Cross-Sectional Thickness: 0.125 INCHES NOMINAL IN
Maximum Pressure Rating: 150.0 POUNDS PER SQUARE INCH (PSI) LBS
Style Designator: CIRCULAR
Material Document and Classification: HH-P-151 CL 2 FED SPEC 1ST MATERIAL RESPONSE OR HH-P-151 CL 3 FED SPEC 2ND MATERIAL RESPONSE OR HH-P-151 CL 4 FED SPEC 3RD MATERIAL RESPONSE OVERALL
Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION
Outside Diameter: 6.125 INCHES NOMINAL IN
Aperture Diameter: 2.710 INCHES NOMINAL IN
Identification
NSN: 5330-01-285-8904
NIIN: 012858904
FSC: 5330 — Packing and Gasket Materials
FSG: 53 — Hardware and Abrasives
General Description
The Gasket, cataloged under National Stock Number 5330-01-285-8904, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 10 items share a part number with this NSN in the catalog (possible match — not a government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
5330-01-285-8904
Item Name
Gasket
FSC / FSG
5330 / 53 — Packing and Gasket Materials
Status
ACTIVE
Cross-Sectional Thickness
0.125 INCHES NOMINAL IN
Maximum Pressure Rating
150.0 POUNDS PER SQUARE INCH (PSI) LBS
Style Designator
CIRCULAR
Material Document and Classification
HH-P-151 CL 2 FED SPEC 1ST MATERIAL RESPONSE OR HH-P-151 CL 3 FED SPEC 2ND MATERIAL RESPONSE OR HH-P-151 CL 4 FED SPEC 3RD MATERIAL RESPONSE OVERALL
Cross-Sectional Shape Style
SOLID SINGLE OR COMPOSITION
Outside Diameter
6.125 INCHES NOMINAL IN
Aperture Diameter
2.710 INCHES NOMINAL IN
Specification/standard Data
81349-MIL-F-20042 GOVERNMENT SPECIFICATION
Nondefinitive Spec/std Data
IPS2-1/2 SERIES AND PLAIN FLANGE STYLE
Bolt Hole Quantity
6
Bolt Circle Diameter
5.000 INCHES NOMINAL IN
Material
RUBBER CHLOROPRENE CLASS CR AND COTTON OR RUBBER BUTADIENE-STYRENE CLASS SBR AND COTTON OR RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND COTTON OVERALL
Hole Diameter
0.562 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
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 Items10
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5330-01-286-6103POSSIBLE MATCH
GASKET
Possible match (shared part number)
5330-01-312-766900737 SHAPE 47, STYLE 164POSSIBLE MATCH
GASKET
Possible match (shared part number)Defense Logistics Agency Dba Defense Supply Center Philadelphia
5330-01-313-3579POSSIBLE MATCH
GASKET
Possible match (shared part number)
5330-01-313-3580POSSIBLE MATCH
GASKET
Possible match (shared part number)
5330-01-313-3581GASKET 3/8 INCH IPS 150 PSI 1/8POSSIBLE MATCH
GASKET
Possible match (shared part number)Naval Ship Systems Command
5330-01-313-3583GASKET 2 1/2 IPS 150 PSI 1/8 THKPOSSIBLE MATCH
GASKET
Possible match (shared part number)Naval Ship Systems Command
5330-01-313-3584GASKET 3 IPS 150 PSI 1/8 THKPOSSIBLE MATCH
GASKET
Possible match (shared part number)Naval Ship Systems Command
5330-01-313-3984POSSIBLE MATCH
GASKET
Possible match (shared part number)
5330-01-313-3985GASKET 1 IPS 150 PSI 1/8 THKPOSSIBLE MATCH
GASKET
Possible match (shared part number)Naval Ship Systems Command
5330-01-313-3986POSSIBLE MATCH
GASKET
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
GASKET 2-1/2IPS 150PSI 1/8THK
3/1Design control — primary reference
U.S. Government activity
MIL-PRF-20042
4/1Identification reference
U.S. Government activity
MIL-F-20042 CL 150
5/9Secondary reference
U.S. Government activity
Related Parts
5330-01-286-6103POSSIBLE MATCH
GASKET
5330-01-312-7669POSSIBLE MATCH
GASKET
00737 SHAPE 47, STYLE 164
5330-01-313-3579POSSIBLE MATCH
GASKET
5330-01-313-3580POSSIBLE MATCH
GASKET
5330-01-313-3581POSSIBLE MATCH
GASKET
GASKET 3/8 INCH IPS 150 PSI 1/8
5330-01-313-3583POSSIBLE MATCH
GASKET
GASKET 2 1/2 IPS 150 PSI 1/8 THK
5330-01-313-3584POSSIBLE MATCH
GASKET
GASKET 3 IPS 150 PSI 1/8 THK
5330-01-313-3984POSSIBLE MATCH
GASKET
5330-01-313-3985POSSIBLE MATCH
GASKET
GASKET 1 IPS 150 PSI 1/8 THK
5330-01-313-3986POSSIBLE MATCH
GASKET
Frequently Asked Questions
What is NSN 5330-01-285-8904?
NSN 5330-01-285-8904 is a Gasket, classified under FSC 5330, Packing and Gasket Materials. Status: active.
What NSN replaces 5330-01-285-8904?
10 possible matches (shared part number, not a government interchangeability claim): 5330-01-286-6103, 5330-01-312-7669, 5330-01-313-3579. Verify interchangeability with system specifications before substitution.
What are the specifications of 5330-01-285-8904?
Key specifications for 5330-01-285-8904: Cross-Sectional Thickness: 0.125 INCHES NOMINAL IN; Maximum Pressure Rating: 150.0 POUNDS PER SQUARE INCH (PSI) LBS; Style Designator: CIRCULAR; Material Document and Classification: HH-P-151 CL 2 FED SPEC 1ST MATERIAL RESPONSE OR HH-P-151 CL 3 FED SPEC 2ND MATERIAL RESPONSE OR HH-P-151 CL 4 FED SPEC 3RD MATERIAL RESPONSE OVERALL. 13 specifications are documented in the U.S. Government catalog.
Is NSN 5330-01-285-8904 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.