Setscrew5305-01-449-5770

NSN 5305-01-449-5770 · NIIN 014495770 · Part number AH277AB

Ametek, Inc. Div Aerospace & Defense · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 61349

Government record, cited

NSN 5305-01-449-5770 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-449-5770. Manufacturer of record part number: AH277AB.

Also searched as 5305-01-449-5770 · 5305014495770 · NIIN 014495770 · 01-449-5770 · FSC 5305 Screws · CAGE 61349 · AH277AB

Nearby stock numbers ← 5305-01-449-5434 Screw Assembly, Panel · 5305-01-449-5772 Screw, Machine →

5305-01-449-5770 — Screws

Features

Setscrew — FSC 5305
1 manufacturer part number on file
Manufacturer of record: Ametek, Inc. Div Aerospace & Defense

Identification

NSN: 5305-01-449-5770
NIIN: 014495770
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: AH277AB
Manufacturer: Ametek, Inc. Div Aerospace & Defense

General Description

The Setscrew, cataloged under National Stock Number 5305-01-449-5770, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives 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.

Technical Specifications

Parameter	Value
NSN	5305-01-449-5770
Primary Part Number	AH277AB
Item Name	Setscrew
FSC / FSG	5305 / 53 — Screws
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)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
AH277AB PRIMARY	Ametek, Inc. Div Aerospace & Defense (USA)

No interchangeability data on file.

Other items in FSC 5305 — Screws

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

5305-00-000-0094

SCREW,CLOSE TOLERANCE

5305-00-000-0094

SCREW,CLOSE TOLERANCE

5305-00-000-0094

SCREW,CLOSE TOLERANCE

5305-00-000-1397

5305-00-000-1397 · Item name not on file

5305-00-000-2625

5305-00-000-2625 · Item name not on file

5305-00-000-3669

5305-00-000-3669 · Item name not on file

5305-00-000-3830

5305-00-000-3830 · Item name not on file

5305-00-000-3831

5305-00-000-3831 · Item name not on file

Frequently Asked Questions

What is NSN 5305-01-449-5770?

NSN 5305-01-449-5770 is a Setscrew, manufactured by Ametek, Inc. Div Aerospace & Defense, classified under FSC 5305, Screws. Status: active.

What part numbers are listed for NSN 5305-01-449-5770?

NSN 5305-01-449-5770 has 1 manufacturer part number on file: AH277AB (Ametek, Inc. Div Aerospace & Defense).

What are the specifications of AH277AB?

Key specifications for AH277AB: End Item Identification: HELICOPTER AGUSTA A109. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-449-5770 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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