NSN 1680-01-335-7512 — this item is cataloged by the U.S. Government under National Stock Number 1680-01-335-7512. Manufacturer of record part number: HM020-013-21.
Also searched as1680-01-335-7512 ·
1680013357512 ·
NIIN 013357512 ·
01-335-7512 ·
FSC 1680 Miscellaneous Aircraft Accessories and Components · CAGE 1T765 · HM020-013-21
General Characteristics Item Description: FLEXIBLE; W/ROUND OPENING AT TOP
1 manufacturer part number on file
Manufacturer of record: Robertson Fuel Systems, L.l.c.
Identification
NSN: 1680-01-335-7512
NIIN: 013357512
FSC: 1680 — Miscellaneous Aircraft Accessories and Components
FSG: 16 — Aircraft Components and Accessories
Primary part number: HM020-013-21
Manufacturer: Robertson Fuel Systems, L.l.c.
General Description
The Bladder,tank,aircraft Fuel, cataloged under National Stock Number 1680-01-335-7512, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Robertson Fuel Systems, L.l.c.. 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
1680-01-335-7512
Primary Part Number
HM020-013-21
Item Name
Bladder,tank,aircraft Fuel
FSC / FSG
1680 / 16 — Miscellaneous Aircraft Accessories and Components
Other items in FSC 1680 — Miscellaneous Aircraft Accessories and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1680-00-001-1736
DUCT ASSEMBLY,BRANCHED
1680-00-003-3721
1680-00-003-3721 · Item name not on file
1680-00-009-3782
PISTON,EJECTOR,INNER
1680-00-009-6180
1680-00-009-6180 · Item name not on file
1680-00-475-0002
TIP,RUBBER CONTROL
1680-00-696-6170
ADAPTER,SCREW END A
1680-00-867-7158
COVER,GEARCASE
1680-00-885-0923
KNOB ASSY,LANDING G
Frequently Asked Questions
What is NSN 1680-01-335-7512?
NSN 1680-01-335-7512 is a Bladder,tank,aircraft Fuel, manufactured by Robertson Fuel Systems, L.l.c., classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
What part numbers are listed for NSN 1680-01-335-7512?
NSN 1680-01-335-7512 has 1 manufacturer part number on file: HM020-013-21 (Robertson Fuel Systems, L.l.c.).
What are the specifications of HM020-013-21?
Key specifications for HM020-013-21: General Characteristics Item Description: FLEXIBLE; W/ROUND OPENING AT TOP. 1 specification is documented in the U.S. Government catalog.
Is NSN 1680-01-335-7512 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.