Clamp Hairspring6620-01-288-8248

NSN 6620-01-288-8248 · NIIN 012888248 · Part number AH4078B

Ametek, Inc. Div Aerospace & Defense · FSC 6620 — Engine Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 61349

Government record, cited

NSN 6620-01-288-8248 — this item is cataloged by the U.S. Government under National Stock Number 6620-01-288-8248. Manufacturer of record part number: AH4078B.

Also searched as 6620-01-288-8248 · 6620012888248 · NIIN 012888248 · 01-288-8248 · FSC 6620 Engine Instruments · CAGE 61349 · AH4078B

Nearby stock numbers ← 6620-01-288-8246 Frame, Mounting · 6620-01-288-8249 Ring, Lever Mounting →

Features

Clamp Hairspring — FSC 6620
1 manufacturer part number on file
Manufacturer of record: Ametek, Inc. Div Aerospace & Defense

Identification

NSN: 6620-01-288-8248
NIIN: 012888248
FSC: 6620 — Engine Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: AH4078B
Manufacturer: Ametek, Inc. Div Aerospace & Defense

General Description

The Clamp Hairspring, cataloged under National Stock Number 6620-01-288-8248, is classified within Federal Supply Class 6620 (Engine Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Ametek, Inc. Div Aerospace & Defense. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Clamp Hairspring
FSC / FSG	6620 — Engine Instruments (FSG 66)
Manufacturers	Ametek, Inc. Div Aerospace & Defense (CAGE 61349)

Technical Specifications

Parameter	Value
NSN	6620-01-288-8248
Primary Part Number	AH4078B
Item Name	Clamp Hairspring
FSC / FSG	6620 / 66 — Engine Instruments
Manufacturer	Ametek, Inc. Div Aerospace & Defense
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

Part Number	Manufacturer
AH4078B PRIMARY	Ametek, Inc. Div Aerospace & Defense (USA)

No interchangeability data on file.

Other items in FSC 6620 — Engine Instruments

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

6620-00-000-0124

6620-00-000-0124 · Item name not on file

6620-00-000-0548

6620-00-000-0548 · Item name not on file

6620-00-001-1398

STARTER AND SHAFT ASSEMBLY

6620-00-001-4552

6620-00-001-4552 · Item name not on file

6620-00-001-9331

6620-00-001-9331 · Item name not on file

6620-00-001-9332

6620-00-001-9332 · Item name not on file

6620-00-001-9333

6620-00-001-9333 · Item name not on file

6620-00-001-9334

6620-00-001-9334 · Item name not on file

Frequently Asked Questions

What is NSN 6620-01-288-8248?

NSN 6620-01-288-8248 is a Clamp Hairspring, manufactured by Ametek, Inc. Div Aerospace & Defense, classified under FSC 6620, Engine Instruments. Status: active.

What part numbers are listed for NSN 6620-01-288-8248?

NSN 6620-01-288-8248 has 1 manufacturer part number on file: AH4078B (Ametek, Inc. Div Aerospace & Defense).

Is NSN 6620-01-288-8248 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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