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328991 — 328991

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

328991: 328991.

The 328991 is a the manufacturer industrial component. Key specifications include material: LEAD AND STEEL, inside_diameter: 6.000 INCHES NOMINAL IN, part_name_assigned_by_controlling_agency: SHIELD RADIAC DETECTOR WITH STAND. This part is cataloged in the U.S.

Government catalog under NSN 5365-00-706-2897, 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
328991
NSN: 5365-00-706-2897
NIINs: 007062897, 016203228
FSC: 5365 — Bushings, Rings, Shims, and Spacers
CAGE: 03956 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialLEAD AND STEEL
inside_diameter6.000 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencySHIELD RADIAC DETECTOR WITH STAND
NSN5365-00-706-2897
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 328991 TITLE COMPONENT PN 328991 MFR 328991
KEY FEATURES
•
STYLE DESIGNATOR: CIRCULAR
•
OUTSIDE DIAMETER: 0.265 INCHES NOMINAL IN
•
APERTURE DIAMETER: 0.191 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM
•
CONSTRUCTION: ONE-PIECE
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORCIRCULAR
OUTSIDE DIAMETER0.265 INCHES NOMINAL IN
APERTURE DIAMETER0.191 INCHES NOMINAL IN
MATERIALALUMINUM
CONSTRUCTIONONE-PIECE
SUBSTITUTES & CROSS-REFERENCES 1
328991-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 328991?
328991 is a 328991.
What parts can replace 328991?
There is 1 known substitute for 328991: 328991-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 328991?
328991 is cataloged in the U.S. Government catalog under NSN 5365-00-706-2897. 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.