Cap, Filler Opening2930-01-598-6566

NSN 2930-01-598-6566 · NIIN 015986566 · Part number 0005015815

W. W. Williams Company, Llc, the · FSC 2930 — Engine Cooling System Components, Nonaircraft · FSG 29 — Engine Accessories · CAGE 1P7N7

Government record, cited

NSN 2930-01-598-6566 — this item is cataloged by the U.S. Government under National Stock Number 2930-01-598-6566. Manufacturer of record part number: 0005015815.

Also searched as 2930-01-598-6566 · 2930015986566 · NIIN 015986566 · 01-598-6566 · FSC 2930 Engine Cooling System Components, Nonaircraft · CAGE 1P7N7 · 0005015815 · FP3329

Nearby stock numbers ← 2930-01-598-6563 Core Assembly, Fluid Cooler · 2930-01-598-7442 Tank, Radiator, Overflow →

Features

Cap,filler Opening — FSC 2930
3 manufacturer part numbers on file
Manufacturer of record: W. W. Williams Company, Llc, the

Identification

NSN: 2930-01-598-6566
NIIN: 015986566
FSC: 2930 — Engine Cooling System Components, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: 0005015815
Manufacturer: W. W. Williams Company, Llc, the

General Description

The Cap,filler Opening, cataloged under National Stock Number 2930-01-598-6566, is classified within Federal Supply Class 2930 (Engine Cooling System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is W. W. Williams Company, Llc, the. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	2930-01-598-6566
Primary Part Number	0005015815
Item Name	Cap,filler Opening
FSC / FSG	2930 / 29 — Engine Cooling System Components, Nonaircraft
Manufacturer	W. W. Williams Company, Llc, the
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
0005015815 PRIMARY	W. W. Williams Company, Llc, the (USA)
FP3329	Critical Solutions International, Llc (USA)
0005015815 PRIMARY	The W.w. Williams Company, Llc (USA)

No interchangeability data on file.

Other items in FSC 2930 — Engine Cooling System Components, Nonaircraft

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

2930-00-000-3438

2930-00-000-3438 · Item name not on file

2930-00-001-3502

PARTS KIT,ENGINE WATER PUMP

2930-00-001-6288

2930-00-001-6288 · Item name not on file

2930-00-001-6299

PUMP,COOLING SYSTEM,ENGINE

2930-00-001-6300

PUMP,COOLING SYSTEM,ENGINE

2930-00-001-6301

PUMP,COOLING SYSTEM,ENGINE

2930-00-001-6302

CORE,RADIATOR

2930-00-001-7842

2930-00-001-7842 · Item name not on file

Frequently Asked Questions

What is NSN 2930-01-598-6566?

NSN 2930-01-598-6566 is a Cap,filler Opening, manufactured by W. W. Williams Company, Llc, the, classified under FSC 2930, Engine Cooling System Components, Nonaircraft. Status: active.

What part numbers are listed for NSN 2930-01-598-6566?

NSN 2930-01-598-6566 has 3 manufacturer part numbers on file: 0005015815 (W. W. Williams Company, Llc, the), FP3329 (Critical Solutions International, Llc), 0005015815 (The W.w. Williams Company, Llc).

What are the specifications of 0005015815?

Key specifications for 0005015815: End Item Identification: END ITEM 2355015602306. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2930-01-598-6566 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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