The Seal,plain, cataloged under National Stock Number 5330-00-988-0448, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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.
Technical Specifications
Parameter
Value
NSN
5330-00-988-0448
Item Name
Seal,plain
FSC / FSG
5330 / 53 — Packing and Gasket Materials
Status
ACTIVE
FSC Application Data
CONVERTER,NITROGEN
Seal Width
0.472 INCHES NOMINAL IN
Housing Bore Diameter
3.937 INCHES NOMINAL IN
Cross-Sectional Shape Style
SINGLE LIP
Accommodated Shaft Diameter
2.756 INCHES NOMINAL IN
Material
STEEL INTERNALLY MOLDED-IN REINFORCEMENT
Material
STEEL SPREADER
Construction
SOLID
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.
5360-01-016-2675400420POSSIBLE MATCH
SPRING
Possible match (shared part number)Telemechanics Inc
5998-01-197-9677400420POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
Possible match (shared part number)Dictaphone Corporation
2915-01-261-80604004-20POSSIBLE MATCH
BASE,OVERSPEED CONTROL
Possible match (shared part number)Woodward, Inc. Div Fuel Systems and Controls
5330-01-375-1913POSSIBLE MATCH
DISK,SOLID,PLAIN
Possible match (shared part number)
6530-01-536-3394400420POSSIBLE MATCH
PINCH VALVE SLEEVE
Possible match (shared part number)Steris Corporation Dba Steris Applied Sterilization Technololgies
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
A1N420
5/9Secondary reference
Brooks Automation, Inc. Div Cti Cryogenics
400420
3/9Design control — primary reference
Brooks Automation, Inc. Div Cti Cryogenics
Related Parts
5360-01-016-2675POSSIBLE MATCH
SPRING
400420
5998-01-197-9677POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
400420
2915-01-261-8060POSSIBLE MATCH
BASE,OVERSPEED CONTROL
4004-20
5330-01-375-1913POSSIBLE MATCH
DISK,SOLID,PLAIN
6530-01-536-3394POSSIBLE MATCH
PINCH VALVE SLEEVE
400420
Frequently Asked Questions
What is NSN 5330-00-988-0448?
NSN 5330-00-988-0448 is a Seal,plain, classified under FSC 5330, Packing and Gasket Materials. Status: active.
What NSN replaces 5330-00-988-0448?
5 possible matches (shared part number, not a government interchangeability claim): 5360-01-016-2675, 5998-01-197-9677, 2915-01-261-8060. Verify interchangeability with system specifications before substitution.
What are the specifications of 5330-00-988-0448?
Key specifications for 5330-00-988-0448: FSC Application Data: CONVERTER,NITROGEN; Seal Width: 0.472 INCHES NOMINAL IN; Housing Bore Diameter: 3.937 INCHES NOMINAL IN; Cross-Sectional Shape Style: SINGLE LIP. 8 specifications are documented in the U.S. Government catalog.
Is NSN 5330-00-988-0448 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.