NSN 5310-01-476-5423 · NIIN 014765423 · Part number 4395B56H16
Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 04808
Government record, cited
NSN 5310-01-476-5423 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-476-5423. Manufacturer of record part number: 4395B56H16.
Also searched as5310-01-476-5423 ·
5310014765423 ·
NIIN 014765423 ·
01-476-5423 ·
FSC 5310 Nuts and Washers · CAGE 04808 · 4395B56H16 · 4D98243ITEM55 · 4D98243 · 4395B56
Manufacturer of record: Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd
Identification
NSN: 5310-01-476-5423
NIIN: 014765423
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 4395B56H16
Manufacturer: Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd
General Description
The Washer,lock, cataloged under National Stock Number 5310-01-476-5423, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Washer,lock
FSC / FSG
5310 — Nuts and Washers (FSG 53)
Manufacturers
Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd (CAGE 04808)
Technical Specifications
Parameter
Value
NSN
5310-01-476-5423
Primary Part Number
4395B56H16
Item Name
Washer,lock
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd
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
⇄Related Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5310-01-476-54274537B77H02POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd
5310-01-476-55884395B56H02POSSIBLE MATCH
WASHER,LOCK
Possible match (shared part number)Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd
5310-01-476-55954537B78H05POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd
5310-01-476-55984537B78H11POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd
5310-01-476-56004537B79H05POSSIBLE MATCH
WASHER,LOCK
Possible match (shared part number)Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd
5310-01-476-56084537B82H01POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd
Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd (USA)
Reference documents
Reference
Meaning
4D98243
D/9Drawing number reference only
Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd
4395B56
D/9Drawing number reference only
Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd
Related Parts
5310-01-476-5427POSSIBLE MATCH
WASHER,FLAT
4537B77H02
5310-01-476-5588POSSIBLE MATCH
WASHER,LOCK
4395B56H02
5310-01-476-5595POSSIBLE MATCH
WASHER,FLAT
4537B78H05
5310-01-476-5598POSSIBLE MATCH
WASHER,FLAT
4537B78H11
5310-01-476-5600POSSIBLE MATCH
WASHER,LOCK
4537B79H05
5310-01-476-5608POSSIBLE MATCH
WASHER,FLAT
4537B82H01
Frequently Asked Questions
What is NSN 5310-01-476-5423?
NSN 5310-01-476-5423 is a Washer,lock, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-476-5423?
NSN 5310-01-476-5423 has 2 manufacturer part numbers on file: 4D98243ITEM55 (Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd), 4395B56H16 (Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd).
What NSN replaces 5310-01-476-5423?
6 possible matches (shared part number, not a government interchangeability claim): 5310-01-476-5427, 5310-01-476-5588, 5310-01-476-5595. Verify interchangeability with system specifications before substitution.
Is NSN 5310-01-476-5423 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.