NSN 1420-01-302-8680 · NIIN 013028680 · Part number 1657AS0547-1
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier · FSC 1420 — Guided Missile Components · FSG 14 — Guided Missiles · CAGE 30003
Government record, cited
NSN 1420-01-302-8680 — this item is cataloged by the U.S. Government under National Stock Number 1420-01-302-8680. Manufacturer of record part number: 1657AS0547-1.
General Characteristics Item Description: EXERCISE SECTION,HARPOON,GRAY C/O A MODIFIED VERSION OF 642AS0427 ACCESS COVER 9.94 IN. LG,39.71 IN. W,0.19 IN. H,WT. 12.00 LBS,PACKAGED BEST COMMERCIAL PACK LBS
1 manufacturer part number on file
Manufacturer of record: Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
Identification
NSN: 1420-01-302-8680
NIIN: 013028680
FSC: 1420 — Guided Missile Components
FSG: 14 — Guided Missiles
Primary part number: 1657AS0547-1
Manufacturer: Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
General Description
The Cover,hatch, cataloged under National Stock Number 1420-01-302-8680, is classified within Federal Supply Class 1420 (Guided Missile Components) of the Guided Missiles group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 1 specification, 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
1420-01-302-8680
Primary Part Number
1657AS0547-1
Item Name
Cover,hatch
FSC / FSG
1420 / 14 — Guided Missile Components
Manufacturer
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
Status
ACTIVE
General Characteristics Item Description
EXERCISE SECTION,HARPOON,GRAY C/O A MODIFIED VERSION OF 642AS0427 ACCESS COVER 9.94 IN. LG,39.71 IN. W,0.19 IN. H,WT. 12.00 LBS,PACKAGED BEST COMMERCIAL PACK LBS
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
No interchangeability data on file.
Other items in FSC 1420 — Guided Missile Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1420-00-001-1306
1420-00-001-1306 · Item name not on file
1420-00-001-1308
1420-00-001-1308 · Item name not on file
1420-00-001-1309
1420-00-001-1309 · Item name not on file
1420-00-001-3693
1420-00-001-3693 · Item name not on file
1420-00-001-4003
1420-00-001-4003 · Item name not on file
1420-00-001-4004
1420-00-001-4004 · Item name not on file
1420-00-001-6948
1420-00-001-6948 · Item name not on file
1420-00-003-0174
1420-00-003-0174 · Item name not on file
Frequently Asked Questions
What is NSN 1420-01-302-8680?
NSN 1420-01-302-8680 is a Cover,hatch, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 1420, Guided Missile Components. Status: active.
What part numbers are listed for NSN 1420-01-302-8680?
NSN 1420-01-302-8680 has 1 manufacturer part number on file: 1657AS0547-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
What are the specifications of 1657AS0547-1?
Key specifications for 1657AS0547-1: General Characteristics Item Description: EXERCISE SECTION,HARPOON,GRAY C/O A MODIFIED VERSION OF 642AS0427 ACCESS COVER 9.94 IN. LG,39.71 IN. W,0.19 IN. H,WT. 12.00 LBS,PACKAGED BEST COMMERCIAL PACK LBS. 1 specification is documented in the U.S. Government catalog.
Is NSN 1420-01-302-8680 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.
What is the DEMIL code for NSN 1420-01-302-8680?
NSN 1420-01-302-8680 has DEMIL Code P. Demilitarization may be required before disposal or transfer to non-military entities.
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.