PartsTable TECHNICAL DATA SHEET

NSN 5310-01-212-0105Government record, cited

Nut, Sleeve5310-01-212-0105

NSN 5310-01-212-0105 · NIIN 012120105 · Part number D40550MDA

Hunt Valve Company, Inc. · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 11859

Government record, cited

NSN 5310-01-212-0105 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-212-0105. Manufacturer of record part number: D40550MDA.

Also searched as 5310-01-212-0105 · 5310012120105 · NIIN 012120105 · 01-212-0105 · FSC 5310 Nuts and Washers · CAGE 11859 · D40550MDA · D50193 ITEM 40 · D50193 ITEM 40

Nearby stock numbers ← 5310-01-212-0104 Nut, Self-Locking, Spline · 5310-01-212-0107 Washer, Key →

5310-01-212-0105 — Nuts and Washers

Features

Nut,sleeve — FSC 5310
2 manufacturer part numbers on file
Manufacturer of record: Hunt Valve Company, Inc.

Identification

NSN: 5310-01-212-0105
NIIN: 012120105
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: D40550MDA
Manufacturer: Hunt Valve Company, Inc.

General Description

The Nut,sleeve, cataloged under National Stock Number 5310-01-212-0105, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hunt Valve Company, Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Nut,sleeve
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Hunt Valve Company, Inc. (CAGE 11859)

Technical Specifications

Parameter	Value
NSN	5310-01-212-0105
Primary Part Number	D40550MDA
Item Name	Nut,sleeve
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Hunt Valve Company, 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
D40550MDA PRIMARY	Hunt Valve Company, Inc. (USA)
D50193 ITEM 40	Hunt Valve Company, Inc. (USA)

Reference documents

Reference	Meaning
D50193 ITEM 40	5/9 Secondary reference Hunt Valve Company Inc Dba Union Flonetics
D40550MDA	3/9 Design control — primary reference Hunt Valve Company Inc Dba Union Flonetics

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 5310-01-212-0105?

NSN 5310-01-212-0105 is a Nut,sleeve, manufactured by Hunt Valve Company, Inc., classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-212-0105?

NSN 5310-01-212-0105 has 2 manufacturer part numbers on file: D40550MDA (Hunt Valve Company, Inc.), D50193 ITEM 40 (Hunt Valve Company, Inc.).

Is NSN 5310-01-212-0105 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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