0.1094 INCHES NOMINAL IN, load_direction: RADIAL. This part is cataloged in the U.S.

Government catalog under NSN 5998-01-072-2115, 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

MRO→ MRO_GENERAL→ 972990-1

NSN: 5998-01-072-2115
FSC: 5998 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware
CAGE: 03956 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)

SPECIFICATIONS

material	STEEL COMP E52100 OVERALL
bore_shape	STRAIGHT
flange_width	0.0230 INCHES NOMINAL IN
bore_diameter	0.1875 INCHES NOMINAL IN
overall_width	0.1094 INCHES NOMINAL IN
load_direction	RADIAL
surface_finish	GROUND
style_designator	NON-LOADING GROOVE, NON-SEPARABLE
internal_clearance	0.0002 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
lubrication_material	OIL
flange_outside_diameter	0.3590 INCHES NOMINAL IN
outer_ring_outside_diameter	0.3125 INCHES NOMINAL IN
NSN	5998-01-072-2115

COMPONENT DIAGRAM

SUBSTITUTES & CROSS-REFERENCES 2

792990-1Reference document

Same NSN cross-reference

Reference document — Secondary reference

795110 PIECE 73Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation + specific procedure

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FREQUENTLY ASKED QUESTIONS

What is 972990-1?

972990-1 is a 972990-1. It is classified as a MRO (MRO_GENERAL).

What parts can replace 972990-1?

There are 2 known substitutes for 972990-1: 792990-1, 795110 PIECE 73. Substitute compatibility should be verified for your specific system.

What is the NSN for 972990-1?

972990-1 is cataloged in the U.S. Government catalog under NSN 5998-01-072-2115. This indicates validated use in U.S. government and defense supply chains.

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