Gearbox Seal9999-01-690-5301

NSN 9999-01-690-5301 · NIIN 016905301 · Part number TL220685

Williams International Co., L.l.c. · FSC 9999 — Miscellaneous Items · FSG 99 — Miscellaneous · CAGE 24235

Government record, cited

NSN 9999-01-690-5301 — this item is cataloged by the U.S. Government under National Stock Number 9999-01-690-5301. Manufacturer of record part number: TL220685.

Also searched as 9999-01-690-5301 · 9999016905301 · NIIN 016905301 · 01-690-5301 · FSC 9999 Miscellaneous Items · CAGE 24235 · TL220685 · TL-220685

Nearby stock numbers ← 9999-01-690-5291 Dual Temp Sensor · 9999-01-690-5889 Puller Assembly →

Features

Gearbox Seal — FSC 9999
2 manufacturer part numbers on file
Manufacturer of record: Williams International Co., L.l.c.

Identification

NSN: 9999-01-690-5301
NIIN: 016905301
FSC: 9999 — Miscellaneous Items
FSG: 99 — Miscellaneous
Primary part number: TL220685
Manufacturer: Williams International Co., L.l.c.

General Description

The Gearbox Seal, cataloged under National Stock Number 9999-01-690-5301, is classified within Federal Supply Class 9999 (Miscellaneous Items) of the Miscellaneous group. The manufacturer of record is Williams International Co., L.l.c.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Gearbox Seal
FSC / FSG	9999 — Miscellaneous Items (FSG 99)
Manufacturers	Leonardo Spa Aeronautics Division - Venegono Superiore Site (CAGE A2142); Williams International Co., L.l.c. (CAGE 24235)

Technical Specifications

Parameter	Value
NSN	9999-01-690-5301
Primary Part Number	TL220685
Item Name	Gearbox Seal
FSC / FSG	9999 / 99 — Miscellaneous Items
Manufacturer	Williams International Co., L.l.c.
Status	ACTIVE

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

Part Number	Manufacturer
TL-220685	Leonardo Spa Aeronautics Division - Venegono Superiore Site (ITA)
TL220685 PRIMARY	Williams International Co., L.l.c. (USA)

No interchangeability data on file.

Other items in FSC 9999 — Miscellaneous Items

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

9999-00-007-0596

9999-00-007-0596 · Item name not on file

9999-00-010-0004

9999-00-010-0004 · Item name not on file

9999-00-010-1634

9999-00-010-1634 · Item name not on file

9999-00-010-1635

9999-00-010-1635 · Item name not on file

9999-00-010-1636

9999-00-010-1636 · Item name not on file

9999-00-010-2365

9999-00-010-2365 · Item name not on file

9999-00-010-2366

9999-00-010-2366 · Item name not on file

9999-00-010-3370

9999-00-010-3370 · Item name not on file

Frequently Asked Questions

What is NSN 9999-01-690-5301?

NSN 9999-01-690-5301 is a Gearbox Seal, manufactured by Williams International Co., L.l.c., classified under FSC 9999, Miscellaneous Items. Status: active.

What part numbers are listed for NSN 9999-01-690-5301?

NSN 9999-01-690-5301 has 2 manufacturer part numbers on file: TL-220685 (Leonardo Spa Aeronautics Division - Venegono Superiore Site), TL220685 (Williams International Co., L.l.c.).

Is NSN 9999-01-690-5301 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.

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