Extension Spring, Ai4920-01-563-0872

NSN 4920-01-563-0872 · NIIN 015630872 · Part number 94135K34

Mcmaster-Carr Supply Co · FSC 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment · FSG 49 — Maintenance and Repair Shop Equipment · CAGE 07BY4

Government record, cited

NSN 4920-01-563-0872 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-563-0872. Manufacturer of record part number: 94135K34.

Also searched as 4920-01-563-0872 · 4920015630872 · NIIN 015630872 · 01-563-0872 · FSC 4920 Aircraft Maintenance and Repair Shop Specialized Equipment · CAGE 07BY4 · 94135K34

Nearby stock numbers ← 4920-01-563-0871 · 4920-01-563-0873 Plunger, Spring, Airc →

Features

Extension Spring,ai — FSC 4920
1 manufacturer part number on file
Manufacturer of record: Mcmaster-Carr Supply Co

Identification

NSN: 4920-01-563-0872
NIIN: 015630872
FSC: 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment
FSG: 49 — Maintenance and Repair Shop Equipment
Primary part number: 94135K34
Manufacturer: Mcmaster-Carr Supply Co

General Description

The Extension Spring,ai, cataloged under National Stock Number 4920-01-563-0872, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Mcmaster-Carr Supply Co. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Extension Spring,ai
FSC / FSG	4920 — Aircraft Maintenance and Repair Shop Specialized Equipment (FSG 49)
Manufacturers	Mcmaster-Carr Supply Co (CAGE 07BY4)

Technical Specifications

Parameter	Value
NSN	4920-01-563-0872
Primary Part Number	94135K34
Item Name	Extension Spring,ai
FSC / FSG	4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment
Manufacturer	Mcmaster-Carr Supply Co
Status	ACTIVE

Lifecycle & Compliance

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

⇄ Related Items 1

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

5360-01-689-51424015008 POSSIBLE MATCH

SPRING,HELICAL,EXTENSION

Possible match (shared part number)Schutt Industries of Clintonville, Wis., Inc. Div Schutt Industries of Clintonville, Wi Inc.

Cross-Reference Index

Part Number	Manufacturer
94135K34 PRIMARY	Mcmaster-Carr Supply Co (USA)

Related Parts

5360-01-689-5142POSSIBLE MATCH

SPRING,HELICAL,EXTENSION

4015008

Frequently Asked Questions

What is NSN 4920-01-563-0872?

NSN 4920-01-563-0872 is a Extension Spring,ai, manufactured by Mcmaster-Carr Supply Co, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.

What part numbers are listed for NSN 4920-01-563-0872?

NSN 4920-01-563-0872 has 1 manufacturer part number on file: 94135K34 (Mcmaster-Carr Supply Co).

What NSN replaces 4920-01-563-0872?

1 possible match (shared part number, not a government interchangeability claim): 5360-01-689-5142. Verify interchangeability with system specifications before substitution.

Is NSN 4920-01-563-0872 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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