The Gasket, cataloged under National Stock Number 5330-01-721-4408, 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and Gasket Materials) of the Hardware and Abrasives group. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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
Gasket
FSC / FSG
5330 — Packing and Gasket Materials (FSG 53)
Technical Specifications
Parameter
Value
NSN
5330-01-721-4408
Item Name
Gasket
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 Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3020-01-721-4465116479POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)Jered Llc
5330-01-721-497221222623POSSIBLE MATCH
GASKET
Possible match (shared part number)Jered Llc
5331-01-721-5656N1470 2-281POSSIBLE MATCH
O-RING
Possible match (shared part number)Parker-Hannifin Corp Div O-Ring Division
5330-01-723-520921222388POSSIBLE MATCH
RING,WIPER
Possible match (shared part number)Jered Llc
5331-01-724-162176-7512POSSIBLE MATCH
O-RING
Possible match (shared part number)Garlock Sealing Technologies Llc Div Garlock Sealing Technologies
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
21222621
3/2Design control — primary reference
U.S. Government activity
SDRL VAC DWG 21222365 SQ NO A036
C/1Advisory reference — outside the item-of-supply concept
U.S. Government activity
21222365 REV G FIND NO 36
C/1Advisory reference — outside the item-of-supply concept
U.S. Government activity
21222365
D/9Drawing number reference only
U.S. Government activity
Related Parts
3020-01-721-4465POSSIBLE MATCH
GEAR,SPUR
116479
5330-01-721-4972POSSIBLE MATCH
GASKET
21222623
5331-01-721-5656POSSIBLE MATCH
O-RING
N1470 2-281
5330-01-723-5209POSSIBLE MATCH
RING,WIPER
21222388
5331-01-724-1621POSSIBLE MATCH
O-RING
76-7512
Frequently Asked Questions
What is NSN 5330-01-721-4408?
NSN 5330-01-721-4408 is a Gasket, classified under FSC 5330, Packing and Gasket Materials. Status: active.
What NSN replaces 5330-01-721-4408?
5 possible matches (shared part number, not a government interchangeability claim): 3020-01-721-4465, 5330-01-721-4972, 5331-01-721-5656. Verify interchangeability with system specifications before substitution.
Is NSN 5330-01-721-4408 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.