Washer, Lock5310-01-533-3818

NSN 5310-01-533-3818 · NIIN 015333818 · Part number HMM11-2A-001-12IN PC 10

Velan Valve Corp. · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 57574

Government record, cited

NSN 5310-01-533-3818 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-533-3818. Manufacturer of record part number: HMM11-2A-001-12IN PC 10.

Also searched as 5310-01-533-3818 · 5310015333818 · NIIN 015333818 · 01-533-3818 · FSC 5310 Nuts and Washers · CAGE 57574 · HMM11-2A-001-12IN PC 10

Nearby stock numbers ← 5310-01-533-3780 Washer, Lock · 5310-01-533-3834 Nut, Plain, Hexagon →

5310-01-533-3818 — Nuts and Washers

Features

Washer,lock — FSC 5310
Material: STEEL CORROSION RESISTING OVERALL
1 manufacturer part number on file
Manufacturer of record: Velan Valve Corp.

Identification

NSN: 5310-01-533-3818
NIIN: 015333818
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: HMM11-2A-001-12IN PC 10
Manufacturer: Velan Valve Corp.

General Description

The Washer,lock, cataloged under National Stock Number 5310-01-533-3818, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Velan Valve Corp.. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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	5310-01-533-3818
Primary Part Number	HMM11-2A-001-12IN PC 10
Item Name	Washer,lock
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Velan Valve Corp.
Status	ACTIVE
Material	STEEL CORROSION RESISTING OVERALL

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
HMM11-2A-001-12IN PC 10 PRIMARY	Velan Valve Corp. (USA)

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 5310-01-533-3818?

NSN 5310-01-533-3818 is a Washer,lock, manufactured by Velan Valve Corp., classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-533-3818?

NSN 5310-01-533-3818 has 1 manufacturer part number on file: HMM11-2A-001-12IN PC 10 (Velan Valve Corp.).

What are the specifications of HMM11-2A-001-12IN PC 10?

Key specifications for HMM11-2A-001-12IN PC 10: Part Name Assigned by Controlling Agency: NAVY SPECIAL PROJECT; End Item Identification: FULL FACE WAFER CHECK VALVES; Material: STEEL CORROSION RESISTING OVERALL. 1 specification is documented in the U.S. Government catalog.

Is NSN 5310-01-533-3818 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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