NSN 5330-01-018-5427 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-018-5427. Manufacturer of record part number: D256-1.
Also searched as5330-01-018-5427 ·
5330010185427 ·
NIIN 010185427 ·
01-018-5427 ·
FSC 5330 Packing and Gasket Materials · CAGE 27195 · D256-1 · 11552-029
The Gasket, cataloged under National Stock Number 5330-01-018-5427, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Actronics Incorporated Dba Actronics Inc. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5330-01-018-5427
Primary Part Number
D256-1
Item Name
Gasket
FSC / FSG
5330 / 53 — Packing and Gasket Materials
Manufacturer
Actronics Incorporated Dba Actronics Inc
Status
ACTIVE
Cross-Sectional Thickness
0.030 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN
Hardness Rating
500.0 BRINELL STANDARD NOMINAL OVERALL
Style Designator
CIRCULAR
Material Document and Classification
AMS 4117 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape Style
RECTANGULAR METAL
Outside Diameter
1.240 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
Aperture Diameter
1.003 INCHES MINIMUM AND 1.013 INCHES MAXIMUM IN
Material
ALUMINUM ALLOY 6061 OVERALL
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Other items in FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085
RETAINER
5330-00-000-0167
PARTS KIT,SEAL REPLACEMENT,MECHA
5330-00-000-5275
5330-00-000-5275 · Item name not on file
5330-00-001-1260
SEAL,NONMETALLIC SPECIAL SHAPED
5330-00-001-1833
SEAL,PLAIN ENCASED
5330-00-001-1844
GLAND,RESERVOIR,INDICATOR END
5330-00-001-1845
5330-00-001-1845 · Item name not on file
5330-00-001-1846
5330-00-001-1846 · Item name not on file
Frequently Asked Questions
What is NSN 5330-01-018-5427?
NSN 5330-01-018-5427 is a Gasket, manufactured by Actronics Incorporated Dba Actronics Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
What part numbers are listed for NSN 5330-01-018-5427?
NSN 5330-01-018-5427 has 2 manufacturer part numbers on file: D256-1 (Actronics Incorporated Dba Actronics Inc), 11552-029 (Ametek Thermal Systems Inc).
What are the specifications of D256-1?
Key specifications for D256-1: Cross-Sectional Thickness: 0.030 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN; Hardness Rating: 500.0 BRINELL STANDARD NOMINAL OVERALL; Style Designator: CIRCULAR; Material Document and Classification: AMS 4117 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 8 specifications are documented in the U.S. Government catalog.
Is NSN 5330-01-018-5427 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.