NSN 5330-01-688-9423 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-688-9423. Manufacturer of record part number: 7520-040.
Also searched as5330-01-688-9423 ·
5330016889423 ·
NIIN 016889423 ·
01-688-9423 ·
FSC 5330 Packing and Gasket Materials · CAGE 23609 · 7520-040
Nearby stock numbers← 5330-01-688-9355 Gasket
·
5330-01-688-9499 Gasket Set →
5330-01-688-9423 — Packing and Gasket Materials
Features
Gasket — FSC 5330
Inside Corner Radius: 0.080 INCHES NOMINAL IN
Style Designator: NON-CIRCULAR
Aperture Width: 2.382 INCHES NOMINAL IN
Aperture Length: 1.456 INCHES NOMINAL IN
Outside Corner Radius: 0.195 INCHES NOMINAL IN
Material: PLASTIC URETHANE OVERALL
1 manufacturer part number on file
Identification
NSN: 5330-01-688-9423
NIIN: 016889423
FSC: 5330 — Packing and Gasket Materials
FSG: 53 — Hardware and Abrasives
Primary part number: 7520-040
Manufacturer: Ludlum Measurements Inc
General Description
The Gasket, cataloged under National Stock Number 5330-01-688-9423, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Ludlum Measurements Inc. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5330-01-688-9423
Primary Part Number
7520-040
Item Name
Gasket
FSC / FSG
5330 / 53 — Packing and Gasket Materials
Manufacturer
Ludlum Measurements Inc
Status
ACTIVE
Inside Corner Radius
0.080 INCHES NOMINAL IN
Style Designator
NON-CIRCULAR
Aperture Width
2.382 INCHES NOMINAL IN
Aperture Length
1.456 INCHES NOMINAL IN
Outside Corner Radius
0.195 INCHES NOMINAL IN
Material
PLASTIC URETHANE 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 5330-01-688-9423?
NSN 5330-01-688-9423 is a Gasket, manufactured by Ludlum Measurements Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
What part numbers are listed for NSN 5330-01-688-9423?
NSN 5330-01-688-9423 has 1 manufacturer part number on file: 7520-040 (Ludlum Measurements Inc).
What are the specifications of 7520-040?
Key specifications for 7520-040: Inside Corner Radius: 0.080 INCHES NOMINAL IN; Style Designator: NON-CIRCULAR; Overall Length: 1.686 INCHES NOMINAL IN; Overall Width: 2.612 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 5330-01-688-9423 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.