FSC 5330 — Packing and Gasket Materials · FSG 53 — Hardware and Abrasives
Government record, cited
Also searched as5330-01-240-6576 ·
5330012406576 ·
NIIN 012406576 ·
01-240-6576 ·
FSC 5330 Packing and Gasket Materials · 820-6015895-200-1 · 820-6015895
Nearby stock numbers← 5330-01-240-6423 Gasket
·
5330-01-240-6577 Pressure Seal Ring →
5330-01-240-6576 — Packing and Gasket Materials
Features
Pressure Seal Ring — FSC 5330
General Characteristics Item Description: ITEM IS MADE OF CARBON STEEL
Criticality Code Justification: ZZZY
Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVIYT HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Identification
NSN: 5330-01-240-6576
NIIN: 012406576
FSC: 5330 — Packing and Gasket Materials
FSG: 53 — Hardware and Abrasives
General Description
The Pressure Seal Ring, cataloged under National Stock Number 5330-01-240-6576, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government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
5330-01-240-6576
Item Name
Pressure Seal Ring
FSC / FSG
5330 / 53 — Packing and Gasket Materials
Status
ACTIVE
General Characteristics Item Description
ITEM IS MADE OF CARBON STEEL
Criticality Code Justification
ZZZY
Reference Number Differentiating Characteristics
MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVIYT HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
Y
⇄Related Items9
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5330-01-240-6577POSSIBLE MATCH
PRESSURE SEAL RING
Possible match (shared part number)
5330-01-241-6037POSSIBLE MATCH
SEAL RING,METAL
Possible match (shared part number)
5330-01-242-8934POSSIBLE MATCH
PRESSURE SEAL RING
Possible match (shared part number)
5330-01-251-1988POSSIBLE MATCH
RETAINER,PACKING
Possible match (shared part number)
5330-01-251-4743POSSIBLE MATCH
RETAINER,PACKING
Possible match (shared part number)
5330-01-255-3383POSSIBLE MATCH
RETAINER,PACKING
Possible match (shared part number)
5330-01-255-7673POSSIBLE MATCH
RETAINER,PACKING
Possible match (shared part number)
5330-01-257-8052POSSIBLE MATCH
SEAL RING,METAL
Possible match (shared part number)
5330-01-505-4638POSSIBLE MATCH
RETAINER,PACKING
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
820-6015895-200-1
3/1Design control — primary reference
Naval Sea Systems Command
820-6015895
5/1Secondary reference
Naval Sea Systems Command
Related Parts
5330-01-240-6577POSSIBLE MATCH
PRESSURE SEAL RING
5330-01-241-6037POSSIBLE MATCH
SEAL RING,METAL
5330-01-242-8934POSSIBLE MATCH
PRESSURE SEAL RING
5330-01-251-1988POSSIBLE MATCH
RETAINER,PACKING
5330-01-251-4743POSSIBLE MATCH
RETAINER,PACKING
5330-01-255-3383POSSIBLE MATCH
RETAINER,PACKING
5330-01-255-7673POSSIBLE MATCH
RETAINER,PACKING
5330-01-257-8052POSSIBLE MATCH
SEAL RING,METAL
5330-01-505-4638POSSIBLE MATCH
RETAINER,PACKING
Frequently Asked Questions
What is NSN 5330-01-240-6576?
NSN 5330-01-240-6576 is a Pressure Seal Ring, classified under FSC 5330, Packing and Gasket Materials. Status: active.
What NSN replaces 5330-01-240-6576?
9 possible matches (shared part number, not a government interchangeability claim): 5330-01-240-6577, 5330-01-241-6037, 5330-01-242-8934. Verify interchangeability with system specifications before substitution.
What are the specifications of 5330-01-240-6576?
Key specifications for 5330-01-240-6576: General Characteristics Item Description: ITEM IS MADE OF CARBON STEEL; Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVIYT HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS. 3 specifications are documented in the U.S. Government catalog.
Is NSN 5330-01-240-6576 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.