NSN 2940-01-689-3303 · NIIN 016893303 · Part number SS-502-B
Gross Mechanical Laboratories Inc · FSC 2940 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft · FSG 29 — Engine Accessories · CAGE 72922
Government record, cited
NSN 2940-01-689-3303 — this item is cataloged by the U.S. Government under National Stock Number 2940-01-689-3303. Manufacturer of record part number: SS-502-B.
Also searched as2940-01-689-3303 ·
2940016893303 ·
NIIN 016893303 ·
01-689-3303 ·
FSC 2940 Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft · CAGE 72922 · SS-502-B
Nearby stock numbers← 2940-01-689-3214 Air Cleaner, Intake
·
2940-01-689-3568 Parts Kit, Air Filter →
Features
Head,sediment Strainer — FSC 2940
1 manufacturer part number on file
Manufacturer of record: Gross Mechanical Laboratories Inc
Identification
NSN: 2940-01-689-3303
NIIN: 016893303
FSC: 2940 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: SS-502-B
Manufacturer: Gross Mechanical Laboratories Inc
General Description
The Head,sediment Strainer, cataloged under National Stock Number 2940-01-689-3303, is classified within Federal Supply Class 2940 (Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Gross Mechanical Laboratories Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Catalog Facts
Item Name
Head,sediment Strainer
FSC / FSG
2940 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft (FSG 29)
Manufacturers
Gross Mechanical Laboratories Inc (CAGE 72922)
Technical Specifications
Parameter
Value
NSN
2940-01-689-3303
Primary Part Number
SS-502-B
Item Name
Head,sediment Strainer
FSC / FSG
2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft
Other items in FSC 2940 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2940-00-238-5551
FILTER ELEMENT,INTAKE AIR CLEANE
2940-00-238-5551
FILTER ELEMENT,INTAKE AIR CLEANE
2940-00-238-5551
FILTER ELEMENT,INTAKE AIR CLEANE
2940-00-354-6471
STRAINER OIL
2940-00-356-0884
FILTER ELEMENT,FLUID
2940-00-445-0685
FILTER ELEMENT,INTAKE AIR CLEANE
2940-00-445-0685
FILTER ELEMENT,INTAKE AIR CLEANE
2940-00-445-0685
FILTER ELEMENT,INTAKE AIR CLEANE
Frequently Asked Questions
What is NSN 2940-01-689-3303?
NSN 2940-01-689-3303 is a Head,sediment Strainer, manufactured by Gross Mechanical Laboratories Inc, classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
What part numbers are listed for NSN 2940-01-689-3303?
NSN 2940-01-689-3303 has 1 manufacturer part number on file: SS-502-B (Gross Mechanical Laboratories Inc).
Is NSN 2940-01-689-3303 hazardous material?
No hazard code in the DLA record (HMIC N). 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.