PartsTable TECHNICAL DATA SHEET

NSN 5310-01-428-5780Government record, cited

Washer, Concave5310-01-428-5780

NSN 5310-01-428-5780 · NIIN 014285780 · Part number 3141AS287-1

Hydraulics International, Inc. Dba Hydraulics International Inc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 56529

Government record, cited

NSN 5310-01-428-5780 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-428-5780. Manufacturer of record part number: 3141AS287-1.

Also searched as 5310-01-428-5780 · 5310014285780 · NIIN 014285780 · 01-428-5780 · FSC 5310 Nuts and Washers · CAGE 56529 · 3141AS287-1

Nearby stock numbers ← 5310-01-428-5765 · 5310-01-428-5781 Washer, Concave →

5310-01-428-5780 — Nuts and Washers

Features

Washer,concave — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Hydraulics International, Inc. Dba Hydraulics International Inc

Identification

NSN: 5310-01-428-5780
NIIN: 014285780
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 3141AS287-1
Manufacturer: Hydraulics International, Inc. Dba Hydraulics International Inc

General Description

The Washer,concave, cataloged under National Stock Number 5310-01-428-5780, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hydraulics International, Inc. Dba Hydraulics International Inc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5310-01-428-5780
Primary Part Number	3141AS287-1
Item Name	Washer,concave
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Hydraulics International, Inc. Dba Hydraulics International Inc
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
3141AS287-1 PRIMARY	Hydraulics International, Inc. Dba Hydraulics International Inc (USA)

Reference documents

Reference	Meaning
3141AS287-1	5/9 Secondary reference Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc
3141AS287-1	5/9 Secondary reference Meggitt Defense Systems, Inc. Dba Meggitt Western Design

No interchangeability data on file.

Other items in FSC 5310 — Nuts and Washers

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

5310-00-000-0040

5310-00-000-0040 · Item name not on file

5310-00-000-0077

NUT,PLAIN,ROUND

5310-00-000-0079

WASHER,FLAT

5310-00-000-0079

WASHER,FLAT

5310-00-000-1146

5310-00-000-1146 · Item name not on file

5310-00-000-3815

5310-00-000-3815 · Item name not on file

5310-00-000-4532

5310-00-000-4532 · Item name not on file

5310-00-000-4540

5310-00-000-4540 · Item name not on file

Frequently Asked Questions

What is NSN 5310-01-428-5780?

NSN 5310-01-428-5780 is a Washer,concave, manufactured by Hydraulics International, Inc. Dba Hydraulics International Inc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-428-5780?

NSN 5310-01-428-5780 has 1 manufacturer part number on file: 3141AS287-1 (Hydraulics International, Inc. Dba Hydraulics International Inc).

What are the specifications of 3141AS287-1?

Key specifications for 3141AS287-1: End Item Identification: PREPROVISIONING SUPPORT NAVICP IS POE. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-428-5780 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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