General Characteristics Item Description: CAST BRONZE; 18.187 IN. LG; USE WITH PART NO. 139B-45-172LH IN
Identification
NSN: 2040-01-293-7656
NIIN: 012937656
FSC: 2040 — Marine Hardware and Hull Items
FSG: 20 — Ship and Marine Equipment
General Description
The Check Assembly,door Guide, cataloged under National Stock Number 2040-01-293-7656, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2040-01-293-7656
Item Name
Check Assembly,door Guide
FSC / FSG
2040 / 20 — Marine Hardware and Hull Items
Status
ACTIVE
General Characteristics Item Description
CAST BRONZE; 18.187 IN. LG; USE WITH PART NO. 139B-45-172LH IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
139B-45-172RH
3/2Design control — primary reference
U.S. Government activity
No interchangeability data on file.
Other items in FSC 2040 — Marine Hardware and Hull Items
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2040-00-030-8331
LENS ASSEMBLY,PERIS
2040-00-349-6785
2040-00-349-6785 · Item name not on file
2040-00-361-3924
2040-00-361-3924 · Item name not on file
2040-00-368-5901
2040-00-368-5901 · Item name not on file
2040-00-385-8796
BOX,STUFFING
2040-00-385-9234
2040-00-385-9234 · Item name not on file
2040-00-391-4442
FAIRWATER
2040-00-393-3850
STRAINER,INTAKE
Frequently Asked Questions
What is NSN 2040-01-293-7656?
NSN 2040-01-293-7656 is a Check Assembly,door Guide, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
What are the specifications of 2040-01-293-7656?
Key specifications for 2040-01-293-7656: General Characteristics Item Description: CAST BRONZE; 18.187 IN. LG; USE WITH PART NO. 139B-45-172LH IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 2040-01-293-7656 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.