The Seal,nonmetallic Round Section, cataloged under National Stock Number 5330-01-722-2758, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Seal,nonmetallic Round Section
FSC / FSG
5330 — Packing and Gasket Materials (FSG 53)
Technical Specifications
Parameter
Value
NSN
5330-01-722-2758
Item Name
Seal,nonmetallic Round Section
FSC / FSG
5330 / 53 — Packing and Gasket Materials
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
⇄Related Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5999-01-733-2578249-002-21-CPOSSIBLE MATCH
SHIELDING GASKET,ELECTRONIC
Possible match (shared part number)Glenair, Inc.
5999-01-733-263877-12-3811-09600POSSIBLE MATCH
SHIELDING GASKET,ELECTRONIC
Possible match (shared part number)Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division
5999-01-733-265577-12-3173-09600POSSIBLE MATCH
SHIELDING GASKET,ELECTRONIC
Possible match (shared part number)Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
21222562
3/2Design control — primary reference
U.S. Government activity
21222364/REV F/PG 2/FIND NO 13
C/1Advisory reference — outside the item-of-supply concept
U.S. Government activity
21222364 REV F FIND NO 13
C/1Advisory reference — outside the item-of-supply concept
U.S. Government activity
21222VAC001
D/9Drawing number reference only
U.S. Government activity
Related Parts
5999-01-733-2578POSSIBLE MATCH
SHIELDING GASKET,ELECTRONIC
249-002-21-C
5999-01-733-2638POSSIBLE MATCH
SHIELDING GASKET,ELECTRONIC
77-12-3811-09600
5999-01-733-2655POSSIBLE MATCH
SHIELDING GASKET,ELECTRONIC
77-12-3173-09600
Frequently Asked Questions
What is NSN 5330-01-722-2758?
NSN 5330-01-722-2758 is a Seal,nonmetallic Round Section, classified under FSC 5330, Packing and Gasket Materials. Status: active.
What NSN replaces 5330-01-722-2758?
3 possible matches (shared part number, not a government interchangeability claim): 5999-01-733-2578, 5999-01-733-2638, 5999-01-733-2655. Verify interchangeability with system specifications before substitution.
Is NSN 5330-01-722-2758 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.