Cap, Filler Opening2930-01-538-3517

NSN 2930-01-538-3517 · NIIN 015383517 · Part number 187 120

Miller Electric Mfg. Llc · FSC 2930 — Engine Cooling System Components, Nonaircraft · FSG 29 — Engine Accessories · CAGE 3BH04

Government record, cited

NSN 2930-01-538-3517 — this item is cataloged by the U.S. Government under National Stock Number 2930-01-538-3517. Manufacturer of record part number: 187 120.

Also searched as 2930-01-538-3517 · 2930015383517 · NIIN 015383517 · 01-538-3517 · FSC 2930 Engine Cooling System Components, Nonaircraft · CAGE 3BH04 · 187 120

Nearby stock numbers ← 2930-01-538-2811 Water Outlet, Engine · 2930-01-538-3537 Radiator, Engine Coolant →

Features

Cap,filler Opening — FSC 2930
1 manufacturer part number on file
Manufacturer of record: Miller Electric Mfg. Llc

Identification

NSN: 2930-01-538-3517
NIIN: 015383517
FSC: 2930 — Engine Cooling System Components, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: 187 120
Manufacturer: Miller Electric Mfg. Llc

General Description

The Cap,filler Opening, cataloged under National Stock Number 2930-01-538-3517, is classified within Federal Supply Class 2930 (Engine Cooling System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Miller Electric Mfg. Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	2930-01-538-3517
Primary Part Number	187 120
Item Name	Cap,filler Opening
FSC / FSG	2930 / 29 — Engine Cooling System Components, Nonaircraft
Manufacturer	Miller Electric Mfg. Llc
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
187 120 PRIMARY	Miller Electric Mfg. Llc (USA)

Reference documents

Reference	Meaning
187 120	3/9 Design control — primary reference Miller Electric Mfg. Co.

Frequently Asked Questions

What is NSN 2930-01-538-3517?

NSN 2930-01-538-3517 is a Cap,filler Opening, manufactured by Miller Electric Mfg. Llc, classified under FSC 2930, Engine Cooling System Components, Nonaircraft. Status: active.

What part numbers are listed for NSN 2930-01-538-3517?

NSN 2930-01-538-3517 has 1 manufacturer part number on file: 187 120 (Miller Electric Mfg. Llc).

What are the specifications of 187 120?

Key specifications for 187 120: Special Features: EFF WITH LE115019; Part Name Assigned by Controlling Agency: CAP, RADIATOR PRESSURE 7 LB LBS; End Item Identification: NSN: 3431-01-246-2247. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2930-01-538-3517 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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